The O Watch!
The O Watch is a ‘Precise Time Keeper’ :). Using a DS3231 Real-time-clock (RTC) module with a backup battery, it is able to keep time for years with high precision. This is made using Sparkfun Microview, RTC module and a LiPo battery and charger from Adafruit.
The Design Vision:
The first prototype:
- Microview Clock by @psuk
- DS3231 Arduino library by Rinky-Dink Electronics