Phone-Free Alarm Clocks

CinderClock is a Standalone Clock Designed for Phone-Free Bedside Routines

CinderClock is a standalone desktop clock designed to replace the functions people typically hand over to a phone. It runs without an app, cloud connection, or subscription, with WiFi disabled at startup unless deliberately enabled for firmware updates. Ten alarm-history entries, a countdown timer, four-lap stopwatch, two Pomodoro presets, and continuous temperature and humidity monitoring keep those functions on the device. Sunrise and sunset times are also available for schedules tied to natural light.

Designed by Aqnazar Arysbek, the clock uses a raked face for legibility from different heights, while four keys and a joystick handle navigation. Its 3D-printed enclosure incorporates the speaker grille, and the processor sleeps between seconds toward a two-week battery target. Repairability is built into the design through published bill of materials, PCB files, enclosure models, and open-source firmware released under an Apache 2.0 license. Common components and labeled module positions are intended to make sourcing and servicing possible long after the original device is sold.

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