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5V Heartbeat Sensor Senser Detector Module By Finger For Arduino

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List price:
US $0.98
Price:
US $0.98

Product Description

  • Fingers Detect Heartbeat Module FOR ARDUINO

  • For Arduino Test Code

    int ledPin=13;
    int sensorPin=0;

    double alpha=0.75;
    int period=20;
    double change=0.0;

    void setup()
    {
    pinMode(ledPin,OUTPUT);
    }

    void loop()
    {
    static double oldValue=0;
    static double oldChange=0;
    int rawValue=analogRead(sensorPin);
    double value=alpha*oldValue+(1-alpha)*rawValue;
    change=value-oldValue;

    digitalWrite(ledPin,(change<0.0&&oldChange>0.0));

    oldValue=value;
    oldChange=change;
    delay(period);
    }

Package includes:

  • 1 x Sensor module

Packaging Details

Unit Type: 
 piece
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