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 ...

Connect your buzzer to the Arduino board. The positive pin (anode) should be connected to a digital pin, and the negative pin (cathode) to GND. Download the supplied code to your Arduino board using ...

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Each buzzer consists of an Arduino Pro Mini 3.3 V, a nRF24L01, and of course a big pushbutton on the top. ... He uses telephone wire to connect each buzzer to the base unit.

The paper aims to design and implement a low cost and reliable quiz buzzer system with the help of Arduino and seven segment display for easier detection of contestants or participants during a school ...