This Is the Watch That Makes a Coin Cell Look Awesome #WearableWednesday #wearabletech @hackaday #Arduino

Liquid Watch

This watch is a beauty from its apple wood frame to its concentric LED circle display, but the focus is really a coin cell battery. LiquidWatch, spotted on Hackaday, is an entry in their #CoinCellChallenge. Designed by CF, the time piece concentrates on an artistic design with a focus on nature inspired materials. The leather band and wood poses as soil with a face that has light dancing on turf.

LiquidWatch Circuit Boards

The PCB uses an ATmega 328P with 97 tiny LEDs, and you can see CF has developed a new square version of the board as well. What makes the watch unique is the different modes, including a single LED or fill-in style display. There’s also a fun way to check battery power and an option for displaying seconds. Check out the watch in action.

CF definitely has a passion for time devices, so be sure to check out his other projects on Hackaday. If you like the idea of a circular LED time device, check out our learning guide for the Neopixel Ring Clock. Our Flora microcontroller combines with two different Neopixel rings to make a beautiful display while a GPS module provides accurate time. Mount it on a band or wear it as a pendant—you’ll have people asking you for the time and a list of parts. Make time for making time.


Flora breadboard is Every Wednesday is Wearable Wednesday here at Adafruit! We’re bringing you the blinkiest, most fashionable, innovative, and useful wearables from around the web and in our own original projects featuring our wearable Arduino-compatible platform, FLORA. Be sure to post up your wearables projects in the forums or send us a link and you might be featured here on Wearable Wednesday!


As 2022 starts, let’s take some time to share our goals for CircuitPython in 2022. Just like past years (full summary 2019, 2020, and 2021), we’d like everyone in the CircuitPython community to contribute by posting their thoughts to some public place on the Internet. Here are a few ways to post: a video on YouTub, a post on the CircuitPython forum, a blog post on your site, a series of Tweets, a Gist on GitHub. We want to hear from you. When you post, please add #CircuitPython2022 and email circuitpython2022@adafruit.com to let us know about your post so we can blog it up here.

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