This project is a simple Arduino countdown timer that uses a knob to set the time and buttons to adjust the countdown. It also includes a buzzer and LED lights for feedback. I have made this project ...

John Boxall, author of the new book Arduino Workshop, shares a few of the projects from his book on how to get started with the microcontroller. (Click the links to see PDFs of the complete ...

You have a timer and clock in just about every single device out there these days, but if you want to build you own, Instructables user GeraldF6 shows you how to do so with a Arduino.