5pcs Pulse Heart Rate Sensor Meter Module

Description The pulse sensor is a sensor used to test the heart rate Students artists athletes creators games or mobile terminal developers can develop interactive works related to heart rate The sensor can be worn on a finger or earlobe and connected to the Ard via a wire It also has an open source app that displays your heart rate in real time The essence is an optical heart rate sensor that integrates an amplifying circuit and a noise canceling circuit Supply voltage 3V or 5V Package included 5 x Pulsesensor Pulse Heart Rate Sensor Module