Image: reddit.com · My open source arduino sketch turned my Watchy smartwatch into a pocket WatchyCelestial: photographic Moon with real libration, star chart, and WiFi time sync.
WatchyCelestial: a Moon and star chart watch for Watchy
A Watchy watch face showing a photographic Moon with libration, a 904-star chart and WiFi time sync, coded with Claude's help.
Credits
- Reddit poster CommunityFan89 Source ↗
Earliest dated source:
The full story
After a more feature-packed Watchy project, the maker stripped it back to just the sky. WatchyCelestial has a clock face with moon phase and sunrise and sunset, a photographic Moon showing the face it turns towards the viewer that night, and an all-sky chart of 904 stars. The astronomy was checked on a PC against reference software before going on the watch.
The code was built with Claude's assistance, with the ideas, design and hardware testing by the maker. Because the watch's clock has no backup battery, they added WiFi time sync on a button hold and automatically on boot if the clock lost power.
How it was done
Tools
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Sources
From a short post by the maker, so the details are as they tell them.
- Reddit: My open source arduino sketch turned my Watchy smartwatch into a pocket WatchyCelestial: photographiReddit poster: CommunityFan89Posted
The maker's post on r/arduino.
If it disappears: archived copy of Reddit: My open source arduino sketch turned my Watchy smartwatch into a pocket WatchyCelestial: photographi (opens in a new tab)