Wemos Mega WiFi R3 ATmega2560 ESP8266 32Mb Memory CH340G USB-TTL NodeMCU Module
16,46 €
USB<->ESP8266 (Update firmware or sketch) OFF OFF OFF OFF ON ON ON. USB<->ESP8266 (communication) OFF OFF OFF OFF ON ON OFF. For this on board have the USB-serial converter CH340G. Use this board is very simple.
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