Watch the demonstration video below to learn more about the ultrasonic race timer and its creation. Powered by an Arduino Nano development board the sprint time is equipped with a small ePaper ...

This worked well enough, but the flimsy case needed an upgrade. As he looked toward the next version he decided to move to an Arduino Nano board to save on space.

In the case of the Arduino Nano, a mini-B USB cable is required. The power source, on the other hand, can be a powerbank, a phone charger, or even your computer — anything that generates 5V and ...

Droplet and StackAR, developed by MIT’s Media Lab, allow users to set timers or program an Arduino using light-based communication. By pressing the tool against a screen, flashes of light can ...