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    2Ch RS232 Relay Board DB9 COM USB PC UART COM Serial Ports DC 5V 7.5V 9V

    • Item No : 175566149840
    • Condition : New
    • Brand : Unbranded
    • Seller : eletechsup_shop
    • Current Bid : US $39.99

    • * Item Description

    • Communication protocol: UART protocol communication, baud rate 9600kpbs, 8 data bits, one stop bit, no parity. Two-way data transmission. Output indication: relay output with LED indicators, easy to see working status of the relay ;.
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