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    3pcs sensor modules ky-039 kits disassembled for Arduino finger measuring IP

    • Item No : 388586238020
    • Condition : New
    • Brand : Markenlos
    • Seller : *mikesaunty
    • Current Bid : US $3.40

    • * Item Description

    • 3Pcs Heartbeat Sensor Module KY-039 Kits Disassembled For Arduino Finger. ARDUINO test code Pulse monitor works as follows: The LED is the light side of the finger, and phototransistor on the other side of the finger, phototransistor used to obtain the flux emitted, when the blood pressure pulse by the finger when the resistance of the phototransistor will be slight changed.
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