Tracking an infrared light source is not as difficult as you might think; a 14-pin PICAXE, a stepper motor with a driver IC, three phototransistors, and a few other components will do the trick.
January 17, 2017 by Charles R. Hampton
Continuing the C-BISCUIT series, this article outlines how to populate and test the surface mount PCBs designed in a previous article using a hot air rework station and other various electronics tools.
May 31, 2016 by Patrick Lloyd