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ESP32 CGM Monitor
FirmwareBuild a dedicated screen for shared Libre readings
This firmware turns a supported ESP32-S3 display into a second glucose screen. It gets shared readings from LibreLinkUp over Wi-Fi and shows recent history, changes and messages you set.
You need the documented 480x480 display and must flash and configure it yourself. The author calls it experimental and has mostly tested it in the UK. Uploads to Diabetes:M are optional and can stay off.
It isn't a medical device. Readings come through Abbott's cloud and can lag or fail, so keep your official app and its alerts running.
- Dedicated glucose screen
- Recent-history chart
- Configurable on-screen messages
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How did it go? Tips, problems, questions…