We’ve always taken a certain childlike joy in seeing tiny things made big, and big things tiny. Evidently [Uncle Stem] is the ...

Stream decks are very useful when you’re live on camera and you need to hit some complicated macro at a glance. However, ...

Cook up some ESP32 projects this weekend.

The DAC initialization code does just what it says and is designed to get a DAC output as fast as possible. The LCD/touch screen code is the largest piece of the software puzzle. Before discussing it ...

When working on a recent Design Idea for an adjustable filter, I wanted to use an electrical noise source to generate an FFT spectrum graph on my oscilloscope. To set up the test, I reached for my ...

When it comes to performance, there's a world of difference between the Raspberry Pi and Arduino. The former, after all, is technically a fully functional computer that can run games, word processors, ...

My son started playing competitive tennis at eight. What I didn't expect was that following his matches would be the hard part. At local courts and junior tournaments, scoreboards are surprisingly ...

Have you ever wondered how speed guns measure the speed of moving vehicles or how an athlete's sprint speed is recorded? Normally these speed sensors work with radar or laser technology to bounce back ...

If you have a keen interest in electronics or are a do-it-yourself enthusiast, you absolutely need to have a few tools and accessories at your disposal at all times. One of them is a soldering iron.

This is a DIY ESP32-based split-flap display, optimized for easy assembly at home in small quantities but able to be scaled up to large affordable displays. The splitflap community Discord server is ...

The Arduino Opta micro programmable logic controller (PLC) provides a unique entry point into the automation field. Automation fields like smart homes, process controls, and robotics are project areas ...