Comments for Hans on IoT https://blogs.mathworks.com/iot Hans Scharler is an Internet of Things pioneer. He writes about IoT and ThingSpeak IoT platform features. Thu, 17 Dec 2020 02:19:49 +0000 hourly 1 https://wordpress.org/?v=6.2.2 Comment on Predictive Maintenance: From Development to IoT Deployment by INNOCENT OCITI https://blogs.mathworks.com/iot/2019/05/06/predictive-maintenance-from-development-to-iot-deployment/#comment-218256 Sun, 29 Sep 2019 01:22:32 +0000 https://blogs.mathworks.com/iot/?p=2601#comment-218256 Am trying to do a research on development of a a reliability centered maintenance based early warning system. This has been of great help.

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Comment on Introducing ThingSpeak Gauges! by Mats Martinsson https://blogs.mathworks.com/iot/2018/06/27/introducing-thingspeak-gauges/#comment-215634 Mon, 05 Aug 2019 17:55:28 +0000 https://blogs.mathworks.com/iot/?p=2448#comment-215634 For some time I’ve been using the Google plugin gauge to visualise water consumption in a summerhouse area, on a public website. As there is a shortage of water, this has helped to keep the usage down. After a small modification of the gauge it suddenly stopped working and I realised that public view was not longer supported. As a replacement I tried to use the newly developed widget gauge. Unfortunately this is much wider than the plugin with a large amount of empty space around it. Because of this it did not fit in the widget area of my WordPress homepage, where the plugin had just the right size. If I may wish something for the future it would be to delete the unused area around the gauge to make it fit in a narrower space.

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Comment on Introducing ThingSpeak Gauges! by Mats Martinsson https://blogs.mathworks.com/iot/2018/06/27/introducing-thingspeak-gauges/#comment-215584 Sun, 04 Aug 2019 10:18:46 +0000 https://blogs.mathworks.com/iot/?p=2448#comment-215584 Hi
I am trying to embed the Google Gauge widget in a WordPress widget using iframe. For some reason the gauge seems to be too wide for the WordPress widget area, resulting in that only the left half of the gauge is visible. Changing width and height parameters do not help. Is there some way to generate a gauge widget with “less space” around the actual gauge?
Thanks
Mats

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Comment on Updates to the MATLAB Analysis App with Lots of Example Code by Hans Scharler https://blogs.mathworks.com/iot/2015/09/09/updates-to-the-matlab-analysis-app-with-lots-of-example-code/#comment-210308 Tue, 09 Apr 2019 17:34:43 +0000 https://blogs.mathworks.com/iot/?p=1497#comment-210308 You are correct. ThingSpeak does adjust its embedded plots to the viewer’s timezone. The MATLAB Plots do not. They use UTC as the default, but as you pointed out, the timezone can be adjusted. Thanks.

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Comment on Updates to the MATLAB Analysis App with Lots of Example Code by Claude Andrew https://blogs.mathworks.com/iot/2015/09/09/updates-to-the-matlab-analysis-app-with-lots-of-example-code/#comment-210306 Tue, 09 Apr 2019 17:29:15 +0000 https://blogs.mathworks.com/iot/?p=1497#comment-210306 I am using a MATLAB Visualization and what I’ve found is the exact opposite of what you say in this post for thingSpeakRead. The data is returned in UTC time but with no TimeZone in the datetime. If I make no adjustment to the TimeZone then the MATLAB Visualization plots the data with UTC time while the ThingSpeak charts of the same data on the same page *are* adjusted to my account’s timezone. To adjust to my local time I have to first set the TimeZone to ‘Etc/UTC’ and then set to my local timezone thus:
times.TimeZone=’Etc/UTC’;
times.TimeZone=’America/Los_Angeles’;

Perhaps things have moved on since you wrote this article but, if I haven’t made some mistake in my understanding, it might be worth updating.

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Comment on Official ThingSpeak Library for Arduino and Particle by Hans Scharler https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-209776 Sun, 17 Feb 2019 21:25:57 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-209776 In reply to Skipper.

I will look into it. Let me know if you try it.

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Comment on Official ThingSpeak Library for Arduino and Particle by Skipper https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-209774 Sun, 17 Feb 2019 21:22:33 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-209774 Hi.
Is ThingSpeak also compatible with the new “Arduino Uno Wifi” ABX00021 ?
Best regards Skippers

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Comment on ThingSpeak Library for Arduino by Gossipfunda https://blogs.mathworks.com/iot/2019/02/12/thingspeak-library-for-arduino/#comment-209768 Sat, 16 Feb 2019 12:06:23 +0000 https://blogs.mathworks.com/iot/?p=2582#comment-209768 Thanks to ThingSpeak team for this latest update. Working as expected.

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Comment on MATLAB Toolboxes are Now Available on ThingSpeak for IoT Analytics by Hans Scharler https://blogs.mathworks.com/iot/2016/11/05/matlab-toolboxes-on-thingspeak/#comment-209736 Wed, 06 Feb 2019 15:26:31 +0000 https://blogs.mathworks.com/iot/?p=1943#comment-209736 Hi Mari. The ThingSpeak Support Toolbox is hosted on File Exchange: https://www.mathworks.com/matlabcentral/fileexchange/52244-thingspeak-support-toolbox

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Comment on MATLAB Toolboxes are Now Available on ThingSpeak for IoT Analytics by mari selvam https://blogs.mathworks.com/iot/2016/11/05/matlab-toolboxes-on-thingspeak/#comment-209734 Wed, 06 Feb 2019 08:17:44 +0000 https://blogs.mathworks.com/iot/?p=1943#comment-209734 I need the thingspeak support toolbox. Can you please suggest how to install it in the matlab and how to interface matlab with thingspeak.

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Comment on Deep Learning and IoT at University of Louisiana at Lafayette Science Day by Hans Scharler https://blogs.mathworks.com/iot/2018/12/07/deep-learning-and-iot-at-university-of-louisiana-at-lafayette-science-day/#comment-207356 Fri, 07 Dec 2018 22:53:53 +0000 https://blogs.mathworks.com/iot/?p=2552#comment-207356 You’re welcome. Thanks for the contribution!

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Comment on Deep Learning and IoT at University of Louisiana at Lafayette Science Day by Diamond Blackwell https://blogs.mathworks.com/iot/2018/12/07/deep-learning-and-iot-at-university-of-louisiana-at-lafayette-science-day/#comment-207354 Fri, 07 Dec 2018 22:52:29 +0000 https://blogs.mathworks.com/iot/?p=2552#comment-207354 Thank you again for all of your help and allowing me to publish a blog post!

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Comment on Collecting Resting Heart Rate Data Using ThingSpeak With a $5 Wi-Fi Device by Hans Scharler https://blogs.mathworks.com/iot/2017/10/27/collecting-resting-heart-rate-data-using-thingspeak/#comment-206854 Fri, 16 Nov 2018 12:12:01 +0000 https://blogs.mathworks.com/iot/?p=2198#comment-206854 In reply to Ayshu.

Sure. It is called Gravity: Heart Rate Monitor Sensor for Arduino.

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Comment on Collecting Resting Heart Rate Data Using ThingSpeak With a $5 Wi-Fi Device by Ayshu https://blogs.mathworks.com/iot/2017/10/27/collecting-resting-heart-rate-data-using-thingspeak/#comment-206850 Fri, 16 Nov 2018 11:28:06 +0000 https://blogs.mathworks.com/iot/?p=2198#comment-206850 Hello sir
Could you please specify the name of the pulse sensor?

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Comment on Create a GPS Tracker with MATLAB Mobile and ThingSpeak by Hans Scharler https://blogs.mathworks.com/iot/2017/01/31/create-a-gps-tracker-with-matlab-mobile-and-thingspeak/#comment-205645 Wed, 17 Oct 2018 18:15:11 +0000 https://blogs.mathworks.com/iot/?p=2007#comment-205645 The code for the project is hosted on File Exchange -https://www.mathworks.com/matlabcentral/fileexchange/60825-gps-mobile-gps-data-analysis-on-thingspeak – Click Download to get a zip file of the functions.

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Comment on Create a GPS Tracker with MATLAB Mobile and ThingSpeak by Hamza Arif https://blogs.mathworks.com/iot/2017/01/31/create-a-gps-tracker-with-matlab-mobile-and-thingspeak/#comment-205643 Wed, 17 Oct 2018 17:52:31 +0000 https://blogs.mathworks.com/iot/?p=2007#comment-205643 Hi,
Can i please get your coding? Actually i need his for my Final Year Project.Hope you will consider my request As soon as possible.

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Comment on Learn How to Build a Custom Android App for a ThingSpeak IoT Project by Vishal mallinath gobbur https://blogs.mathworks.com/iot/2017/12/20/learn-how-to-build-a-custom-android-app-for-a-thingspeak-iot-project/#comment-205055 Sun, 23 Sep 2018 07:56:49 +0000 https://blogs.mathworks.com/iot/?p=2218#comment-205055 Outstanding information

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Comment on Using IoT Devices as Teaching Aids in Engineering Education by Applying Dissertation Assistance United kingdom - Erstein https://blogs.mathworks.com/iot/2017/06/23/using-iot-devices-as-teaching-aids-in-engineering-education/#comment-205045 Fri, 21 Sep 2018 17:49:01 +0000 https://blogs.mathworks.com/iot/?p=2156#comment-205045 […] crack fix is important. Everyone understands a restart is just one of the aspects of a work out Using IoT Devices as Teaching Aids in Engineering Education […]

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Comment on New Spline Charts for IoT Data Visualizations by Relationship help chat rooms free https://blogs.mathworks.com/iot/2014/05/09/new-spline-charts-for-iot-data-visualizations/#comment-204851 Mon, 03 Sep 2018 08:34:45 +0000 https://blogs.mathworks.com/iot/?p=1227#comment-204851 New Spline Charts for IoT Data Visualizations

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Comment on Reacting to Events in Your Data With MATLAB by John Laidler https://blogs.mathworks.com/iot/2016/01/21/reacting-to-events-in-your-data-with-matlab/#comment-204649 Thu, 23 Aug 2018 10:32:12 +0000 https://blogs.mathworks.com/iot/?p=1613#comment-204649 Sorry, the above should read “MATLAB license”. I’ve only signed up to a free ThingSpeak channel.

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Comment on Reacting to Events in Your Data With MATLAB by John Laidler https://blogs.mathworks.com/iot/2016/01/21/reacting-to-events-in-your-data-with-matlab/#comment-204647 Thu, 23 Aug 2018 10:22:37 +0000 https://blogs.mathworks.com/iot/?p=1613#comment-204647 Thanks for this, I didn’t realise the system could send tweets. I’m trying the REACT system but though it should be sending me a tweet (the temperature being sensed is above a threshold I’ve set) I am not getting a tweet.
Do I need a MATLAB account for this work?
John

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Comment on Create a GPS Tracker with MATLAB Mobile and ThingSpeak by Ariel Suรกrez https://blogs.mathworks.com/iot/2017/01/31/create-a-gps-tracker-with-matlab-mobile-and-thingspeak/#comment-204507 Sat, 11 Aug 2018 22:36:14 +0000 https://blogs.mathworks.com/iot/?p=2007#comment-204507 tengo un error

To use ‘geoquadline’, the following product must be licensed, installed, and enabled:
Mapping Toolbox

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Comment on [Official Tutorial] Monitoring Linux Server Statistics by Adam Dave https://blogs.mathworks.com/iot/2014/05/20/official-tutorial-monitoring-linux-server-statistics/#comment-204505 Sat, 11 Aug 2018 21:29:55 +0000 https://blogs.mathworks.com/iot/?p=1244#comment-204505 For the right guidance for the monitoring of the Linux can also be guided by the Apple Support Number for the actual need to the guidance and the solution of the others problem regarding the Apple device.

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Comment on Introducing ThingSpeak Gauges! by Phil Buhler https://blogs.mathworks.com/iot/2018/06/27/introducing-thingspeak-gauges/#comment-204180 Tue, 17 Jul 2018 22:16:38 +0000 https://blogs.mathworks.com/iot/?p=2448#comment-204180 Thanks for the new guages, im having fun with them. Re future ones, i monitor water tanks and diesel tanks so a Tank (ie fat vertical bar graph) would be great. Adding colours to the tank somehow like the guages would be handy as visual warning for low or high water would be superb.
Another need i have is to have compact dashboard ie a lot of info in a small space (for low res tv screens) so plain old bar graphs i think are best for this i think. Colours for warnings would be good also.
Well, that’s my ten cents worth. thanks for listening ๐Ÿ™‚
Kind regards, Phil.

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Comment on Send Bulk Sensor Data to ThingSpeak for Analysis by Cyril Jan Eugenio https://blogs.mathworks.com/iot/2017/07/20/send-bulk-sensor-data-to-thingspeak-for-analysis/#comment-204160 Mon, 16 Jul 2018 06:22:02 +0000 https://blogs.mathworks.com/iot/?p=2167#comment-204160 Good day sir. can i ask for advice? Im trying to use the bulk_update to store frequency values from mic sensor to thingspeak. but im having trouble in the codes. i cant hardly understand the examples since im not that good in coding. i thought it would be like the temperature and humidity sensor but its different and i cant get the desired output in thingspeak.

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by sergio https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-204094 Tue, 10 Jul 2018 16:26:21 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-204094 Hello; How to make the scale of the Y axis equal for both series?

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Comment on Learn How to Build a Condition Monitoring IoT System by Stinsy https://blogs.mathworks.com/iot/2018/02/22/learn-how-to-build-a-condition-monitoring-iot-system/#comment-203954 Wed, 04 Jul 2018 07:20:00 +0000 https://blogs.mathworks.com/iot/?p=2298#comment-203954 Hi,
I wanted to create the streaming data monitoring system for my new wireless vibration sensor https://store.ncd.io/product/iot-long-range-wireless-vibration-and-temperature-sensor/ using IFTTT protocol but I am not sure that would it be compatible to use with cellular service with thingspeak or not ?
Any suggestion by you will be much helpful for me
Thanks in advance.

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Comment on Introducing ThingSpeak Gauges! by ThingSpeak at the Boston TechJam – Thinking About Things https://blogs.mathworks.com/iot/2018/06/27/introducing-thingspeak-gauges/#comment-203816 Wed, 27 Jun 2018 17:33:04 +0000 https://blogs.mathworks.com/iot/?p=2448#comment-203816 […] about the new ThingSpeak gauge widgets, check out the MathWorks Documentation for ThingSpeak or the MathWorks IoT Blog. Thanks for stopping […]

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Comment on Learn How to Build a Custom Android App for a ThingSpeak IoT Project by Glen Belson https://blogs.mathworks.com/iot/2017/12/20/learn-how-to-build-a-custom-android-app-for-a-thingspeak-iot-project/#comment-203802 Tue, 26 Jun 2018 11:01:35 +0000 https://blogs.mathworks.com/iot/?p=2218#comment-203802 Hey I am using wireless temperature sensor to communicate with thingspeak but I need suggestion how can i send the output readings of sensor which is shown on Raspberry pi via wireless communication ? also need to store the readings and at same time wanted to display the readings on smartphones using internet.

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Comment on Send Bulk Sensor Data to ThingSpeak for Analysis by Muhammad Ahmed Naveed https://blogs.mathworks.com/iot/2017/07/20/send-bulk-sensor-data-to-thingspeak-for-analysis/#comment-203758 Fri, 22 Jun 2018 08:43:23 +0000 https://blogs.mathworks.com/iot/?p=2167#comment-203758 Hello, I am using this example as it is https://www.mathworks.com/help/thingspeak/continuously-collect-data-and-bulk-update-a-thingspeak-channel-using-an-arduino-mkr1000-board-or-an-esp8266-board.html

This is my complete code. But I get a response code: 0. Can you please tell me what is wrong in this code ? I am using ESP8266 thing dev.

/* This example shows how to bulk update a ThingSpeak channel using an Arduino MKR1000 or an ESP8266*/

#include //Uncomment this library to work with ESP8266
#include //Uncomment this library to work with ESP8266

//#include // Comment this to work with ESP8266 board
//#include // Comment this to work with ESP8266 board

char jsonBuffer[500] = “[“; // Initialize the jsonBuffer to hold data

char ssid[] = “Xperia Z_a769”; // Your network SSID (name)
char pass[] = “7c6761b56ed2”; // Your network password
WiFiClient client; // Initialize the WiFi client library

char server[] = “api.thingspeak.com”; // ThingSpeak Server

/* Collect data once every 15 seconds and post data to ThingSpeak channel once every 2 minutes */
unsigned long lastConnectionTime = 0; // Track the last connection time
unsigned long lastUpdateTime = 0; // Track the last update time
const unsigned long postingInterval = 120L * 1000L; // Post data every 2 minutes
const unsigned long updateInterval = 15L * 1000L; // Update once every 15 seconds

void setup() {
Serial.begin(9600);
// Attempt to connect to WiFi network
while (WiFi.status() != WL_CONNECTED) {
Serial.print(“Attempting to connect to SSID: “);
Serial.println(ssid);
WiFi.begin(ssid, pass); // Connect to WPA/WPA2 network. Change this line if using open or WEP network
delay(10000); // Wait 10 seconds to connect
}
Serial.println(“Connected to wifi”);
printWiFiStatus(); // Print WiFi connection information
}

void loop() {
// If update time has reached 15 seconds, then update the jsonBuffer
if (millis() – lastUpdateTime >= updateInterval) {
updatesJson(jsonBuffer);
}

}

// Updates the jsonBuffer with data
void updatesJson(char* jsonBuffer){
/* JSON format for updates paramter in the API
* This example uses the relative timestamp as it uses the “delta_t”. If your device has a real-time clock, you can provide the absolute timestamp using the “created_at” parameter
* instead of “delta_t”.
* “[{\”delta_t\”:0,\”field1\”:-70},{\”delta_t\”:15,\”field1\”:-66}]”
*/
// Format the jsonBuffer as noted above
strcat(jsonBuffer,”{\”delta_t\”:”);
unsigned long deltaT = (millis() – lastUpdateTime)/1000;
size_t lengthT = String(deltaT).length();
char temp[4];
String(deltaT).toCharArray(temp,lengthT+1);
strcat(jsonBuffer,temp);
strcat(jsonBuffer,”,”);
long rssi = WiFi.RSSI();
strcat(jsonBuffer, “\”field1\”:”);
lengthT = String(rssi).length();
String(rssi).toCharArray(temp,lengthT+1);
strcat(jsonBuffer,temp);
strcat(jsonBuffer,”},”);
// If posting interval time has reached 2 minutes, then update the ThingSpeak channel with your data
if (millis() – lastConnectionTime >= postingInterval) {
size_t len = strlen(jsonBuffer);
jsonBuffer[len-1] = ‘]’;
httpRequest(jsonBuffer);
}
lastUpdateTime = millis(); // Update the last update time
}

// Updates the ThingSpeakchannel with data
void httpRequest(char* jsonBuffer) {
/* JSON format for data buffer in the API
* This example uses the relative timestamp as it uses the “delta_t”. If your device has a real-time clock, you can also provide the absolute timestamp using the “created_at” parameter
* instead of “delta_t”.
* “{\”write_api_key\”:\”YOUR-CHANNEL-WRITEAPIKEY\”,\”updates\”:[{\”delta_t\”:0,\”field1\”:-60},{\”delta_t\”:15,\”field1\”:200},{\”delta_t\”:15,\”field1\”:-66}]
*/
// Format the data buffer as noted above
char data[500] = “{\”write_api_key\”:\”6OF022OLH2QM50TP\”,\”updates\”:”; //Replace YOUR-CHANNEL-WRITEAPIKEY with your ThingSpeak channel write API key
strcat(data,jsonBuffer);
strcat(data,”}”);
// Close any connection before sending a new request
client.stop();
String data_length = String(strlen(data)+1); //Compute the data buffer length
// POST data to ThingSpeak
if (client.connect(server, 80)) {
client.println(“POST /channels/522490/bulk_update.json HTTP/1.1”); //Replace YOUR-CHANNEL-ID with your ThingSpeak channel ID
client.println(“Host: api.thingspeak.com”);
client.println(“User-Agent: mw.doc.bulk-update (Arduino ESP8266)”);
client.println(“Connection: close”);
client.println(“Content-Type: application/json”);
client.println(“Content-Length: “+data_length);
client.println();
client.println(data);
}
else {
Serial.println(“Failure: Failed to connect to ThingSpeak”);
}
delay(15000); //Wait to receive the response
client.parseFloat();
String resp = String(client.parseInt());
Serial.println(“Response code:”+resp); // Print the response code. 202 indicates that the server has accepted the response
jsonBuffer[0] = ‘[‘; // Reinitialize the jsonBuffer for next batch of data
jsonBuffer[1] = ‘\0’;
lastConnectionTime = millis(); // Update the last connection time
}

void printWiFiStatus() {
// Print the SSID of the network you’re attached to:
Serial.print(“SSID: “);
Serial.println(WiFi.SSID());

// Print your device IP address:
IPAddress ip = WiFi.localIP();
Serial.print(“IP Address: “);
Serial.println(ip);

// Print the received signal strength:
long rssi = WiFi.RSSI();
Serial.print(“signal strength (RSSI):”);
Serial.print(rssi);
Serial.println(” dBm”);
}

This is my output:

Attempting to connect to SSID: Xperia Z_a769
Connected to wifi
SSID: Xperia Z_a769
IP Address: *************
signal strength (RSSI):-44 dBm
Response code:0

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Comment on ThingSpeak Java Client for “Internet of Things Applications” by Zdenek Kubin https://blogs.mathworks.com/iot/2014/01/19/thingspeak-java-client-for-internet-of-things-applications/#comment-203722 Tue, 19 Jun 2018 10:28:22 +0000 https://blogs.mathworks.com/iot/?p=1122#comment-203722 Hi,
can you use this Java code inside the Matlab to comunicate with Thingspeak?
Thanks

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Comment on Counting Cars and Analyzing Traffic by largest automaker https://blogs.mathworks.com/iot/2015/09/18/counting-cars-and-analyzing-traffic-with-thingspeak/#comment-203714 Mon, 18 Jun 2018 01:43:58 +0000 https://blogs.mathworks.com/iot/?p=1509#comment-203714 insurance right

Counting Cars and Analyzing Traffic

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Comment on Create a GPS Tracker with MATLAB Mobile and ThingSpeak by deepak chauhan https://blogs.mathworks.com/iot/2017/01/31/create-a-gps-tracker-with-matlab-mobile-and-thingspeak/#comment-203527 Sat, 02 Jun 2018 15:51:33 +0000 https://blogs.mathworks.com/iot/?p=2007#comment-203527 can i get your coding???? actualy i am an engineering student and i work on a project in which i want to show three device locations on matlab using thinkspeak
so i want your help… hope for reply

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Comment on Counting Cars and Analyzing Traffic by Hans Scharler https://blogs.mathworks.com/iot/2015/09/18/counting-cars-and-analyzing-traffic-with-thingspeak/#comment-203451 Tue, 22 May 2018 12:00:37 +0000 https://blogs.mathworks.com/iot/?p=1509#comment-203451 The source code is on File Exchange: https://www.mathworks.com/matlabcentral/fileexchange/52456-analyzing-traffic-using-a-webcam–a-raspberry-pi-and-thingspeak

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Comment on Counting Cars and Analyzing Traffic by Oleg Nazarevych https://blogs.mathworks.com/iot/2015/09/18/counting-cars-and-analyzing-traffic-with-thingspeak/#comment-203447 Tue, 22 May 2018 09:54:32 +0000 https://blogs.mathworks.com/iot/?p=1509#comment-203447 Where can I download source code ?

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Comment on Schedule MATLAB Code with TimeControl by Anshuman Panda https://blogs.mathworks.com/iot/2015/11/03/schedule-matlab-code-with-timecontrol/#comment-203379 Tue, 15 May 2018 08:49:58 +0000 https://blogs.mathworks.com/iot/?p=1539#comment-203379 Whenever I am selecting recurring option no option is showing to select the recurring time duration.

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Comment on [Official Tutorial] Monitoring Linux Server Statistics by ben lwis https://blogs.mathworks.com/iot/2014/05/20/official-tutorial-monitoring-linux-server-statistics/#comment-203377 Mon, 14 May 2018 20:00:49 +0000 https://blogs.mathworks.com/iot/?p=1244#comment-203377 How to Monitor System Usage, Outages and Troubleshoot Linux … on the system status, analyze outages, and troubleshoot ongoing issues.
google support

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Comment on ThingView – Mobile App to See ThingSpeak Charts on Android Devices by Larisa https://blogs.mathworks.com/iot/2016/04/21/thingview-mobile-app-to-see-thingspeak-charts-on-android-devices/#comment-203324 Sun, 06 May 2018 18:50:52 +0000 https://blogs.mathworks.com/iot/?p=1793#comment-203324 Hello, (put name). I have 8 data fields in my channel. How can I make ThingView to plot some of them a hide others?and hide others.I would like to see only few selected fields out of 8 available in my channel.

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Comment on MATLAB Toolboxes are Now Available on ThingSpeak for IoT Analytics by Top IoT Cloud Platforms for Data Collection and Analysis Domains | Phones Feed https://blogs.mathworks.com/iot/2016/11/05/matlab-toolboxes-on-thingspeak/#comment-203140 Thu, 19 Apr 2018 19:27:23 +0000 https://blogs.mathworks.com/iot/?p=1943#comment-203140 […] or public cloud networks through which you can analyze and visualize it with the user-friendly MatLab functions available through […]

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Comment on Discussions About How to Use MATLAB and Arduino on the MATLAB Maker Community by MartinUnomb https://blogs.mathworks.com/iot/2018/03/30/discussions-about-how-to-use-matlab-and-arduino-on-the-matlab-maker-community/#comment-203072 Fri, 13 Apr 2018 13:00:28 +0000 https://blogs.mathworks.com/iot/?p=2352#comment-203072 Hi All im rookie here. Good article! Thx! Thx!

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Comment on ThingView – Mobile App to See ThingSpeak Charts on Android Devices by Hans Scharler https://blogs.mathworks.com/iot/2016/04/21/thingview-mobile-app-to-see-thingspeak-charts-on-android-devices/#comment-202628 Thu, 29 Mar 2018 11:17:09 +0000 https://blogs.mathworks.com/iot/?p=1793#comment-202628 In reply to Akshay Joshi.

You might be able to do this. You would configure your charts on ThingSpeak, then go to Thing View and add your channel. Date selection may not be supported, but I pass that feedback to the developer.

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Comment on ThingView – Mobile App to See ThingSpeak Charts on Android Devices by Akshay Joshi https://blogs.mathworks.com/iot/2016/04/21/thingview-mobile-app-to-see-thingspeak-charts-on-android-devices/#comment-202626 Thu, 29 Mar 2018 05:45:09 +0000 https://blogs.mathworks.com/iot/?p=1793#comment-202626 Can we run queries on ThingView app? I want to see graphs for some particular dates only. Is this possible with ThingView?

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Comment on ThingSpeak Data Channels – Now With More Metadata by Hans Scharler https://blogs.mathworks.com/iot/2014/07/11/thingspeak-data-channels-now-with-more-metadata/#comment-202564 Thu, 08 Mar 2018 20:16:38 +0000 https://blogs.mathworks.com/iot/?p=1269#comment-202564 In reply to x x.

We do not support the reading of the metadata setting from the thingSpeakRead function, but you can use webread.

indoorChannelData = webread(strcat(‘https://api.thingspeak.com/channels/’, …
num2str(indoorChannelID), …
‘/feeds.json?metadata=true&api_key=’, …
indoorChannelReadKey));

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Comment on ThingSpeak Data Channels – Now With More Metadata by x x https://blogs.mathworks.com/iot/2014/07/11/thingspeak-data-channels-now-with-more-metadata/#comment-202562 Thu, 08 Mar 2018 19:17:45 +0000 https://blogs.mathworks.com/iot/?p=1269#comment-202562 I tired :
[result, timestamp, chInfo] = thingSpeakRead (channel_id, ‘ReadKey’, readKey, ‘Metadata’, true)
and it returned error:
‘Metadata’ is not a recognized parameter.

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Comment on ThingSpeak Data Channels – Now With More Metadata by x x https://blogs.mathworks.com/iot/2014/07/11/thingspeak-data-channels-now-with-more-metadata/#comment-202560 Thu, 08 Mar 2018 19:14:00 +0000 https://blogs.mathworks.com/iot/?p=1269#comment-202560 I see an example of how to update this ‘Metadata’ field.
Could you provide a complementary example of how to
“read back” this value?

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Comment on Accessing Historical Data on a ThingSpeak Channel by Hans Scharler https://blogs.mathworks.com/iot/2012/03/22/accessing-historical-data-on-a-thingspeak-channel/#comment-202066 Sat, 03 Feb 2018 22:52:03 +0000 https://blogs.mathworks.com/iot/?p=914#comment-202066 Hi Paul,

The charts API has this form: http://api.thingspeak.com/channels/9/charts/FIELDNUMBER?start=2011-12-31%2000:00:00&end=2012-01-01%2000:00:00&average=60

Field 1: http://api.thingspeak.com/channels/9/charts/1?start=2011-12-31%2000:00:00&end=2012-01-01%2000:00:00&average=60
Field 2: http://api.thingspeak.com/channels/9/charts/2?start=2011-12-31%2000:00:00&end=2012-01-01%2000:00:00&average=60

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Comment on Accessing Historical Data on a ThingSpeak Channel by Paul Effting https://blogs.mathworks.com/iot/2012/03/22/accessing-historical-data-on-a-thingspeak-channel/#comment-202062 Sat, 03 Feb 2018 22:08:11 +0000 https://blogs.mathworks.com/iot/?p=914#comment-202062 I just want to read back the latest data of one single chart (e.g. the last stored temperature to tingspea to chart 1)
How to do this?

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Comment on Updates to the MATLAB Analysis App with Lots of Example Code by paul reisinger https://blogs.mathworks.com/iot/2015/09/09/updates-to-the-matlab-analysis-app-with-lots-of-example-code/#comment-201646 Sat, 13 Jan 2018 18:23:24 +0000 https://blogs.mathworks.com/iot/?p=1497#comment-201646 Hello I just started using Thingspeak a few days ago. In My Profile, time zone is set to : Eastern Time/Us & Canada. This works fine in the Charts view which show the correct local time on the x axis, But when I use the Export function the resulting csv file has UTC timeStamps. So what do I need to do to get the csv file with my local time timestamps?

Thanks,
Paul

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Comment on Subscribe to ThingSpeak IoT Data using MQTT by Use the New MQTT Service from ThingSpeak for Real-time CheerLights Updates – Thinking About Things https://blogs.mathworks.com/iot/2017/11/10/subscribe-to-thingspeak-iot-data-using-mqtt/#comment-201318 Sun, 10 Dec 2017 20:19:18 +0000 https://blogs.mathworks.com/iot/?p=2204#comment-201318 […] And, this year, I am happy to introduce real-time CheerLights updates using ThingSpeak’s new MQTT service. Using the MQTT service by ThingSpeak, your CheerLights change instantly. ThingSpeak has […]

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Comment on Youโ€™ve Collected Lots of IoT Data, Now We Can Help You Figure Out What It Means! by Hans Scharler https://blogs.mathworks.com/iot/2015/08/20/you-have-collected-lots-of-iot-data/#comment-201304 Wed, 06 Dec 2017 22:18:43 +0000 https://blogs.mathworks.com/iot/?p=1475#comment-201304 In reply to Sharon.

Is your channel private? If so, you will need to provide a Read API Key with the thingSpeakRead command.

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Comment on Youโ€™ve Collected Lots of IoT Data, Now We Can Help You Figure Out What It Means! by Sharon https://blogs.mathworks.com/iot/2015/08/20/you-have-collected-lots-of-iot-data/#comment-201302 Wed, 06 Dec 2017 21:58:08 +0000 https://blogs.mathworks.com/iot/?p=1475#comment-201302 hello, I am trying to plot a rose wind on thingspeak but when I write my channel ID it just does not work, please, can you help me?

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Comment on Send Bulk Sensor Data to ThingSpeak for Analysis by Hans Scharler https://blogs.mathworks.com/iot/2017/07/20/send-bulk-sensor-data-to-thingspeak-for-analysis/#comment-200915 Fri, 04 Aug 2017 14:42:10 +0000 https://blogs.mathworks.com/iot/?p=2167#comment-200915 I have taken a closer look at the issue. In your code do you have a line that looks like this?

strcpy(data,โ€write_api_key=โ€+WriteAPIKey+โ€&time_format=absolute&updates=โ€);

Make sure โ€œtime_formatโ€ has an underscore.

Let us know if that helps.

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Comment on Send Bulk Sensor Data to ThingSpeak for Analysis by Christopher Stapels https://blogs.mathworks.com/iot/2017/07/20/send-bulk-sensor-data-to-thingspeak-for-analysis/#comment-200891 Wed, 26 Jul 2017 21:59:16 +0000 https://blogs.mathworks.com/iot/?p=2167#comment-200891 I recently re-verified the example code for bulk posting with a particle photon (https://www.mathworks.com/help/thingspeak/bulk-update-a-thingspeak-channel-using-particle-photon-board.html). The JSON formatting can sometimes be a pain. Or perhaps there is some difference with the libraries for the electron. We will look into this further.

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Comment on Send Bulk Sensor Data to ThingSpeak for Analysis by Eight19_FC https://blogs.mathworks.com/iot/2017/07/20/send-bulk-sensor-data-to-thingspeak-for-analysis/#comment-200887 Tue, 25 Jul 2017 15:58:44 +0000 https://blogs.mathworks.com/iot/?p=2167#comment-200887 I am trying to implement this bulk transfer from the Particle Electron. I have tried directly copying the example code for the photon, but in the “Response code” published I reliably get either a 1, 0, or 500, and my ThingSpeak channel is not updated.

I have also attempted using the webhook method recommended by Particle, but although I have done my best to format the JSON file in the publish as it is in the documentation, there is usually a 401 (invalid API key or channel mismatch), but the API key I have put into the json and the channel number in the url are both correct.

Can anyone advise me on implementing this bulk transfer method for an Electron? My project needs to be as low-powered as possible, and the methods in the particle documentation are insufficient as there does not appear to be any other way of ensuring that published data points are associated with their own particular timestamp rather than the timestamp of the publish.

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Comment on Using IoT Devices as Teaching Aids in Engineering Education by Hans Scharler https://blogs.mathworks.com/iot/2017/06/23/using-iot-devices-as-teaching-aids-in-engineering-education/#comment-200791 Fri, 30 Jun 2017 14:27:11 +0000 https://blogs.mathworks.com/iot/?p=2156#comment-200791 In reply to recktenwaldg.

Thanks for the comment, Gerry. And, thanks to you for having us involved with your panel last year and the workshop this year. I look forward to working with you again!

Cheers,
Hans

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Comment on Using IoT Devices as Teaching Aids in Engineering Education by recktenwaldg https://blogs.mathworks.com/iot/2017/06/23/using-iot-devices-as-teaching-aids-in-engineering-education/#comment-200790 Fri, 30 Jun 2017 14:02:52 +0000 https://blogs.mathworks.com/iot/?p=2156#comment-200790 Hans, you made a great contribution to the workshop. Participants learned a lot, and I had my eyes opened to the elegance and power of Thingspeak. Thanks for sharing your skills and the Thingspeak framework

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Comment on The Data Science Behind BBQ by Hans Scharler https://blogs.mathworks.com/iot/2017/05/29/the-data-science-behind-bbq/#comment-200750 Sat, 10 Jun 2017 14:58:53 +0000 https://blogs.mathworks.com/iot/?p=2139#comment-200750 Thanks, Charlie. I remember the discussion about your Weber Smokey Mountain. Let’s BBQ with MATLAB!

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Comment on The Data Science Behind BBQ by Charlie Harrison https://blogs.mathworks.com/iot/2017/05/29/the-data-science-behind-bbq/#comment-200749 Sat, 10 Jun 2017 14:16:56 +0000 https://blogs.mathworks.com/iot/?p=2139#comment-200749 I ran into Hans at the recent MathWorks Advisory Board conference and began telling him that one of my strongest passions is good barbecue and that I had developed my own arduino setup to monitor/control pit and meat temperature and began showing him my stuff. Little did I know that he had already posted here on it! Awesome awesome stuff!

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Comment on The Data Science Behind BBQ by Hans Scharler https://blogs.mathworks.com/iot/2017/05/29/the-data-science-behind-bbq/#comment-200682 Sat, 03 Jun 2017 16:15:43 +0000 https://blogs.mathworks.com/iot/?p=2139#comment-200682 In reply to Aurรฉlien Queffurust.

Awesome! Good luck in the championship!

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Comment on The Data Science Behind BBQ by Aurรฉlien Queffurust https://blogs.mathworks.com/iot/2017/05/29/the-data-science-behind-bbq/#comment-200681 Sat, 03 Jun 2017 16:13:18 +0000 https://blogs.mathworks.com/iot/?p=2139#comment-200681 As an old mathworker (2005-2008) And in the same time preparing the final for the French championship of BBQ I can only move this post!
I shared it on my Facebook page MeaticBBQ

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Comment on Clearing Channels (feature request) by Hans Scharler https://blogs.mathworks.com/iot/2011/03/26/clearing-channels-feature-request/#comment-200406 Wed, 26 Apr 2017 17:22:04 +0000 https://blogs.mathworks.com/iot/?p=478#comment-200406 Great. Thanks for the feedback!

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Comment on Clearing Channels (feature request) by likith https://blogs.mathworks.com/iot/2011/03/26/clearing-channels-feature-request/#comment-200403 Wed, 26 Apr 2017 12:49:16 +0000 https://blogs.mathworks.com/iot/?p=478#comment-200403 I am accessing thingspeak from matlab desktop. I want to clear all the previous data already present in the channel as it would be affect the matlab visualization of the new data uploaded into the channel. it would be nice if i had the clear command, rather than me manually visiting the channel and clearing it.

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Comment on Clearing Channels (feature request) by Hans Scharler https://blogs.mathworks.com/iot/2011/03/26/clearing-channels-feature-request/#comment-200402 Wed, 26 Apr 2017 12:35:36 +0000 https://blogs.mathworks.com/iot/?p=478#comment-200402 In reply to likith.

Thanks for the suggestion. I will bring it up with our team.

If you had this, how would you use it? In what context?

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Comment on Clearing Channels (feature request) by likith https://blogs.mathworks.com/iot/2011/03/26/clearing-channels-feature-request/#comment-200401 Wed, 26 Apr 2017 12:32:52 +0000 https://blogs.mathworks.com/iot/?p=478#comment-200401 it would be great to have thingSpeakClear command like the thingSpeakRead & thingSpeakWrite feature available in thingspeak toolbox

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Comment on Getting Started with IoT using the Particle Electron and ThingSpeak by Jason Winters https://blogs.mathworks.com/iot/2016/03/08/getting-started-with-iot-using-the-particle-electron-and-thingspeak/#comment-200121 Fri, 10 Mar 2017 19:00:26 +0000 https://blogs.mathworks.com/iot/?p=1737#comment-200121 There is an emulated EEPROM on the Photon, so yes you can hold multiple values.
For specific details, check the Particle.io Photon documentation:
https://docs.particle.io/reference/firmware/photon/#eeprom

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Comment on Getting Started with IoT using the Particle Electron and ThingSpeak by Teodor Bobochikov https://blogs.mathworks.com/iot/2016/03/08/getting-started-with-iot-using-the-particle-electron-and-thingspeak/#comment-200102 Wed, 08 Mar 2017 18:09:10 +0000 https://blogs.mathworks.com/iot/?p=1737#comment-200102 May i read multiple values (last 10 in a field) and store them in a photon….

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Comment on Send Tweets using Arduino Ethernet [Updated Tutorial] by Hans Scharler https://blogs.mathworks.com/iot/2012/12/07/send-tweets-using-arduino-ethernet-updated-tutorial/#comment-200012 Thu, 02 Mar 2017 00:06:06 +0000 https://blogs.mathworks.com/iot/?p=1022#comment-200012 I would try message += String(i) or in this spirit.

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Comment on Send Tweets using Arduino Ethernet [Updated Tutorial] by Angel https://blogs.mathworks.com/iot/2012/12/07/send-tweets-using-arduino-ethernet-updated-tutorial/#comment-200008 Wed, 01 Mar 2017 18:20:35 +0000 https://blogs.mathworks.com/iot/?p=1022#comment-200008 Hello , If I want to send one string with label of counter for example
i=0;
String message = Alert, itยดs detected fire, number: “;
message += i;
tweet(message);

I tried to send this string with this label, i hope that you can help me please, thanks
the platform is Arduino thanks , best reggards Angel

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Comment on Use MQTT to Send IoT Data to ThingSpeak by Venkatesh https://blogs.mathworks.com/iot/2017/01/20/use-mqtt-to-send-iot-data-to-thingspeak/#comment-199662 Tue, 24 Jan 2017 16:37:41 +0000 https://blogs.mathworks.com/iot/?p=1998#comment-199662 Thank you Eric.

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Comment on Use MQTT to Send IoT Data to ThingSpeak by Eric Wetjen https://blogs.mathworks.com/iot/2017/01/20/use-mqtt-to-send-iot-data-to-thingspeak/#comment-199651 Mon, 23 Jan 2017 18:47:10 +0000 https://blogs.mathworks.com/iot/?p=1998#comment-199651 For free accounts, the update rate remains at 15 seconds. However, it is possible to send data faster (up to once per second) with the paid options of ThingSpeak that were released in December, 2016. The paid options also provide the ability to send more data, and offer longer compute times on ThingSpeak. See the How to Buy page for details about the benefits provided by a paid license.

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Comment on Use MQTT to Send IoT Data to ThingSpeak by Learn How to Use MQTT.fx with ThingSpeak – Thinking About Things https://blogs.mathworks.com/iot/2017/01/20/use-mqtt-to-send-iot-data-to-thingspeak/#comment-199650 Mon, 23 Jan 2017 15:51:08 +0000 https://blogs.mathworks.com/iot/?p=1998#comment-199650 […] just announced that they added MQTT as a way to send data to a ThingSpeak channel. This is great news since a lot […]

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Comment on Use MQTT to Send IoT Data to ThingSpeak by Venkatesh https://blogs.mathworks.com/iot/2017/01/20/use-mqtt-to-send-iot-data-to-thingspeak/#comment-199649 Sun, 22 Jan 2017 17:52:47 +0000 https://blogs.mathworks.com/iot/?p=1998#comment-199649 Hi !

Is there any change to the rate at which the channels would accept data ? Does it still remain at 15 seconds ?

How does one send data at a rate faster than this to a ThingSpeak channel ?

Thanks,
Venkatesh.

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by SilverNodashi https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-199647 Tue, 17 Jan 2017 21:02:07 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-199647 I tried this example on 6 fields but it failed. With 2 fields it works fine but not with 6. What do I need to change, in order to read more than 2 fields successfully?

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Comment on MATLAB Toolboxes are Now Available on ThingSpeak for IoT Analytics by soorya https://blogs.mathworks.com/iot/2016/11/05/matlab-toolboxes-on-thingspeak/#comment-199644 Wed, 04 Jan 2017 06:48:09 +0000 https://blogs.mathworks.com/iot/?p=1943#comment-199644 It’s good to know they are available

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by soorya https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-199643 Wed, 04 Jan 2017 06:45:10 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-199643 useful info

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Comment on ThingSpeak Adds Paid Options to Its IoT Analytics Service by Mikolaj Jurkiewicz https://blogs.mathworks.com/iot/2016/12/05/thingspeak-adds-paid-options-to-its-iot-analytics-service/#comment-199601 Tue, 06 Dec 2016 16:57:13 +0000 https://blogs.mathworks.com/iot/?p=1965#comment-199601 In reply to Hans.

Ok, everything works now ! Thank You for Your help, as You said – I needed to just use my email address instead of my user ID :).

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Comment on ThingSpeak Adds Paid Options to Its IoT Analytics Service by Hans https://blogs.mathworks.com/iot/2016/12/05/thingspeak-adds-paid-options-to-its-iot-analytics-service/#comment-199600 Tue, 06 Dec 2016 16:42:06 +0000 https://blogs.mathworks.com/iot/?p=1965#comment-199600 In reply to Mikolaj Jurkiewicz.

Make sure you are signing in with the email address and not the user ID. Let us know if that helps. Thanks.

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Comment on ThingSpeak Adds Paid Options to Its IoT Analytics Service by Mikolaj Jurkiewicz https://blogs.mathworks.com/iot/2016/12/05/thingspeak-adds-paid-options-to-its-iot-analytics-service/#comment-199599 Tue, 06 Dec 2016 15:57:13 +0000 https://blogs.mathworks.com/iot/?p=1965#comment-199599 I can not log on my Thingspeak account after this change. It says “Invalid Username or Password” all the time. When I tried to recover the password, it does not send me any email. Please, help me !

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by Spencer Koch https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-199595 Sun, 27 Nov 2016 03:33:12 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-199595 This is really nice. I need to combine a bunch of different channels to make a dashboard for sensors all around my house!

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Comment on Official ThingSpeak Library for Arduino and Particle by Robert https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-199587 Tue, 15 Nov 2016 20:39:23 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-199587 In reply to Venkatesh.

Hi Venkatesh,

Version 1.0.6 is really old, please update to a more recent version of the Arduino IDE.

Regards

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Comment on Official ThingSpeak Library for Arduino and Particle by Jason Winters https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-199586 Tue, 15 Nov 2016 13:47:55 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-199586 In reply to Venkatesh.

The ThingSpeak library isn’t visible by default. You will first need to add it by going to Sketch -> Include Library -> Manage Libraries. Search for ThingSpeak and install the latest library from there.

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Comment on Official ThingSpeak Library for Arduino and Particle by Venkatesh https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-199583 Mon, 14 Nov 2016 14:33:28 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-199583 Hi ,

I am a first time user of ThingSpeak. I use Arduino Mega 2560 with IDE version 1.0.6. It does not show ThingSpeak library. How do I update ?

Kindly suggest.

Regards.

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by FBeauchemin https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-199417 Thu, 03 Nov 2016 13:07:05 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-199417 In reply to Hans.

Ok i understand now.

The code is working.

Thanks for this great example and your help

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by Hans https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-199406 Thu, 03 Nov 2016 04:51:29 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-199406 In reply to FBeauchemin.

Temperature corresponds to what I named my field in my channel. You can name the field what you want, but the name will have to match the code.

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by FBeauchemin https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-199387 Wed, 02 Nov 2016 15:42:32 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-199387 Exactly what i need but i have an error when i execute the code.

The code stop to plotyy() and i have this message.

“Unrecognized variable name ‘Temperature’ “

thanks

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by Cyber1000 https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-199186 Thu, 20 Oct 2016 19:41:35 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-199186 In reply to Hans.

Think it was too late when I did this, too late for scrolling ๐Ÿ™‚

Thanks that solved my problem!
Greetings from Austria

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by Hans https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-199133 Mon, 17 Oct 2016 13:24:33 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-199133 In reply to Cyber1000.

Glad that the example worked for you. In the example code, the box looks like it is cutting off 3 lines that need to be scrolled to see.

title(‘Temperature and Humidity Synchronized From Two Channels’)
xlabel(‘Temperature and Humidity in Natick, MA’)
legend(‘Temperature’,’Humidity’)

I hope that helps.

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Comment on Use MATLAB ‘timetable’ to Merge ThingSpeak Data Channels by Cyber1000 https://blogs.mathworks.com/iot/2016/09/25/use-matlab-timetable-to-merge-thingspeak-data-channels/#comment-199123 Sun, 16 Oct 2016 11:41:03 +0000 https://blogs.mathworks.com/iot/?p=1924#comment-199123 Hey nice, that worked perfect for me.
How did you get the legend (Temperature, Humidity), they don’t show up with this code (at least for me). am I missing something?
Thanks!

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Comment on Official ThingSpeak Library for Arduino and Particle by viru409 https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-199090 Thu, 13 Oct 2016 09:13:29 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-199090 I want to read analog data using ethernet with arduino at thingspeak but following error occurs:

Connecting Arduino to network…

Arduino connected to network using DHCP

Connection to ThingSpeak failed (1)

Connection to ThingSpeak failed (2)

Connection to ThingSpeak failed (3)

Connection to ThingSpeak failed (4)

how to solve this issue

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Comment on Official ThingSpeak Library for Arduino and Particle by viru409 https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-199089 Thu, 13 Oct 2016 09:12:27 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-199089 I used above code to read analog data using ethernet with arduino at thingspeak but following error occurs:

Connecting Arduino to network…

Arduino connected to network using DHCP

Connection to ThingSpeak failed (1)

Connection to ThingSpeak failed (2)

Connection to ThingSpeak failed (3)

Connection to ThingSpeak failed (4)
……..

how can I solve this issue

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Comment on ThingView – Mobile App to See ThingSpeak Charts on Android Devices by MIlan https://blogs.mathworks.com/iot/2016/04/21/thingview-mobile-app-to-see-thingspeak-charts-on-android-devices/#comment-198347 Wed, 10 Aug 2016 05:33:46 +0000 https://blogs.mathworks.com/iot/?p=1793#comment-198347 I am sending my data using nodemcu (wifi module) on thingspeak.
How do i fetch that data to my android app.

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Comment on Cigar Humidor Updates Twitter – Powered by ThingSpeak and Arduino by angel https://blogs.mathworks.com/iot/2014/04/04/cigar-humidor-updates-twitter-powered-by-thingspeak-and-arduino/#comment-198138 Wed, 27 Jul 2016 17:55:54 +0000 https://blogs.mathworks.com/iot/?p=1178#comment-198138 Hi, Dear safak, you can send me your code? please, I need to connect me to twitter for send SMS and Twitts throug alerts for my project of master, I hope you can help me
best regards

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Comment on New Spline Charts for IoT Data Visualizations by Hans https://blogs.mathworks.com/iot/2014/05/09/new-spline-charts-for-iot-data-visualizations/#comment-197891 Thu, 07 Jul 2016 20:17:26 +0000 https://blogs.mathworks.com/iot/?p=1227#comment-197891 In reply to manohar.

Try using the step parameter like this:

https://thingspeak.com/channels/9/charts/1?height=240&width=600&results=10&dynamic=true&step=true

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Comment on New Spline Charts for IoT Data Visualizations by manohar https://blogs.mathworks.com/iot/2014/05/09/new-spline-charts-for-iot-data-visualizations/#comment-197882 Wed, 06 Jul 2016 18:25:32 +0000 https://blogs.mathworks.com/iot/?p=1227#comment-197882 the type “step” is not supporting , if it is support how to write java script
please send

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Comment on IoT Quick Start With the Arduino MKR1000 and ThingSpeak by BSB https://blogs.mathworks.com/iot/2016/05/27/iot-quick-start-with-the-arduino-mkr1000-and-thingspeak/#comment-197644 Sat, 11 Jun 2016 07:15:08 +0000 https://blogs.mathworks.com/iot/?p=1833#comment-197644 In reply to Hans.

Seeing possible random lock ups anywhere from a couple of hours to over 10

Or at least I thought they were.

Seems there may also be an issue with TS.
re-wrote debug output to tell me more about the connection itself.
Saw my debug was getting a connection to TS and sending data but my channel was reporting no data for (x) hours.

Going to scrub my DHT MKR data from TS and run a separate channel based on something much simpler to rule out the MKR.

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Comment on IoT Quick Start With the Arduino MKR1000 and ThingSpeak by Hans https://blogs.mathworks.com/iot/2016/05/27/iot-quick-start-with-the-arduino-mkr1000-and-thingspeak/#comment-197509 Tue, 31 May 2016 18:52:21 +0000 https://blogs.mathworks.com/iot/?p=1833#comment-197509 In reply to BSB.

What are you seeing happen? Mine runs for a long time without any issue.

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Comment on IoT Quick Start With the Arduino MKR1000 and ThingSpeak by BSB https://blogs.mathworks.com/iot/2016/05/27/iot-quick-start-with-the-arduino-mkr1000-and-thingspeak/#comment-197504 Tue, 31 May 2016 15:09:38 +0000 https://blogs.mathworks.com/iot/?p=1833#comment-197504 In reply to BSB.

OOPS it wasn’t that. I used your updated code and I still get random lockups. Dang this MKR it wont play nice at all.

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Comment on IoT Quick Start With the Arduino MKR1000 and ThingSpeak by BSB https://blogs.mathworks.com/iot/2016/05/27/iot-quick-start-with-the-arduino-mkr1000-and-thingspeak/#comment-197499 Tue, 31 May 2016 03:19:26 +0000 https://blogs.mathworks.com/iot/?p=1833#comment-197499 So glad I found this reference. I think your INT to float fixed an issue I have been chasing for a while where the MKR just locks up.

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Comment on IoT Quick Start With the Arduino MKR1000 and ThingSpeak by sborsay https://blogs.mathworks.com/iot/2016/05/27/iot-quick-start-with-the-arduino-mkr1000-and-thingspeak/#comment-197470 Sun, 29 May 2016 01:30:20 +0000 https://blogs.mathworks.com/iot/?p=1833#comment-197470 I already wrote code for connecting the MKR1000 to Thingspeak with data from a dht11 months ago. See the 3rd and 4th programs down in my wireless repository. I had to write a rough string handler to handle the int to float conversion, as unlike the esp8266, the MKR1000 doesn’t seem to be able to handle that natively.

https://github.com/sborsay/Arduino_Wireless

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Comment on Official ThingSpeak Library for Arduino and Particle by Paul https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-196190 Sun, 03 Apr 2016 07:46:15 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-196190 Is there any way to check that writing data to TS was successful? I’ve got two ESP8266 based boards reporting temperatures to the same channel with a 180 second delay. Due to hardware timing inaccuracies they slowly drift until one is trying to write data within 15 seconds of the other causing it to fail with gaps in my data.

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Comment on Official ThingSpeak Library for Arduino and Particle by Rachel https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-195772 Mon, 21 Mar 2016 15:38:11 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-195772 Hi,

I’m trying to install the library with an Arduino Mega and CC3000 wifi shield … but i get lots of errors if I put this in the code: #include “ThingSpeak.h” (I’ve not made any calls yet)

\Documents\Arduino\libraries\thingspeak\src/ThingSpeak.h:86:8: error: #error Only Arduino Yun, Uno/Mega/Due with either Wired or wi-fi Ethernet shield, ESP8266, and Spark Core/Photon/Electron are supported.

\Documents\Arduino\libraries\thingspeak\src/ThingSpeak.h:1469: error: integer constant is too large for ‘long’ type
\Documents\Arduino\libraries\thingspeak\src/ThingSpeak.h:1469: error: integer constant is too large for ‘long’ type

etc…

Is it just not compatible?

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Comment on Official ThingSpeak Library for Arduino and Particle by Jose https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-195551 Tue, 08 Mar 2016 16:10:43 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-195551 Hi,

I am trying to install the ThingSpeak arduino library, but it is not listed in the arduino IDE’s “manage libraries.” I am using arduino IDE version 1.6.7 under Windows. I searched for the “library_index.json” file, but there is not such file in my system. Is there any other way to install this library?
Thanks.

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Comment on Official ThingSpeak Library for Arduino and Particle by wheato22 https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-195497 Sat, 05 Mar 2016 00:52:32 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-195497 Thanks for the examples. My current project is to use ThingSpeak to log and visualize my residential water use. I’m stuck trying to find or create a Sketch that will enable my Ardunio with Ethernet to write a single byte Field1 representing my water use in gallon every 20 seconds.

I Attempted to use the Write Voltage example but I’m having a problem making ThingSpeak.writeField work with the output of my counter Sketch which is a Volatile Byte data type. I am using digital pin 2 as my sensor input and tried to success no but n I try to wheserialwrite to a serial

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Comment on Reacting to Events in Your Data With MATLAB by Hans https://blogs.mathworks.com/iot/2016/01/21/reacting-to-events-in-your-data-with-matlab/#comment-195407 Fri, 26 Feb 2016 14:02:33 +0000 https://blogs.mathworks.com/iot/?p=1613#comment-195407 In reply to Pete.

Cool project. What are you learning about your Internet? Did you setup an alert, too?

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Comment on Reacting to Events in Your Data With MATLAB by Pete https://blogs.mathworks.com/iot/2016/01/21/reacting-to-events-in-your-data-with-matlab/#comment-195403 Fri, 26 Feb 2016 02:25:37 +0000 https://blogs.mathworks.com/iot/?p=1613#comment-195403 Hey, thanks!

I’m working on monitoring crappy home internet, and want to be notified when it stinks.

This is the ticket!

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Comment on Official ThingSpeak Library for Arduino and Particle by ha https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-194834 Mon, 01 Feb 2016 15:18:17 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-194834 I cant read the value from ReadLastTemperature. It alway show 0 value

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Comment on Official ThingSpeak Library for Arduino and Particle by Falyn YOung https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-194689 Sun, 24 Jan 2016 17:43:03 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-194689 Hello,

I am wondering if there is a way to set the parameters for the time for seconds instead of minutes for more data points.

Thanks.

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Comment on Official ThingSpeak Library for Arduino and Particle by cybericius https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-194681 Sun, 24 Jan 2016 12:30:34 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-194681 No, not compatible with ESP8266 client. Got this error:

WARNING: library ThingSpeak claims to run on [avr] architecture(s) and may be incompatible with your current board which runs on [esp8266] architecture(s).

WeatherStationDemo.ino:33:33: warning: extra tokens at end of #include directive [enabled by default]
WeatherStationDemo.ino:34:34: warning: extra tokens at end of #include directive [enabled by default]
In file included from WeatherStationDemo.ino:36:0:
C:\Users\x\Documents\Arduino\libraries\ThingSpeak\src/ThingSpeak.h:81:8: error: #error Only Arduino Yun, Uno/Mega/Due with either Wired or wi-fi Ethernet shield, and Spark Core/Photon are supported.
#error Only Arduino Yun, Uno/Mega/Due with either Wired or wi-fi Ethernet shield, and Spark Core/Photon are supported.
^
C:\Users\x\Documents\Arduino\libraries\ThingSpeak\src/ThingSpeak.h: In member function ‘bool ThingSpeakClass::writeHTTPHeader(const char*)’:
C:\Users\x\Documents\Arduino\libraries\ThingSpeak\src/ThingSpeak.h:1357:28: error: ‘TS_USER_AGENT’ was not declared in this scope
if (!this->client->print(TS_USER_AGENT)) return false;
^
Error compiling.

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Comment on Official ThingSpeak Library for Arduino and Particle by Muscluman https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-194461 Tue, 12 Jan 2016 21:56:17 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-194461 This library is great. I only miss thinghttp support. Is there an easy way to extend this to cover thinghttp?

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Comment on Counting Cars and Analyzing Traffic by siva https://blogs.mathworks.com/iot/2015/09/18/counting-cars-and-analyzing-traffic-with-thingspeak/#comment-194407 Sun, 10 Jan 2016 10:35:04 +0000 https://blogs.mathworks.com/iot/?p=1509#comment-194407 hi,do rasp pi have the power to run the program continuously.what kind of data is send to thingspeak,is the no.of vehicle.

what type of method did you used to detect vehicle,is it edge detection or backgrpond subtraction

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Comment on Official ThingSpeak Library for Arduino and Particle by Rob Purser https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-194185 Mon, 28 Dec 2015 13:05:27 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-194185 Hi all,

Version 1.1.0 of these libraries now supports ESP8226 devices, the Particle Electron (coming soon!).

You can use these libraries directly from within the Arduino and Particle IDEs.

All the best,
-Rob

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Comment on Official ThingSpeak Library for Arduino and Particle by John Laird https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-192081 Fri, 23 Oct 2015 18:10:10 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-192081 In the Particle Photon Library I canโ€™t get the last two examples WriteMultipleVoltages and WriteVoltage (the ones I need) to compile. I get the following error:

In function `ThingSpeakClass::convertFloatToChar(float, char*)โ€™: ThingSpeak/ThingSpeak.h:1444: undefined reference to `dtostrf(double, signed char, unsigned char, char*)โ€™

The other examples compile fine. Can you fix this?

Thanks!

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Comment on Official ThingSpeak Library for Arduino and Particle by Rob Purser https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-191222 Sat, 10 Oct 2015 23:01:46 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-191222 In reply to Stephen.

I’ve found that sometimes the Arduino IDE caches this info, and then doesn’t always update. Assuming you’re using windows, if you go to the AppData/Arduino15 directory, there’s a file called library_index.json. Quit the Arduino IDE, delete that file, and start it up again, and you should be all set.
On my computer, this file is at:
C:\Users
purser\AppData\Roaming\Arduino15
-Rob

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Comment on Official ThingSpeak Library for Arduino and Particle by Rob Purser https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-191174 Sat, 10 Oct 2015 10:49:40 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-191174 Hi all,

There some good conversations and common issues that people encounter over in the forums:

https://community.thingspeak.com/forum/arduino/thingspeak-communication-library-for-arduino/

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Comment on Official ThingSpeak Library for Arduino and Particle by Stephen https://blogs.mathworks.com/iot/2015/10/09/official-thingspeak-library-for-arduino-and-particle/#comment-191100 Fri, 09 Oct 2015 18:16:26 +0000 https://blogs.mathworks.com/iot/?p=1523#comment-191100 I have 1.6.5r5 installed and there is no ThingSpeak library when checking manage libraries.

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Comment on Collecting Dust Levels with ThingSpeak and ESP8266 Wi-Fi by Hans https://blogs.mathworks.com/iot/2015/08/07/collecting-dust-levels-with-thingspeak-and-esp8266-wi-fi/#comment-187121 Thu, 20 Aug 2015 16:41:06 +0000 https://blogs.mathworks.com/iot/?p=1460#comment-187121 In reply to ashish.

Hi, I just saw your reply… Seeed Studio – http://www.seeedstudio.com/depot/Grove-Dust-Sensor-p-1050.html

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Comment on Collecting Dust Levels with ThingSpeak and ESP8266 Wi-Fi by ashish https://blogs.mathworks.com/iot/2015/08/07/collecting-dust-levels-with-thingspeak-and-esp8266-wi-fi/#comment-186231 Fri, 07 Aug 2015 22:59:55 +0000 https://blogs.mathworks.com/iot/?p=1460#comment-186231 where can I buy the air quality sensor?

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Comment on Living Colours – Passive Mood Detection with a Webcam by Pulpoensalsa https://blogs.mathworks.com/iot/2011/05/24/passive-mood-detection-with-a-webcam/#comment-186036 Wed, 05 Aug 2015 21:07:24 +0000 https://blogs.mathworks.com/iot/?p=646#comment-186036 The links of this article are down. I’ve found one of the links to the blog of the mentioned developer.

http://robmyers.org/2011/04/14/logging_colours_to_thingspeak/

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Comment on There is a Hamster on Twitter Now… Thanks to ThingSpeak, Arduino, and ESP8266 Wi-Fi by kkozyrev https://blogs.mathworks.com/iot/2015/04/20/hamster-on-twitter/#comment-184393 Wed, 15 Jul 2015 10:44:21 +0000 https://blogs.mathworks.com/iot/?p=1432#comment-184393 In reply to tytower.

Hello, I’m alsolooking for such code. how could I connect with u? (no your e-mail)

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Comment on There is a Hamster on Twitter Now… Thanks to ThingSpeak, Arduino, and ESP8266 Wi-Fi by Bill Eason https://blogs.mathworks.com/iot/2015/04/20/hamster-on-twitter/#comment-182520 Mon, 22 Jun 2015 21:21:39 +0000 https://blogs.mathworks.com/iot/?p=1432#comment-182520 In reply to tytower.

Hi tytower,

I bought my first 8266 modules a few months ago, but I’m really just now getting into having them do anything. Your working code would be a great help if you would share that. I don’t see here how to get your email address….?

Thanks!
Bill

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Comment on There is a Hamster on Twitter Now… Thanks to ThingSpeak, Arduino, and ESP8266 Wi-Fi by tytower https://blogs.mathworks.com/iot/2015/04/20/hamster-on-twitter/#comment-181976 Mon, 15 Jun 2015 21:20:57 +0000 https://blogs.mathworks.com/iot/?p=1432#comment-181976 I suggest you take a look at ESP8266. http://www.esp8266.com/index.php
This is truely a standalone $3 solution to the IoT . I have one putting data on thingspeak https://thingspeak.com/channels/38247/ . Note there is no Arduino anywhere. The chip is 5 times faster and holds 16 times as much programming code . Shoot me an email if you want the working code .

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Comment on ThingSpeak Used to Track Luggage for Travel Internet of Things Applications by Dave https://blogs.mathworks.com/iot/2015/01/16/thingspeak-used-to-track-luggage-for-travel-internet-of-things-applications/#comment-180096 Tue, 26 May 2015 01:08:12 +0000 https://blogs.mathworks.com/iot/?p=1378#comment-180096 Yeah, I think airport security might have something to say about a home-made electronic device in my suitcase.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) – Part 2 by hanguyen https://blogs.mathworks.com/iot/2013/06/05/internet-of-things-contest-the-easiest-contest-ever-part-2/#comment-179325 Mon, 18 May 2015 15:31:24 +0000 https://blogs.mathworks.com/iot/?p=1062#comment-179325 here is the video for upload data to thingspeak with ENC28j60 with Arduino. https://www.youtube.com/watch?v=xM8Y0t7ibjo
code i upload to forum already.
https://community.thingspeak.com/forum/arduino/thingspeak-with-enc28j60-arduino/
how to wire
ENC 28J60 & arduino
ENC ARDUINO
Vcc 3.3
SO 12
SCK 13
SI 11
CS 8
Ethercard master lilrary on github

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Comment on Blynk Internet of Things App for Arduino to Support ThingSpeak Web Services by Mike https://blogs.mathworks.com/iot/2015/02/12/blynk-internet-of-things-app-for-arduino-to-support-thingspeak-web-services/#comment-176025 Fri, 24 Apr 2015 13:44:35 +0000 https://blogs.mathworks.com/iot/?p=1416#comment-176025 Instructable page not found ๐Ÿ™

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Comment on Database Performance Upgrades #featurefriday by turgo https://blogs.mathworks.com/iot/2015/01/30/database-performance-upgrades/#comment-174698 Wed, 15 Apr 2015 00:19:55 +0000 https://blogs.mathworks.com/iot/?p=1383#comment-174698 Awesome! Downloading the entire dataset was painful before. Thanks for your service!

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Comment on Templates for Plugin Widgets #featurefriday by kraut https://blogs.mathworks.com/iot/2014/12/12/template-for-plugin-widgets/#comment-160510 Wed, 07 Jan 2015 17:10:25 +0000 https://blogs.mathworks.com/iot/?p=1337#comment-160510 Hoi, i just created my own plugin with your references to bring air humidity and temperature into one graph:

https://thingspeak.com/plugins/7289

The problem is, that the values between air humidity and temperature are to different, so the scaling isn’t useful for that graph. Is it possible to display one value on the left and the other one on the right, so they could overlap?

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Comment on ThingSpeak Introduces New Internet of Things App – TimeControl by lee https://blogs.mathworks.com/iot/2014/09/26/thingspeak-introduces-new-internet-of-things-app-timecontrol/#comment-153325 Sun, 14 Dec 2014 14:24:20 +0000 https://blogs.mathworks.com/iot/?p=1292#comment-153325 In reply to Bontor.

Currently you canโ€™t add a TimeControl via HTTP request, but we will add that functionality in the future.

lee

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Comment on ThingSpeak Introduces New Internet of Things App – TimeControl by Bontor https://blogs.mathworks.com/iot/2014/09/26/thingspeak-introduces-new-internet-of-things-app-timecontrol/#comment-153321 Sun, 14 Dec 2014 14:07:43 +0000 https://blogs.mathworks.com/iot/?p=1292#comment-153321 Can I add new timecontrol using HTTP request? I would like to be able to create and delete timecontrol/schedule through my app

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Comment on Cigar Humidor Updates Twitter – Powered by ThingSpeak and Arduino by safak https://blogs.mathworks.com/iot/2014/04/04/cigar-humidor-updates-twitter-powered-by-thingspeak-and-arduino/#comment-143138 Mon, 24 Nov 2014 21:33:46 +0000 https://blogs.mathworks.com/iot/?p=1178#comment-143138 The link (http://cava.cuadratic.com/) doesn’t open. Can U share this project here ?

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Comment on ThingSpeak Introduces New Internet of Things App – TimeControl by Introducing TimeControl - Set Schedules for ioBridge Widgets - ioBridge Blog https://blogs.mathworks.com/iot/2014/09/26/thingspeak-introduces-new-internet-of-things-app-timecontrol/#comment-109801 Fri, 10 Oct 2014 16:17:46 +0000 https://blogs.mathworks.com/iot/?p=1292#comment-109801 […] [via ThingSpeak Community] […]

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Comment on Real-time Gas Sensor System with Microsoft Gadgeteer and ThingSpeak by Gabriel https://blogs.mathworks.com/iot/2012/11/21/real-time-gas-sensor-system-with-microsoft-gadgeteer-and-thingspeak/#comment-90504 Wed, 12 Mar 2014 18:59:46 +0000 https://blogs.mathworks.com/iot/?p=1015#comment-90504 great points altogether, you simply received a brand new reader.
What would you suggest in regards to your publish that you just made some days
ago? Any certain?

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Comment on Real-time Gas Sensor System with Microsoft Gadgeteer and ThingSpeak by Karen https://blogs.mathworks.com/iot/2012/11/21/real-time-gas-sensor-system-with-microsoft-gadgeteer-and-thingspeak/#comment-90395 Tue, 11 Mar 2014 04:20:32 +0000 https://blogs.mathworks.com/iot/?p=1015#comment-90395 Loved this video! Whilst reading this information is certainly a great way to familiarise yourself with it, sometimes visually seeing it can give you a better understanding (and this was certainly the case today).

Thanks for sharing, both article and video were very informative on the topic and I have certainly come away with a few bits and pieces!

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Comment on Introducing TalkBack, the New Internet of Things App to Control Things with the ThingSpeak Cloud by Mikael Patel https://blogs.mathworks.com/iot/2014/01/21/introducing-talkback-the-new-internet-of-things-app-to-control-things-with-the-thingspeak-cloud/#comment-90132 Sat, 08 Mar 2014 16:11:55 +0000 https://blogs.mathworks.com/iot/?p=1152#comment-90132 In reply to lee.

Hi Lee. Thanks for the swift reply.

My guess is that, for instance, space would not be a very good character to use as the command string is passed in a HTTP POST request.

It would be nice to come to some convention on formatting the command string with and without parameters and possible object reference.

Following the HTTP convention we could use plus(+) as a replacement for space or ampersand(&) and parameter names.

LED+0
LED&state=0

There is also a need for a syntax for commands where there might be several instances and an object reference (or index) is used.

LED3+0
LED+3+0
LED&id=3&state=0

Using an instance references helps reduce the command dispatch. The parameter notation with ampersand might not be a good idea as the whole string is the command to be added. It is actually the add command usecase that need most attention as the execute next command returns the string in the body of the reply.

Cheers!

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Comment on Introducing TalkBack, the New Internet of Things App to Control Things with the ThingSpeak Cloud by lee https://blogs.mathworks.com/iot/2014/01/21/introducing-talkback-the-new-internet-of-things-app-to-control-things-with-the-thingspeak-cloud/#comment-90125 Sat, 08 Mar 2014 15:00:03 +0000 https://blogs.mathworks.com/iot/?p=1152#comment-90125 In reply to Mikael Patel.

Hi Mikael,

The only restrictions on the syntax of the TalkBack command is that they are UTF8 strings with max length of 255.

lee

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Comment on Introducing TalkBack, the New Internet of Things App to Control Things with the ThingSpeak Cloud by Mikael Patel https://blogs.mathworks.com/iot/2014/01/21/introducing-talkback-the-new-internet-of-things-app-to-control-things-with-the-thingspeak-cloud/#comment-90109 Sat, 08 Mar 2014 11:21:34 +0000 https://blogs.mathworks.com/iot/?p=1152#comment-90109 This is a great extension to the ThingSpeak channel handling. I have implemented support for “get next command” and “add command” in Cosa, an object-oriented platform for Arduino.

Now for a question: I am considering using the command string to identify “object” and also pass parameters. Are there any restrictions on the “syntax” of the command string?

More details on the Cosa issue list;
https://github.com/mikaelpatel/Cosa/issues/133
https://github.com/mikaelpatel/Cosa/issues/134

The demo channels are tagged Cosa.

Cheers!

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Comment on Introducing TalkBack, the New Internet of Things App to Control Things with the ThingSpeak Cloud by Hans https://blogs.mathworks.com/iot/2014/01/21/introducing-talkback-the-new-internet-of-things-app-to-control-things-with-the-thingspeak-cloud/#comment-89227 Tue, 25 Feb 2014 23:21:19 +0000 https://blogs.mathworks.com/iot/?p=1152#comment-89227 In reply to Andrew Doodson.

The why might be since the Yun can deploy serial over Wi-Fi and it is waiting for the serial port to be established. Not completely sure though. Glad it works!

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Comment on Introducing TalkBack, the New Internet of Things App to Control Things with the ThingSpeak Cloud by Andrew Doodson https://blogs.mathworks.com/iot/2014/01/21/introducing-talkback-the-new-internet-of-things-app-to-control-things-with-the-thingspeak-cloud/#comment-89211 Tue, 25 Feb 2014 16:43:48 +0000 https://blogs.mathworks.com/iot/?p=1152#comment-89211 In reply to Hans.

Perfect! Worked as you say, this was the last hurdle of many for me, do you know why: while(!Serial); is used in some sketches but not others in terms of MAKING the code wait for the Serial Monitor? Thanks so much for your help ๐Ÿ™‚

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Comment on Introducing TalkBack, the New Internet of Things App to Control Things with the ThingSpeak Cloud by Hans https://blogs.mathworks.com/iot/2014/01/21/introducing-talkback-the-new-internet-of-things-app-to-control-things-with-the-thingspeak-cloud/#comment-88997 Fri, 21 Feb 2014 17:48:12 +0000 https://blogs.mathworks.com/iot/?p=1152#comment-88997 In reply to Andrew Doodson.

Try removing line 62 of the sketch: while(!Serial);

(https://github.com/iobridge/ThingSpeak-Arduino-Examples/blob/master/Yun/TalkBack_to_Arduino.ino)

I think this while waits until the serial monitor opens before continuing through the Arduino sketch.

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Comment on Introducing TalkBack, the New Internet of Things App to Control Things with the ThingSpeak Cloud by Andrew Doodson https://blogs.mathworks.com/iot/2014/01/21/introducing-talkback-the-new-internet-of-things-app-to-control-things-with-the-thingspeak-cloud/#comment-88996 Fri, 21 Feb 2014 17:43:48 +0000 https://blogs.mathworks.com/iot/?p=1152#comment-88996 Hi All,

Has anyone got this working on the Yun when just using Wifi and not tethered to a computer having the serial monitor open, it only seems to work for me when i’ve got the IDE open and the serial monitor open as well, any clues on this one?

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Comment on Introducing TalkBack, the New Internet of Things App to Control Things with the ThingSpeak Cloud by Randolph Garrison https://blogs.mathworks.com/iot/2014/01/21/introducing-talkback-the-new-internet-of-things-app-to-control-things-with-the-thingspeak-cloud/#comment-87178 Tue, 21 Jan 2014 21:04:07 +0000 https://blogs.mathworks.com/iot/?p=1152#comment-87178 There is a great deal of potential here, especially for people getting older like me. Add cameras and microphones and possibly medical monitors that a family member could securely monitor and communicate.

Security is and always will be the weak point. A strong challenge and response on an independent connection is really needed before I could feel good about this type of setup.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) – Part 2 by hfb https://blogs.mathworks.com/iot/2013/06/05/internet-of-things-contest-the-easiest-contest-ever-part-2/#comment-78006 Sun, 09 Jun 2013 02:12:03 +0000 https://blogs.mathworks.com/iot/?p=1062#comment-78006 Here’s my entry! Hopefully this is a good way to enter!

SmartThings to ThingSpeak Python Script for Logging and Trends
http://youtu.be/6it_Hp3b744

More information can be found on my blog post about it.
http://amazingrcvideos.blogspot.com/2013/06/smartthings-to-thingspeak-python-script.html

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) – Part 2 by chiva https://blogs.mathworks.com/iot/2013/06/05/internet-of-things-contest-the-easiest-contest-ever-part-2/#comment-77946 Thu, 06 Jun 2013 16:05:27 +0000 https://blogs.mathworks.com/iot/?p=1062#comment-77946 Here is my entry!
A Raspberry Pi Status and Performance Monitor ๐Ÿ˜€
http://youtu.be/oscFKqBlUB0

Using React you can warn yourself so you won’t end up with a full rootfs when running for long periods of time unattended, which isn’t very good. Critical when you don’t have physical access to it. Nice!

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Comment on Open Source ThingSpeak Updates by Peter Hart-Davis https://blogs.mathworks.com/iot/2013/02/19/open-source-thingspeak-updates/#comment-66649 Tue, 26 Feb 2013 14:24:30 +0000 https://blogs.mathworks.com/iot/?p=1025#comment-66649 Excellent. Thank you very much. Looking forward to the major release.

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Comment on Send Tweets using Arduino Ethernet [Updated Tutorial] by Hans https://blogs.mathworks.com/iot/2012/12/07/send-tweets-using-arduino-ethernet-updated-tutorial/#comment-66118 Wed, 20 Feb 2013 13:57:51 +0000 https://blogs.mathworks.com/iot/?p=1022#comment-66118 In reply to CorB.

Thanks!

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Comment on Send Tweets using Arduino Ethernet [Updated Tutorial] by CorB https://blogs.mathworks.com/iot/2012/12/07/send-tweets-using-arduino-ethernet-updated-tutorial/#comment-66107 Wed, 20 Feb 2013 12:40:43 +0000 https://blogs.mathworks.com/iot/?p=1022#comment-66107 Thanks for providing this great service !

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Comment on Let’s Get the Conversation Started by Michele https://blogs.mathworks.com/iot/2011/01/19/lets-get-the-conversation-started/#comment-60560 Thu, 03 Jan 2013 14:11:21 +0000 https://blogs.mathworks.com/iot/?p=12#comment-60560 Hi,
i am a new Italian user of ThingSpeak.

Congratz for the site, really nice & useful!

In the mail menu
“HOME CANALI APPICAZIONI CARATTERISTICHE”
there is an error of translation:
APPICAZIONI is wrong, it should be “APPLICAZIONI”

hope this help a bit ๐Ÿ™‚

Michele

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Comment on Smart Home Project with ThingSpeak, Arduino, chipKIT, and Drupal by Rick Anderson https://blogs.mathworks.com/iot/2012/05/11/smart-home-project-with-thingspeak-arduino-chipkit-and-drupal/#comment-35697 Fri, 07 Sep 2012 19:16:03 +0000 https://blogs.mathworks.com/iot/?p=941#comment-35697 They got the A.

–Rick

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Comment on Getting Started with ThingSpeak – Video Tutorials by Charlie https://blogs.mathworks.com/iot/2012/03/26/getting-started-with-thingspeak-video-tutorials/#comment-27306 Fri, 15 Jun 2012 15:50:54 +0000 https://blogs.mathworks.com/iot/?p=936#comment-27306 Something good, 1 place for all the videos

Thanks for coming up with this idea. It would surely help , a lot , on their way.

regards

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Comment on ThingSpeak ‘Speaks’ Brazilian Portuguese by Paulo Soares https://blogs.mathworks.com/iot/2011/10/14/thingspeak-speaks-brazilian-portuguese/#comment-5750 Thu, 03 Nov 2011 23:55:35 +0000 https://blogs.mathworks.com/iot/?p=820#comment-5750 De nada (you’re welcome)

๐Ÿ™‚

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Comment on Arduino 1.0 to ThingSpeak Sketch by ram_tenet https://blogs.mathworks.com/iot/2011/10/17/arduino-to-thingspeak-sketch/#comment-4820 Tue, 18 Oct 2011 07:34:16 +0000 https://blogs.mathworks.com/iot/?p=838#comment-4820 This is great news ! I am going to try this out as well !

Ram

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Comment on Tracking Office Temperature with FEZ Cobra (user project) by thingspeak https://blogs.mathworks.com/iot/2011/04/02/tracking-office-temperature-with-fez-cobra-user-project/#comment-4138 Thu, 29 Sep 2011 16:28:47 +0000 https://blogs.mathworks.com/iot/?p=492#comment-4138 In reply to foxxjnm.

Thanks for providing the information for your excellent project!

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Comment on Tracking Office Temperature with FEZ Cobra (user project) by foxxjnm https://blogs.mathworks.com/iot/2011/04/02/tracking-office-temperature-with-fez-cobra-user-project/#comment-4137 Thu, 29 Sep 2011 16:27:32 +0000 https://blogs.mathworks.com/iot/?p=492#comment-4137 The link to the entire project is on my download page: http://foxxjnm.wordpress.com/downloads/

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Comment on Tracking Office Temperature with FEZ Cobra (user project) by foxxjnm https://blogs.mathworks.com/iot/2011/04/02/tracking-office-temperature-with-fez-cobra-user-project/#comment-4135 Thu, 29 Sep 2011 15:53:02 +0000 https://blogs.mathworks.com/iot/?p=492#comment-4135 In reply to Stefaan Vandevelde.

The part that talks to TS is very simple:
if (lastUpdate.Ticks < DateTime.Now.Subtract(new TimeSpan(0, 0, 300)).Ticks)
{

using (HttpWebRequest req = (HttpWebRequest)WebRequest.Create("http://api.thingspeak.com/update?key="+APIKey+"&field1=&quot; + t.GetTemperatureFahrenheit().ToString()))
{
using (HttpWebResponse res = (HttpWebResponse)req.GetResponse())
{
using (StreamReader sr = new StreamReader(res.GetResponseStream()))
{
response = sr.ReadToEnd();
if (response != "")
{
lastUpdate = DateTime.Now;
}
}
}
}

}

If you need more than this, or any explanation, please feel free to let me know.

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Comment on Tracking Office Temperature with FEZ Cobra (user project) by Stefaan Vandevelde https://blogs.mathworks.com/iot/2011/04/02/tracking-office-temperature-with-fez-cobra-user-project/#comment-4108 Wed, 28 Sep 2011 15:13:14 +0000 https://blogs.mathworks.com/iot/?p=492#comment-4108 I’d like do do something similar on the FEZ Cobra.
Would you share the code of the office temperature project ? (I’m only interested in the part that talks to ThingSpeak)

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Comment on You Can Learn from Sensor Data by Peter Hart-Davis https://blogs.mathworks.com/iot/2011/06/02/you-can-learn-from-sensor-data/#comment-2034 Tue, 21 Jun 2011 08:15:04 +0000 https://blogs.mathworks.com/iot/?p=679#comment-2034 Kind of relevant. http://www.wired.com/magazine/2011/06/ff_feedbackloop/ “Feedback Loops Are Changing What People Do”

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Comment on Web of Things Hackathon by chrisjx https://blogs.mathworks.com/iot/2011/06/07/web-of-things-hackathon/#comment-1615 Tue, 07 Jun 2011 20:16:55 +0000 https://blogs.mathworks.com/iot/?p=686#comment-1615 Looking forward to it… See you all there.

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Comment on Living Colours – Passive Mood Detection with a Webcam by ChrisJx https://blogs.mathworks.com/iot/2011/05/24/passive-mood-detection-with-a-webcam/#comment-1176 Tue, 24 May 2011 20:56:35 +0000 https://blogs.mathworks.com/iot/?p=646#comment-1176 I created a chart application to detect the amount of ambient light each day. I used the image from a cam and for each image I ran through the pixels, line by line, and averaged the luminance of all the pixels. The images were taken every minute, so I could develop a daily chart of the amount of light within the cameras view. Didn’t have access to a simple ambient light sensor, but this worked quite well.

I am intrigued by the possibility of re-appropriating data to understand some unintended perspective.

Interesting recent book from O’Reily:
Data Source Handbook: A Guide to Public Data
http://oreilly.com/catalog/0636920018254

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Comment on Contest Update by Gizmoman https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-723 Wed, 20 Apr 2011 17:18:27 +0000 https://blogs.mathworks.com/iot/?p=579#comment-723 Received the Gift. Thank you for the contest and all the great work you guys are doing.

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Comment on Contest Update by Brett Jones https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-717 Wed, 20 Apr 2011 14:34:11 +0000 https://blogs.mathworks.com/iot/?p=579#comment-717 I got the gift certificate, thank you so much! I promise to *try* to use it for good and not evil.

Do you think I can put “major award” winner on my resume? It sounds better than “Easiest Contest In The World Winner”. ๐Ÿ˜€

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Comment on Contest Update by Frank https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-716 Wed, 20 Apr 2011 13:19:55 +0000 https://blogs.mathworks.com/iot/?p=579#comment-716 I got it, thank you very much!

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Comment on Contest Update by Harrison https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-713 Wed, 20 Apr 2011 06:12:13 +0000 https://blogs.mathworks.com/iot/?p=579#comment-713 I received my gift certificate today as well. Thanks again for running this great contest and service.

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Comment on Contest Update by thingspeak https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-711 Wed, 20 Apr 2011 04:57:25 +0000 https://blogs.mathworks.com/iot/?p=579#comment-711 In reply to willnue.

Thanks for noticing. We basically doubled in size in 7 days! Glad you had a great experience so far. We will all keep pushing.

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Comment on Contest Update by willnue https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-709 Wed, 20 Apr 2011 04:40:23 +0000 https://blogs.mathworks.com/iot/?p=579#comment-709 Received mine as well. I just added a few new channels and see the count is now up to well over 500! I think the contest was a success.

Thanks for building such a great service,
willnue

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Comment on Contest Update by Paul asselin https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-702 Tue, 19 Apr 2011 21:49:26 +0000 https://blogs.mathworks.com/iot/?p=579#comment-702 Received mine, thank you so much for this generous contest.
Will hopefully build more projects with Thingspeak.
Sincerely
Paul

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Comment on Contest Update by Evan Teitelman https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-700 Tue, 19 Apr 2011 20:27:02 +0000 https://blogs.mathworks.com/iot/?p=579#comment-700 Thanks, I have received my gift certificate and I have confirmed that it works.

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Comment on Contest Update by outlet https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-699 Tue, 19 Apr 2011 20:11:28 +0000 https://blogs.mathworks.com/iot/?p=579#comment-699 I got my certificate also, thank you much for hosting this contest!

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Comment on Contest Update by Omar https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-696 Tue, 19 Apr 2011 19:20:19 +0000 https://blogs.mathworks.com/iot/?p=579#comment-696 I just got the code, thanks a bunch! Next project will be ThingSpeak related, I already have a few ideas. I hope to see more projects involving thingspeak at the netduino forums, I’ll try and get that rolling with a few projects.

P.S. You guys should give yourselves a gift certificate, you’ve done a great job ๐Ÿ™‚

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Comment on Contest Update by ibtek https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-695 Tue, 19 Apr 2011 19:06:07 +0000 https://blogs.mathworks.com/iot/?p=579#comment-695 Thank you for the great gift certificate, it will definitely be used for my next ThingSpeak related project!

All the best,
Marc

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Comment on Contest Update by Jason Fox https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-694 Tue, 19 Apr 2011 18:48:39 +0000 https://blogs.mathworks.com/iot/?p=579#comment-694 Received mine as well! Thank you so much! Netduino Mini and a few odds and ends on the way! Nice!

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Comment on Computer Resource Monitor with Python and ThingSpeak by Australian Robotics https://blogs.mathworks.com/iot/2011/04/19/computer-resource-monitor-with-python-and-thingspeak/#comment-693 Tue, 19 Apr 2011 18:37:01 +0000 https://blogs.mathworks.com/iot/?p=588#comment-693 Thanks Thingspeak for the gift certificate– maybe I’ll buy myself an mBed or an LPC1768 dev board. Great extrapolation of the possible uses of a resource monitor, it would indeed be useful for monitoring servers, render farms or scientific number crunchers!

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Comment on Contest Update by Rob Myers https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-690 Tue, 19 Apr 2011 17:31:54 +0000 https://blogs.mathworks.com/iot/?p=579#comment-690 Thank you so much for the gift certificate!

I’ve had some good feedback for my entry, and learnt some useful new skills as well so this feels like at least a triple win…

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Comment on Contest Update by Eric Hall https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-689 Tue, 19 Apr 2011 17:24:00 +0000 https://blogs.mathworks.com/iot/?p=579#comment-689 A very generous contest! I received my certificate and now need to figure out what’s on the top of my SparkFun wishlist. Thanks!

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Comment on Contest Update by Chiva https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-688 Tue, 19 Apr 2011 17:14:18 +0000 https://blogs.mathworks.com/iot/?p=579#comment-688 I received the gift certificate correctly, thanks a lot!!
I have been following the development of ThingSpeak since it started and it seems to have a brilliant future, keep up the good work!!

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Comment on Contest Update by bill welch https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-687 Tue, 19 Apr 2011 17:13:36 +0000 https://blogs.mathworks.com/iot/?p=579#comment-687 Thank you very much for the gift certificate. I am surprised, since my entry was just a minor tweak to Chris’s original idea — I went thru the steps mainly to get hands-on experience with your project. I plan to do a more useful and perhaps original project in the near future, time-permitting. Thanks again!

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Comment on Contest Update by make.larsi.org https://blogs.mathworks.com/iot/2011/04/18/contest-update/#comment-686 Tue, 19 Apr 2011 17:11:30 +0000 https://blogs.mathworks.com/iot/?p=579#comment-686 I just received my gift certificate – thank you so much. This was fun and I learnt a lot.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by willnue https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-655 Mon, 18 Apr 2011 07:24:28 +0000 https://blogs.mathworks.com/iot/?p=531#comment-655 I hope I’m not too late to the party!

My project involves a 1-Wire temperature network in combination with a Windows application I built called Seriot to log the data and send it to ThingSpeak. The application supports any serial device and supports running in Interactive, background and batch modes. See the charts link below for my latest sensor readings.

Temperature Sensor Network:
http://nuewire.com/2011/04/easy-arduino-1-wire-sensor-network/

Seriot logging application:
http://nuewire.com/seriot/

Charts:
http://nuewire.com/things/

willnue

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Lars Schumann https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-645 Mon, 18 Apr 2011 00:03:13 +0000 https://blogs.mathworks.com/iot/?p=531#comment-645 I might be late, but here is my weather station:

I used an Arduino, but I did not want to use the Ethernet Shield. The data is sent out over the serial port. A Processing sketch is listening to the serial port, graphs everything, and sends the data to ThingSpeak every 5 minutes. It shows how to connect to ThingSpeak in Processing (basically Java).

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Rob Myers https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-644 Sun, 17 Apr 2011 21:20:30 +0000 https://blogs.mathworks.com/iot/?p=531#comment-644 Here’s my entry, a script that keeps track of the colours in my studio,

complete with jQuery display of the data as suggested. ๐Ÿ™‚

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by ibtek https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-635 Sun, 17 Apr 2011 05:55:32 +0000 https://blogs.mathworks.com/iot/?p=531#comment-635 For Arduino powered devices, your API is sooo nice to work with! I can think of a million things to try but alas there is only so much time.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Andrew https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-624 Sat, 16 Apr 2011 08:31:58 +0000 https://blogs.mathworks.com/iot/?p=531#comment-624 Thingspeak integrates really well with my existing application and makes monitoring from outside the network a lot easier.

http://www.quicktrip.co.nz/jaqblog/home/41-blogthingspeak

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Keegan https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-610 Fri, 15 Apr 2011 12:56:43 +0000 https://blogs.mathworks.com/iot/?p=531#comment-610 Here’s mine:
http://keeganmann.wordpress.com/2011/04/15/thingspeak-light-sensor-test/

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Harrison https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-606 Fri, 15 Apr 2011 05:38:13 +0000 https://blogs.mathworks.com/iot/?p=531#comment-606 Here is my project:
It’s an ethernet connected ‘weather station’ that uploads temperature and humidity data to ThingSpeak. It uses a Propeller Chip and a SHT11 sensor and is completely self contained only requiring an Ethernet connection (no PC needed).

BTW: I love ThingSpeak. I used to use rrdtool and a custom PHP frontend to graph sensor data. It wasn’t nearly as flexible or ‘cool’ as ThingSpeak.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Jamie https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-600 Thu, 14 Apr 2011 23:35:07 +0000 https://blogs.mathworks.com/iot/?p=531#comment-600 Here is my project:
http://roebuj.blogspot.com/2011/04/it-all-started-last-spring.html

It currently is monitoring my attic temperature and computer closet in my basement. I plan to have several other sensors throughout the house and outside in an effort to make my house more efficient. Check my blog for more details and information about the project.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Jamie https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-599 Thu, 14 Apr 2011 23:31:55 +0000 https://blogs.mathworks.com/iot/?p=531#comment-599 Here is my project. It currently is monitoring my attic temperature and computer closet in my basement. I plan to have several other sensors throughout the house and outside in an effort to make my house more efficient. Check my blog for more details and information about the project.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Jamie https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-598 Thu, 14 Apr 2011 23:13:47 +0000 https://blogs.mathworks.com/iot/?p=531#comment-598 Here is my project! Thanks for the great service ThingSpeak! I look forward to all the future use. Check my blog for more details on the project.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Paul Asselin https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-587 Wed, 13 Apr 2011 20:34:28 +0000 https://blogs.mathworks.com/iot/?p=531#comment-587 http://asselinpaul.posterous.com/shower-time-analysis-thingspeak-contest
Yep, this is my entry for the contest.
I’m pretty happy with the services, there quick to setup and pretty clear, keep up the good work.

Sincerely
Paul

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Brett Jones https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-585 Wed, 13 Apr 2011 18:57:55 +0000 https://blogs.mathworks.com/iot/?p=531#comment-585 I wrote a quick .net class to put in my applications that will utilize ThingSpeak. It currently posts data only (Data Fields, Status Updates and Location) but will be expanded to display a graph or parse through the data.

http://cobwebsonmymind.wordpress.com/2011/04/13/thingspeak-net-class/

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Chiva https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-584 Wed, 13 Apr 2011 18:12:26 +0000 https://blogs.mathworks.com/iot/?p=531#comment-584 Here is mine, it is based on Australian Robotics entry!
It updates a channel with the pixel distance the mouse has travelled each 20 seconds.
Just to let you know, Pixance = Pixel + Distance
https://github.com/chiva/Pixance

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by bill welch https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-582 Wed, 13 Apr 2011 15:57:47 +0000 https://blogs.mathworks.com/iot/?p=531#comment-582 Here’s my entry: http://bvwelch.com/?p=195

It monitors the disk space on my server so I can quickly see if disk space is low… It is a modification of Chris’s nice cpu applet, and I also graph it on my WordPress blog.

To be practical, I only update once an hour, so it will take a few days before the graph looks nice.

Note I do give Chris full credit for the original idea, but I hope I’ve shown a useful variation and folks will think — ‘hey I can do better than that’.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Frank Zhao https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-577 Wed, 13 Apr 2011 06:37:13 +0000 https://blogs.mathworks.com/iot/?p=531#comment-577 Here is my submission:

http://frank.circleofcurrent.com/thingspeak_mbed_tut1/

I never knew you guys existed, ThingSpeak is awesome. I’ve been looking for a datalogging database solution for embedded stuff, and Google Data API seemed like overkill for small microcontrollers.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Evan Teitelman https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-574 Wed, 13 Apr 2011 01:23:25 +0000 https://blogs.mathworks.com/iot/?p=531#comment-574 Hopefully I’m not too late.
Here’s my project: paradoxial

It’s a random number generator.

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by thingspeak https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-572 Tue, 12 Apr 2011 22:56:05 +0000 https://blogs.mathworks.com/iot/?p=531#comment-572 In reply to Australian Robotics.

Congrats – you are our first winner. The blog post is excellent. I will add a link from our tutorials page for Python scripting. Thanks!

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by thingspeak https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-570 Tue, 12 Apr 2011 16:32:56 +0000 https://blogs.mathworks.com/iot/?p=531#comment-570 In reply to andy.

We will stop when we run out of gift certificates – we have 20…

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by andy https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-569 Tue, 12 Apr 2011 16:31:23 +0000 https://blogs.mathworks.com/iot/?p=531#comment-569 when is the deadline?

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Comment on Internet of Things Contest (aka The Easiest Contest Ever) by Australian Robotics https://blogs.mathworks.com/iot/2011/04/11/internet-of-things-contest-aka-the-easiest-contest-ever/#comment-564 Tue, 12 Apr 2011 05:21:20 +0000 https://blogs.mathworks.com/iot/?p=531#comment-564 My entry: How to Talk To ThingSpeak With Python (A Memory/CPU Monitor)

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Comment on Device Registration and MAC Addresses by thingspeak https://blogs.mathworks.com/iot/2011/03/25/device-registration-and-mac-addresses/#comment-332 Sat, 26 Mar 2011 17:31:59 +0000 https://blogs.mathworks.com/iot/?p=473#comment-332 In reply to tamberg.

If you use the globally unique option, the address is pulled from our address block and reserved indefinitely for that device.

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Comment on Device Registration and MAC Addresses by tamberg https://blogs.mathworks.com/iot/2011/03/25/device-registration-and-mac-addresses/#comment-330 Sat, 26 Mar 2011 16:34:01 +0000 https://blogs.mathworks.com/iot/?p=473#comment-330 Hi, how does your service prevent clashes with existing MAC Addresses? Cheers,
tamberg

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Comment on ThingSpeak is (Open) by wta https://blogs.mathworks.com/iot/2011/02/16/thingspeak-is-open/#comment-22 Fri, 18 Feb 2011 23:23:51 +0000 https://blogs.mathworks.com/iot/?p=289#comment-22 This is awesome!

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Comment on Things are Heating Up by thingspeak https://blogs.mathworks.com/iot/2011/01/28/things-are-heating-up/#comment-7 Mon, 31 Jan 2011 20:56:50 +0000 https://blogs.mathworks.com/iot/?p=234#comment-7 In reply to Frank Allen.

We just took the invite code off for registration. Feel free to sign up at https://thingspeak.com/ โ€“ and let us know if you have any questions.

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Comment on Things are Heating Up by Frank Allen https://blogs.mathworks.com/iot/2011/01/28/things-are-heating-up/#comment-5 Sun, 30 Jan 2011 11:22:55 +0000 https://blogs.mathworks.com/iot/?p=234#comment-5 Looking for an invite code ! Just an old retired geek that has been smiling a lot with the Netduino Plus and C#.

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