How to Track Your Heartbeat with Raspberry Pi and Arduino | Raspberry Pi | Maker Pro
Amazon.com: DEVMO Pulse Sensor Heart Rate Sensor Monitor PulseSensor Compatible with Ar-duino Module Raspberry pi : Electronics
Build a Raspberry Pi heart rate sensor that streams and blinks #piday # raspberrypi @Raspberry_Pi « Adafruit Industries – Makers, hackers, artists, designers and engineers!