HiLetgo 5pcs 5V Heartbeat Detect Sensor Heart Rate Detect Measuring Module Finger Heartbeat Measure KY-039

Fingers Measuring Detect Heartbeat Sensor Module KY-039 3pin Mini - Arduino e-shop Modulo Heartbeat 5V Per Progetti Fai Da Te HiLetgo 5pcs 5V Heartbeat Detect Sensor Heart Rate Detect Measuring Module Finger Heartbeat Measure KY-039 Kit Elettronica Per Progetti KY-039 Finger Detection Heartbeat Measuring Sensor Module at ₹ 12/piece | Heart Beat Sensors in... INT led Pin=13, INT sensor Pin=0, Double alpha=0., 75, INT period=20 capteur de détection de battement de cœur Description: Finger heartbeat measurement module arduino test code: INT led Pin=13; INT sensor Pin=0; Double alpha=0., 75; INT period=20; Double change=0., 0; Void setup {Pin Mode (led Pin, OUTPUT)} void loop Static double old Change=0; INT raw Value=analog Read (sensor Pin); Double value=alpha*old Value+(1-alpha)*raw Value; Change=value-old Value; Digital Write (led Pin,(change0., 0)); Old Value=value; Old Change=change; Delay (period);Package Included: 5 * Finger Measuring Heartbeat Sensor Module