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 ...

Arduino enthusiasts who are looking to add sound to their projects may be particularly interested in a new generation of Arduino sound card created by electronics developer Masih Vahida. This ...

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

The SoundDuino Arduino sound shield is capable of working with voltages from 3.3v to 5v and if you use the other Arduino boards, the only pins that you require are GND, VCC, RX, TX.

The problem with using it along with Arduino-based gadgets is that you then need to use something like an Ethernet shield to provide the network connection.

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.