On / off control via IR of a split unit Air Conditioner

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What kind of device? Check out this post, I tried and built my own TV and Fan control

Make a "dumb" fan "smart" using cheapo ESP8266 board controllable via ST (universal IR remote)

Hi guys, I’ve been working on a project to make my “dumb” fan “smart”, initially I was going to use a RPi but the board is kind of large and not really portable. Then I discovered this ESP8266 board, it’s tiny, cheap, has Wifi built-in and requires no SD cards. Now my fan is “smart”, it can be controlled from ST, Alexa, ST smartTile dashboard. It’s powered by 2 AA batteries (completely wireless). I’m not really good at describing so please see for yourself: demo video here, and some photos here The hardware includes: ESP8266 board, small breadboard, AA batter holder (3v total), and the IR kit Software includes: Arduino framework: To program ESP8266 using Arduino IDE IRremote ESP8266 Library: To receive/transmit IR, use this code to get the IR code and this code as the main sketch …