WiFi R3 ATmega2560 ESP8266 Wemos Mega 32Mb Memory CH340G USB-TTL NodeMCU Module
15,33 €
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. The board has DIP-switch, to connect the modules.
Jetzt bei Ebay: