# GlanceClock: reconstructing its BLE command protocol

> GlanceClock documents the wall clock's BLE command protocol for building a local bridge. The reference identifies its GATT service and characteristic, protobuf payloads, pairing flow and commands for notifications, scenes, settings and timers.

- Type: Case study
- Targets: Protocol
- Category: Independent reconstruction cases
- Relationship: Independent reconstruction project
- Sources reviewed: 2026-11-08
- Added to the catalog: 2026-11-09
- Original resource: <https://github.com/Hypfer/glance-clock>
- Primary source: <https://github.com/Hypfer/glance-clock/blob/3f0bfc00f290cc6755a25050cf585c69c33181fd/Readme.md>
- Catalog page: <https://awesomerea.org/resources/glance-clock-ble-case/>
- Record JSON: <https://awesomerea.org/resources/glance-clock-ble-case/record.json>
- Chinese version: [简体中文](https://awesomerea.org/zh/resources/glance-clock-ble-case/index.md)

## Requirements & limits

- **Prerequisites:** A GlanceClock and BLE pairing using its displayed PIN.
- **Limits:** Firmware-update characteristics remain undocumented.
- **License:** WTFPL license.

## Primary sources

1. <https://github.com/Hypfer/glance-clock/blob/3f0bfc00f290cc6755a25050cf585c69c33181fd/Readme.md>

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## About this entry

The description was reviewed against primary sources.
Original editorial content: MIT. Linked projects, papers and assets retain their own rights and licenses.