A 16-bit hexadecimal display module. I’ve been wanting to take on more advanced digital design projects. I also like making multi-purpose tools and modules.
Adapting the old to the new Sometimes the simplest hacks are the most useful. My beloved ten-year-old Pioneer 502MX plasma television died recently. It
Conversion of an exercise machine to mains power I have an elliptical cardiovascular training machine that I’m quite fond of. It has a nice
A breadboard programming header for AVR microcontrollers I’ve been working with AVRs quite a bit lately, and I wanted a quick way to program
An automatic stint timer for endurance racing My crazy friends and I regularly compete in something called The 24 Hours Of LeMons. It’s a somewhat
Building Adafruit’s AVR Programmer kit I needed a quick and dirty ISP programmer for a project that was on a very tight deadline. Adafruit’s
Revision B of the Dish-O-Tron 6000 Making something work on the bench, and making it work in the real world are often very different
Getting magic smoke into your breadboard with style. I have a basic low-end benchtop supply. It does the job just fine, but is a
A simple and easy way to make precise PCBs UPDATE: There’s a new and much more detailed version of this article here. This is
Repair and improvement of a broken salad spinner. This is another classic case of an otherwise well made product ruined by a single fatal flaw.