Wireless controller
Schematics
¨Video
https://www.youtube.com/watch?v=kVCjlzbGizE
Code
Arduino UNO + W5100 + MCP23008 + Wireless controller + 4 LED
Cayenne-MCP23008-4LED-4Button433MHz.txt (3.2 KB)
NodeMCU + MCP23008 + Wireless controller + 4 LED
Cayenne-ESP8266-MCP23008-4LED-4Button433MHz.txt (3.4 KB)
More codes cooming soon.