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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.
@Fteacher
I just tried the nRF Toolbox for bluetooth LE. I was able to get HR, but nothing else.
On the other hand, I tried @Mi 's suggestion, and I was able to see all data out of it : HR, HRV and Acc (accelerometer). The app crashed several times, but I have recorded files. The ACC and ECG files are in .txt format as can be seen in the attached doc. The sampling rate, resolution and range (see screnshots) mean nothing to me :/. The Acc data look like it's taken every 0.04 seconds.
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