this DIY motion trigger for a DSLR is a quick and easy build, and probably loads more fun. The BOM on [Jeremy S Cook]’s build is extremely short – just a PIR sensor and an optoisolator ...

It works well enough, though, and he’s gone and doubled down on the Arduino way and bundled it up nicely into a library. In the previous article we covered [connor] demonstrating the motion ...

An Arduino is a microcontroller — a single board designed to control something and perform a specific task. Unlike a ...