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I'm looking for a cheap (~40$) smart ring (programming.dev)

submitted 2 weeks ago* (last edited 2 weeks ago) by binaryqueen@programming.dev to c/programming@programming.dev

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Good morning 👾

I'd like to fetch data via BLE (Python or Swift) from a cheap smart ring that can be reverse engineered or that is already RE'd. Pulse, oxygen levels, gyroscope, button would be very useful. I'd like to build a python or swift library.

Thank you for any input =)

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[–] Kissaki@programming.dev 6 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

Maybe a Colmi smart ring, versions ranging from 13 to 30 €?

I got a Colmi Smartwatch for 13 €. It doesn't integrate into the standard Android Health thing but seemingly uses its own protocol or sth.

[–] binaryqueen@programming.dev 4 points 2 weeks ago* (last edited 2 weeks ago) (1 children)

I was looking into Colmi already but thought maybe knew some hidden gem :)

Checking the Colmi watches

[–] inari@piefed.zip 4 points 2 weeks ago

The nice thing about Colmi is there's support for it in Gadgetbridge, so it will likely be easier to tinker with