KY-039 Finger Pulse Heartbeat Detection Sensor from Banggood
Easter Sale: http://goo.gl/ImlJc2
Link to Sensor: http://goo.gl/QQ5EOv
Testing a KY-039 Finger Pulse Heartbeat Detection Sensor from Banggood. It's a hassle to make it do something good, at least it works and sends some data..
The Arduino Sketch: http://goo.gl/BL7243
Let me know if you have done something useful with this sensor!