ESP8266

 

https://arduino.esp8266.com/stable/package_esp8266com_index.json

https://www.youtube.com/watch?v=hykmUZGYh2g

https://www.youtube.com/watch?v=GGfbMDHwsQI

https://www.tecnopura.com/producto/modulo-wifi-esp8266-esp-12-nodemcu-v1-0-rev-2-0-compatible-plataforma-arduino/