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    5V 4 Channel Relay Board Module Optocoupler LED for Arduino ARM AVR

    • Item No : 373635817637
    • Condition : New
    • Brand : GCSUPERMARKET
    • Seller : ketech_electronic
    • Current Bid : US $3.28

    • * Item Description

    • 5V 4--Channel Relay Module for Arduino PIC ARM DSP AVR Electronic. Best price, Good quality. the 8550 transistor drive, drive ability;. small board PCB size: 7.2 cm 4.8 cm. NEW, ORIGINAL parts. Transistors, and so on.
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