This project involves creating a OBS Studio plugin for supporting the Bluetooth heart rate service. I'm planning to use the Qt Bluetooth library. This will make things pretty easy since OBS Studio already uses Qt.
This plugin sort-of does the same thing. However, I would be nice to get the heart rate through a wireless connection and support more devices.
Right now, I'm using Polar H7 for debugging, but I think the Bluetooth protocol is generic enough to support other devices.
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Version 1: Make the connection between OBS Studio and the Bluetooth heart rate service, show BPM on screen.
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Version 2: More fun stuff like.. max BPM, graphs, calorie count!