@Gordon: you showed some images for PPG signals (also with beat marks) here http://forum.espruino.com/comments/16384408/ Is this visualization reusable. Can you point us to some code?
@Mi started
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.
@Gordon: you showed some images for PPG signals (also with beat marks) here http://forum.espruino.com/comments/16384408/
Is this visualization reusable. Can you point us to some code?