D6 Fitness Tracker Custom Firmware for Arduino
With custom Heartrate Detection.
The new Example ( D6EmulatorHeartrate ) can only be used with the Arduino library that includes an Precompiled Library. you can find more infos here: https://youtu.be/E0W65KbaeA8
Use this Arduino library to use it: https://github.com/atc1441/D6-arduino-nRF5
Watch This video to understand what is going on if you are new here :)