Catalog > Internet of Things (IOT) Related Products > More Platforms Pulsesensor Pulse Heart Rate Sensor Pulse Heart Rate Pulsesensor BSK PULSE HEART RATE SENSOR PULSE HEART RATE SENSOR. 3,3-5VDC. PLUG-AND-PLAY HEART-RATE SENSOR FOR ARDUINO/RASPBERRY PI Discontinued Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Features Pulse Sensor can be put on the finger or earlobe, through interconnected line can be connected to the Arduino, to test the heart rateStudents, artists, athletes, creator, game developer, or mobile terminal can develop interactive work related to heart rate.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.The power supply voltage : 3.3 ~ 5V