[Photo: Alan Amon via Instructables] Yeah, I know; you’re probably getting sick of hearing about all the cool things people make using the Arduino microcontroller, but check this: A 1975 Bally Wizard ...

You can use a microcontroller to build a clock. After all, a clock is just something that counts the passage of time. The only problem is that microcontrollers can’t track time very accurately. They ...