Case study

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.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-08

Stars: 39
Last commit: 2020-08-01
License (GitHub): WTFPL

GitHub data as of 2026-11-09

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Requirements & limits

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

Cite

BibTeX

@misc{glance-clock-ble-case,
  title = {{GlanceClock: reconstructing its BLE command protocol}},
  howpublished = {\url{https://github.com/Hypfer/glance-clock}},
  url = {https://github.com/Hypfer/glance-clock},
  urldate = {2026-11-08},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/glance-clock-ble-case/}}
}

Plain text

GlanceClock: reconstructing its BLE command protocol. https://github.com/Hypfer/glance-clock (accessed 2026-11-08). Awesome REA entry: https://awesomerea.org/resources/glance-clock-ble-case/

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Primary sources

Readme.md GitHub · Hypfer/glance-clock · Revision 3f0bfc0