What if you could see sound? A Chladni plate uses a speaker and small particles, like sand, to give you a visual representation of sound, and [CrazyScience] shows you how to make one. The plate ...

Years ago, I wrote an article describing different I2C-on-a-connector ecosystems, explaining their strengths, weaknesses, and ...

Navigation is easy these days, as we’ve entire complex computerized mapping systems and radio-based positioning systems to ...

Miniaturization is one thing, but how would you like to design a transmitter that attaches to a butterfly? That’s what the BlūMorpho transmitter is made to do, according to [Tom Jokinen] ...

For as long as there have been sports cars, there have been blokes in tin sheds making their own sports cars. It’s a pursuit ...

The ESP32 series of microcontrollers feature a lot on these pages, offering as they do a significantly powerful processor and ...

Mr Carlson’s Lab] saves a Fluke Model 407 high-voltage power supply from the scrap heap, and demonstrates carefully ...

The recently released Valve Steam Machine is somewhat awkward in that it uses a custom, non-standard PCB and non-standard power supply. This fact apparently has irked some people who decided that it ...

For most people, just getting any old microcontroller or system on chip (SoC) from our favorite – or cheapest – vendor is more than good enough. But if you’re really into high ...

Despite not being inherently any better at converting electricity into heat, induction-heated soldering irons often ...

Vehicles have come with diagnostic ports for many years now, and there are a host of easily available tools to interrogate ...

Rockets certainly have a substantial impact if you ever see a launch in person. The noise, shock waves, and even heat can be ...