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] ...

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 ...

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

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 ...

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 ...

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

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

The PICO-8 is what is known as a ‘fantasy console’– you can program it, and there are oodles of games, but it’s not actually the 8-bit console it pretends to be. It’s a virtual machine, one that can ...