In this video we'll take a look at using Telegram messenger to control LED lights using an ESP8266 node mcu board
code link and connection daigram - https://github.com/ajaynikam2410/home...
Part List-
esp8266/node mcu - https://amzn.to/2O0qcgb
or esp32- https://amzn.to/2XOJWrN
jumper wires - https://amzn.to/2lwYXMm
4ch relay module- https://amzn.to/2Sk9abg