Matches the GATT service in Pairing.cpp. On a fresh/unpaired device
this starts automatically at boot; on an already-paired device, press HOME 5x
quickly to factory-reset and re-enter it.
Note: Web Bluetooth requires Chrome or Edge (desktop or Android) and a secure context — this page being served over HTTPS via Cloudflare Pages satisfies that. iOS Safari needs the Bluefy workaround app.
The Device ID characteristic is write-only — there's nothing to read back. Type the ID shown on the device's screen/Serial below and confirm; a real app would get this from scanning the QR instead of typing it.
Status: -