Why not create your very own high-speed camera trigger using an Arduino, piezoelectric sensor (as a sound sensor), a DSLR camera, and an external flash. Watch the video after the break to see it ...

These little Arduino boards are a real boon to amateur electronics tinkerers: cheap, versatile, and very small. This guy had the idea to make a high-speed photography setup using one, instead of ...

It’s used in the CNC mill he build and he figured, why not add the ability for the computer to control the speed. The speed controller is a $20 unit from Harbor Freight.

This simple library allows control of switch reluctance motors such as those found in hard disks. It provides varying degrees of precision assuming three phases. Library also supports rudimentary ...