Posted in Arduino Hacks, clock hacks Tagged arduino, DS3231, watch ← 2D-Platform Seeks Balance With A Touch Screen All You’ve Ever Wanted To Know About Compilers → ...

One IC is an AVR micro, of course. The other is a DS3231 real time clock with built-in crystal. A CR2032 keeps it all running. The main body, the outer ring, the bottom, and the buttons are 3D ...