They’re using a cheap sound sensor module and an Arduino to catch instantaneous photographs, with students caught in the act of popping balloons.

Now it is very easy to build your own siren sound alarm, small enough to be carried in a garment pocket. This powerful audio-visual alert device is realized using the renowned Arduino platform. The 9V ...

Lucía Garbo has created an Arduino powered noise pollution monitor, powered by an Arduino Mega micro-controller and housed in a 3D printed case. Other components include a SparkFun Sound Detector ...

Arduino board programmed with an audio file Programmer Mike Tsao has devised a clever method to program an Arduino board using sound.

Make shows off how to build your own version of that device that's a little smarter and more useful. Make's guide uses an Arduino so you can set specific sound pattern for each outlet in your house.