Figure an Arduino most matches the "Other" category. To be specific, it isn't an Arduino brand, it is a DigiSpark, but the trouble isn't with the device itself. The problem is with a buzzer. I got ...

[Flute Systems] has released an open source DIY game buzzer system based on the Arduino that will help instantly elevate your game. Certainly beats just yelling across the room.

Posted in Arduino Hacks Tagged arduino, buzzer, game, led, office ← Coffee Table Puts On A Show Behind Smoked Glass Weekly Roundup 2/4/12 → ...

Interestingly each sensor runs a ATmega328P processor, the same one found on the Arduino Uno. The entry-level $99 kit includes a WiFi and motion hub, a button, a buzzer, and an LED.