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 recommended operating voltage is 5V what makes it compatible to almost all 5V Arduino microcontroller boards. Maybe it works on 3.3V but I have not tried it yet. To understand the functionality of ...

He hooked up a microphone and a photodiode to the Arduino, allowing him to use both sound and light to trigger his camera, depending on which mode he selects. Of course, the Megavallometer still ...

Here is the circuit for the Sparkfun Active Low style sensor. PIR Pin “+” connects to Arduino +5 one side ... lights and sound modules. A requirement that ICE agents ensure courthouse arrests ...