Use IR LED and optical transistor to detect pulsation in fingers
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NB023: Pulse Heart Rate Sensor
Description: - Pulse sensor is used to test the heart rate sensor, students, artists, athletes, creator, game developer, or mobile terminal can develop interactive work related to heart rate. - Sensors can be put on the finger or earlobe, through interconnected line can be connected to the Arduino. - It also has an open source app, can real time your heart rate graph display. - Essence is a integrated optical amplifying circuit and noise eliminating circuit heart rate sensor.