Since nothing technical popped up about this watch model on the Internet (only the usual smart-watch articles and some apps), I decided to investigate and document it (its Bluetooth functionality) as deeply as I can.
This project contains the following:
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Documentation (work-in-progress) on reversed functionalities (here)
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Rust Bluetooth libraries implementing reversed functionalities (
ls02crate) -
Simple desktop Rust UI showcasing all this work and serving as an example for the libraries (
haywatchproject) -
Testing (dirty and quite unorganized) Rust command-line program, used to test/keep track of unknown watch requests/responses/etc, might also serve as an example for the libraries (
ls02devprogram)