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    2 PCS DC 5V 2Ch RS232 Relay Board Remote Control USB PC UART COM Serial Ports

    • Item No : 234025025931
    • Condition : New
    • Brand : eletechsup
    • Seller : bluesky201203
    • Current Bid : US $18.71

    • * Item Description

    • Communication protocol: UART protocol communication, baud rate 9600kpbs, 8 data bits, one stop bit, no parity. Two-way data transmission. Relay open (issue this command ,Relay open, COM connect to NO ）. ).
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