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
A PICAXE 08M2 can be used to read the amount of IR (infrared) light falling on a phototransistor and respond by moving a servo to a predetermined position.
December 29, 2016 by Charles R. Hampton
We’ll continue our discussion of the C-BISCUIT demo bot by looking at portions of the RCB schematic that weren’t covered in the previous article.
October 07, 2016 by Robert Keim
In this article we’ll take a close look at two sections of the custom-designed control board for the C-BISCUIT demo bot.
September 21, 2016 by Robert Keim
The C-BISCUIT saga continues as we combine the various system components into a demo bot.
September 08, 2016 by Robert Keim
In this continuing series of Building Raspberry Pi Controllers, you'll learn how to build a object detection control circuit for operating a small DC motor using a photocell.
December 27, 2015 by Don Wilcher
Adding variable speed control and battery monitoring to a Power Wheels truck!
September 11, 2015 by Travis Fagerness
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