Feature 

pulse sensor is a sensor that measure the heart beat from all biological matter. What actually happen inside the sensor is the sensor is amplify and filter the noise of the pulse generated by us

Specification

Input voltage : 3,3v or 5v

diameter: 16mm

Amplify: 330 times

visit http://pulse-sensor.googlecode.com/files/PulseSensorAmpedGettingStartedGuide.pdf for tutorial

P/S: Please PM for solder the header (The module (3 pins) is remain unsolder as shown in the photo)

Package content

1x pulse sensor

1x female to male jumper wire