10Pcs Usb To RS232 Ttl CH340G Converter Module Adapter Replace PL2303 CP2102 cr
10Pcs Converter Module Adapter Usb To RS232 Ttl CH340G Replace PL2303 CP2102 Ic. Provide RS232. RS422 interface. Simulation interface, you can upgrade serial peripherals. Programming does not affect the target board program runs.