i have arduino and wifi module esp8266 on tx side , i want to control relay using only wi fi at rx side.
is it possible to do that??
if not then how could i do that??
thanks
1) USB to UART Converter(Must be 3.3v). This can be FT232RL or CP2102 Modules.
2) https://github.com/esp8266/Arduino
In this site you can see how you will upload your sketch to your ESP8266 Module.