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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.
@user125066
Currently testing an updated version of speedalt (GPS Adv Sports) app that I have included a Kalman filter in for both the alt and speed readings. Massive improvement in reading stability and has completely stopped readings jumping around with each gps fix. Alt will now stabilise on a surprisingly accurate figure within 60 seconds or so.