CH340 modul anstelle von PL2303, CH340G RS232 zu TTL modul upgrade USB zu seriell port Pinsel platte STC mikrocontroller-board
USD 2.35USD 3.86
CH340 modul anstelle von PL2303, CH340G RS232 zu TTL modul upgrade USB zu seriell port Pinsel platte STC mikrocontroller-board