USB to TTL 3.3V / RS232 PL2303 UART Module Serial USB Board Konverter Arduino
1,19 €
1 x USB To RS232 TTL CH340G Converter Module Adapter STC replace Pl2303 CP2102 CF. Nano Sheild. Provide RS232, RS485, RS422 interface. Simulation interface, you can upgrade serial peripherals. hope you could understand.
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