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    2/4/8 Channel 5V 12V Computer USB Control Delay Switch Drive-free Relay Module

    • Item No : 275477113508
    • Condition : New
    • Brand : Unbranded
    • Seller : sensecore
    • Current Bid : US $8.28

    • * Item Description

    • Using the dedicated relay driver chip ULN2803, the relay works more stably. 1 2/4/8 Channles 5V / 12V Relay Module. Step up module. Adapter Module. Step down module. Display module. Square USB interface, stable connection.
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