mqtt controller test and demonstration
Home Controller based on Wemos D1 mini
Dimentions: 49x39x19 mm
has 2 triac out, 2 pwm out, 2 buttons, 1 analog input and
2 Temperature Sensors inputs for ds18b20 and DHT22.
https://github.com/hjltu/hjhome
https://www.ebay.com/itm/254534654473