The MSP430FR2633 is a low-power microcontroller with multiple GPIOs and capacitive touch pins. This project creates a circuit that supports a custom capacitive touch panel with LED and haptic feedback.
January 12, 2018 by Mark Hughes
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
In spite of their convenience, the cost of solder paste stencils has prevented many hobbyists from using them. But the use of polyimide film has brought the prices within reach... if you know how and where to get them.
June 02, 2016 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