Using 2 ATmega328s, this clock displays and decodes the DCF77 signal using 150 LEDs and 4x 7-segment display modules on a 12" (305mm) dial.
Project tutorial by oliverb
Word clock with linear display of seconds includes modes for digital clock, analogue clock, temperature and humidity, plus three games.
Make a Big LED clock with arduino and RTC module to make it as a Real Time Clock.
Project tutorial by SetNFix
This is a class voting machine.
Project tutorial by msr048
A project using a car brake rotor as a clock.
Project tutorial by xXarduino_11Xx
In this instruction, I will show how to make Nixie clock with Arduino by circuit which is as much simply as possible.
Project tutorial by engineer2you
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