holux gr-260

Holux GR-260 download gpx log data with heart rate and cadence

Holux GR-260 is a GPS bike computer. Unfortunately included software lack some features. Most notably it does not export GPX file with Garmin extensions - Heart Rate an Cadence measurements. I've wrote my software for this purpose.
Protocol was partly sniffed on USB, but quickly was discovered in small utility that is here:

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