https://blogs.mathworks.com/iot/2012/06/27/a-twitter-powered-gumball-machine-built-on-thingspeak-arduino/?s_tid=feedtopost Hans Scharler is an Internet of Things pioneer. He writes about IoT and ThingSpeak IoT platform features. Mon, 20 May 2019 14:52:33 +0000 hourly 1 https://wordpress.org/?v=6.1.1