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 goal here was to keep things as simple as ...

Lucía Garbo has created an Arduino powered ... include a SparkFun Sound Detector and small LCD display to provide details on recorded dB as well as an LED strip on top which changes colour ...

Realizing a simple switch on the wall wouldn’t do this potent air mover justice, they decided to build a sound ... detection hardware. At the most basic level, all they needed was a way for an ...

The PIR Motion Sensor ... The Arduino is capable of driving small loads like an LED without extra components. Next week we will look at driving larger loads like buzzers, lights and sound modules.