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

Using an Arduino Mega, DS3231 Real Time Clock Module, Eight stepper motors 28BYJ-48 with ULN2003 Driver, 82 cm Wooden strip 19x19mm, Steel Wire 1m, 46 Washer head screw 4.2 x 14 mm, 16 Button head ...

We like this clock, as it’s different from the norm in Arduino clocks. It’s not however the first flip dot clock we’ve seen, this one has a full dot matrix display.

The clock is based on the Arduino Nano, you can connect it to the Arduino IoT Cloud, you can control the clock from the smartphone app and even voice control via the Alexa assistant.