[Ed] was tasked with adding push-button degaussing to an arcade cabinet’s CRT console. The display can be rotated ... grabbed a nearby Arduino. [Ed] took off the PTC and soldered in two ...

Here, a common cathode 7-segment LED display is connected to Arduino for displaying the digits. The code (Arduino sketch) allows push button increment of the counter from 0 to 9. The whole circuit can ...

This Arduino-based Pomodoro timer project also uses this 25-minute cycle. Once you push the button ... 25 minutes, display a count-up timer and a "Study time!" message on the LCD, and turn a ...