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    12V 4Ch DB9 RS232 Relay Board SCM PC UART Remote Control Switch PLC Motor Car

    • Item No : 123273084601
    • Condition : New
    • Brand : Unbranded
    • Seller : mylove2014alice
    • Current Bid : US $10.68

    • * Item Description

    • Communication protocol: UART protocol communication, baud rate 9600kpbs, 8 data bits, one stop bit, no parity. Two-way data transmission. Relay toggle (Relay status reversal,if COM connect to NO,this commands will Disconnect COM to NO and Reverse COM connect to NC,and vice versa).
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