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 ...

The Arduino Sensor Kit comes as a standalone kit for only €23.00 or $23.00, or can be purchased with the Arduino UNO Rev3 board as a great value bundle for €38.70 or $38.70.

Even though another sound sensor module which is ready to provide an analog signal output can be employed here, I will not get into that at this time. Sound Activated Timer Switch Code Since the Grove ...