WeMOS Mega + WiFi R3 ATmega2560 + ESP8266 USB-TTL for Arduino Mega ENVIO RAPIDO
21,02 €
And everyone has their own pinout headers. For this on board have the USB-serial converter CH340G. USB<->ESP8266 (Update firmware or sketch). USB<->ESP8266 (communication). ENVIO DESDE ESPAÑA CON ASM TRANSPORTE URGENTE.
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