The project started by searching for a vintage rotary phone at thrift stores. I originally had in mind a classic 50-70s style or french style phone, but then came across this very old wooden box phone ...

* Code for the Arduino Uno board. This program uses a four-digit seven segment diplay to show the time * passed (in seconds). Counts down from 30 seconds. If the button is ever pressed, the timer will ...

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 ...