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    2 PCS Knock Sensor Module with LED KY-031 For Arduino PIC AVR Raspberry pi

    • Item No : 232466824334
    • Condition : New
    • Brand : Unbranded/Generic
    • Seller : alifans
    • Current Bid : US $0.79

    • * Item Description

    • Knock sensor module and a digital 13 interface, built-in LED build a simple circuit to produce percussion flasher. pinMode (Shock, INPUT) ;// define knock sensor output interface. pinMode (Led, OUTPUT) ;// define LED as output interface.
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