Heart Rate Pulse Sensor Module

Heart Rate Pulse Sensor Module.Pulse Sensor can be put on the finger or earlobe, through interconnected line can be connected to the Arduino, to test the heart rate t also has an open source app, can real time your heart rate graph display.:

Features:

• The power supply voltage: 3.3V ~ 5 v
• Package Includes: 1x Pulse Sensor Module
• Essence is a integrated optical amplifying circuit
• noise eliminating circuit heart rate sensor.