An open source bluetooth heart rate monitor built using:

• Arduino Fio: http://arduino.cc/en/Main/ArduinoBoardFio
• Pulse Sensor: http://pulsesensor.com/
• DF Robot Bluetooth Bee: http://www.dfrobot.com/index.php?route=product/product&product_id=193
• Small LiPo battery

The pulse sensor is connected to ground, 3.3V, and the sensor wire to A1.

For standard bluetooth protocols for Polar, Zephyr, ANT+, see: http://code.google.com/p/mytracks/source/browse/MyTracks/src/com/google/android/apps/mytracks/services/sensors/

TODO:

• Logging as a service
• Sony watch integration