Collaborate Disseminate
Apple likes magnets. They started out with magnetic laptop chargers and then graduated to a system that magnetically holds the phone, charges it, and can facilitate communication between the phone …read more Continue reading Tech In Plain Sight: Magsafe, and How To Roll Your Own
Adding LEDs to a project used to be enough to make it cool. But these days, you need arrays of addressable multi-color LEDs, and that typically means WS2812B or something …read more Continue reading To Test a (Smart) LED
Normally, when you want a low DC voltage from the AC line, you think about using a transformer of some kind. [RCD66] noticed that an AC monitor meter must have …read more Continue reading Line Power with No Transformer
[Dylan] has a fancy bed that can be set to any temperature. Apparently this set him back about $2,000, it only works if it has Internet, and the bed wants …read more Continue reading Unhacked Mattress Phones Home
You want to learn assembly language. After all, understanding assembly unlocks the ability to understand what compilers are doing and it is especially important for time-critical code. But most tutorials …read more Continue reading Learn Assembly the FFmpeg Way
If you deal with diabetes, you probably know how to prick your finger and use a little meter to read your glucose levels. The meters get better and better which …read more Continue reading Over the Counter Glucose Monitor Dissected
We hear a lot about how ham radio isn’t what it used to be. But what was it like? Well, the ARRL’s film “The Ham’s Wide World” shows a snapshot …read more Continue reading Retrotectacular: Ham Radio As It Was
It is easy to port C compilers to architectures that look like old minicomputers or bigger CPUs. However, as the authors of the Small Device C Compiler (SDCC) found, pushing …read more Continue reading A New 8-bit CPU for C
The release notes for the 2.1.1 Raspberry Pi Pico SDK have a late holiday present: The RP2040 chip is now certified to run at 200 MHz if you use at …read more Continue reading Pico Gets a Speed Bump
We get it. We also watched Star Trek and thought how cool it would be to talk to our computer. From Kirk setting a self-destruct sequence, to Scotty talking into …read more Continue reading Be Careful What You Ask For: Voice Control