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 ...

The Radio Shack TRS-80 Colour Computer may never have achieved the sales volume of its competitors from Commodore or Apple, ...

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] ...

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 ...

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

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 ...

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

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 ...

As locked-down as the Amazon Echo Show line of devices are, they’re still just ARM-based Android devices, which makes repurposing it somewhat straightforward as long as what you want is another ...

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