USB To RS232 TTL CH340G Converter Module 5v 3.3v Serial Port Module PL2303 UK
CH340 module instead of PL2303, CH340G RS232 to TTL module upgrade USB to serial port in nine Brush small plates. 1PCS x CH340G Module with Wires Included. 4,3V3 and 5V by a short circuit risk selection;.