CP2102 3in1 5V 3.3V USB To RS485 RS232 TTL Serial Port Converter Board Module
3,53 €
Module interface: The module has serial port TTL (VCC, GND level, TX, RX interface), serial port RS232 (VCC, GND level, TX, RX interface), serial RS485 of the A, B interface. 1 x USB to RS485 RS232 TTL Serial Port Module CA.
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