count what matters
μDays is a ultra-low-power small display for the days you want to track. Count down the days to a milestone or days since one. Place on a desk, shelf, or nightstand. Updates daily, with an estimated 5–10 years battery life. (battery included)
- 5–10 yrsbattery life
- 296×128eInk pixels
- <60 secto customize
What to track
Count down
What’s coming — a wedding, a event, a trip, a birthday.
Count up
Days that matter — relationship, new born, furry friend
Two looks
Grayscale
Black, grays, and white. Soft, paper-like look.
$85
Red, black & white
Bolder look with a red pop.
$89
Set up in seconds
- 1
Plug in — connect μDays to your computer with the included USB‑C cable.
- 2
Customize — enter names, dates, and timezone.
- 3
Load — click a button and watch your design appear.
- 3.5
Enjoy — set it down and let it count.
Specs
- Display
- 2.9-inch eInk screen
- Resolution
- 296 × 128 pixels
- Power
- Cordless, battery powered
- Battery life
- Estimated 5–10 years based on lab testing
Ready to Buy
Every μDays board comes ready to use out of the box. All you need is a computer to set it up.
- eInk screen
- Case
- Battery
- USB‑C cable
Can I change my screen later?
Yes. Build another screen and load its file onto the same display.
Does it need Wi‑Fi?
No. Once set up, μDays keeps counting without Wi‑Fi or a computer connection.
How often does it update?
Once a day, at the refresh time you choose during setup.
How long does the battery last?
Lab testing indicates an estimated 5–10 years on one battery with daily updates. Actual battery life may vary with use and conditions.