CH340G CH340 USB TTL Serial Adapter UART FTDI Router Upgrade ESP8266 Arduino
USB TTL Serial Adapter CH340 FTDI 3.3V 5.5V FTDI USB to TTL Serial Adapter Modul. USB TTL Serial Adapter CH340 FTDI 3.3V 5.5V FTDI USB to TTL Serial Adapter Module. 1 x USB TTL Serial Adapter CH340 includes dupont cables.