By using these driver ICs, the complexity of wiring and control is significantly reduced. “I’ve built a digital clock made out of 144 seven-segment displays controlled by an Arduino Nano.

“I built a countdown timer a couple of months ago using a two-digit mechanical 7-segment display which was driven by 14 servos and an Arduino Mega. It came out quite well, and a number of people ...

You can use a microcontroller to build a clock. After all, a clock is just something that counts the passage of time. The ...

Posted in Arduino Hacks, clock hacks Tagged 7-segment display, arduino, clock, DS1302, multiple 7-segment display, rtc, servo ...