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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.
@HughB
Yes - I like it a lot. To me it does not need too much more. Nice to get a buzz every mile and switch to a display that tells you your mile / km pace and time for that last segment etc. But such features can be explored when the basics are working, which I think are quite close already.
The Sports Adventure App has an implementation of a kalman filter.
Its a bit magic to me but looks like there is a working implementation in javascript.
Written by
https://github.com/espruino/BangleApps/tree/master/apps/speedalt2
https://github.com/espruino/BangleApps/blob/master/apps/speedalt2/app.js
How about this for a starter for ten. 1) The default setting is that starting a run will initiate a recording. If the recording is too short, on stop prompt and say keep or throw away ? 2) Have a setting that says 'use recorder Y/N' so you can disable recordings if you dont want them - Y by default. 3) It would seamless if the recorder auto-incremented the log file everytime you start a new run. Its a real nuisance having to go back to the recorder to nudge it along so that you dont mess up a previous recording. I think I would be quite happy to view the logs through the recorder, but 4) the use of numbers for the logs is not very user friendly, better to call the logs YYYY-MM-DD-HH:MM.rec in the storage then you can present a list of logs and you can see which one you want, you could even reformat the filename and use 15 JAN 09:30 in the list view. I will get a screenshot of the AmizFit bip. I'm not saying thats the only way but it is easy to use.
There's not much space on the screen, anymore would be overload. But I kind of like the idea of plugins, eg: you dont want steps so you can replace that slot with altitude, you dont want steps & Cadence but you want OS grid ref instead (it would have to be 2 slots to be readable), etc.