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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.
@AkosLukacs
Created an example project with the Puck + Web Bluetooth pushing the magnetometer data at up to 80 Hz. It's really kind-of-surprisingly smooth.
Code up at my Github
Shaky can video: https://youtu.be/72ViaRna7ZM