Made a own pcb with Nano for a timer. (Now on 8 Min, can be changed in the .ino file. The time can be adjust in the Ino file. When you push the Switch, it started to count down and after the time (8 ...

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.

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 ...

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 ...