KY-039 Finger Detection Heartbeat Measuring Sensor Module

// Pulse Monitor Test Script

int sensorPin = 0;

double alpha = 0.75;

int period = 100;

double change = 0.0;

double minval = 0.0;

void setup ()

{

Serial.begin (9600);

}

void loop ()

{

static double oldValue = 0;

static double oldChange = 0;

 

int rawValue = analogRead (sensorPin);

double value = alpha * oldValue + (1 – alpha) * rawValue;

Serial.print (rawValue);

Serial.print (“,”);

Serial.println (value);

oldValue = value;

 

delay (period);

}

1. Use IR LED and an optical transistor to detect pulsation in fingers

2. Small and Compact module

3. Easy to use.

• Length (mm)

20

 

• Width (mm)

14

 

• Weight (gm)

0.6

 

• Shipment Weight

0.085 kg

 

• Shipment Dimensions

3 × 3 × 2cm

1 x KY-039 Finger Detection Heartbeat Measuring Sensor Module