You are reading a single comment by @user107850 and its replies.
Click here to read the full conversation.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@user107850
HR: Polar HR sensor with BLE (based on ECG)
Steps: we put an IMU on a shoe. With some simple thresholding, the step count is quite reliable.