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    DC 12V 24V RS232 Relay Board 2CH Serial Port Switch Module for PLC LED Motor PTZ

    • Item No : 275477081686
    • Condition : New
    • Brand : Unbranded
    • Seller : modul_technik
    • Current Bid : US $6.76

    • * Item Description

    • OLED LED&RGB. Nano Sheild. 1 RS232 relay module. The communication interface supports RS232 DB9 serial port;. Support self-locking mode (reverse state of relay, if relay NO and COM are closed, send this command to disconnect NO and COM, and vice versa);.
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