Let it hit your red LED and you’ve lost ... Inside the cool laser-cut box is an Arduino Uno and a 9V battery, plus a current-limiting resistor and the all-important buzzer.

Each animation has a different Arduino code, but you won't need to modify ... With each contact you make, the red LED lights up, the buzzer beeps and the seven-segment LED display counts up.

[Flute Systems] has released an open source DIY game buzzer system based on the Arduino that will help instantly ... and twin four digit seven-segment LED displays. [Flute Systems] says you ...

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 ...