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Need Guidance, Building a personal glucose tracking dashboard

Reddit r/webdev·u/BrydenMcLeodVan·about 1 month ago
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Need Guidance, Building a personal glucose tracking dashboard Kind of a weird one but relevant to anyone who has tried Web Bluetooth with actual hardware. I got diagnosed with pre-diabetes and I am building a personal glucose tracking dashboard. Nothing fancy, just a React PWA that connects to my Accu-Chek Guide glucometer via BLE and pulls the readings into a logic engine I built. The GATT profile is all standard stuff, 0x1808 service and 0x2A18 measurement characteristic. I can see the device in the Chrome BLE picker just fine. The problem is the meter requires authenticated pairing with a PIN. The meter shows the PIN on screen but Chrome never surfaces a dialog to enter it. It just hits CONNECTION ATTEMPT FAILED every time. I have enabled both #enable-web-bluetooth-new-permissions-backend and #enable-experimental-web-platform-features in Chrome flags and same result. Is this a known limitation with Web Bluetooth and authenticated pairing?…

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