[Poking Technology] doesn’t think much of his new smartwatch. It is, by his admission, the cheapest possible smartwatch, coming in at about $3. It has very few useful features but he has figured ...

If you ever encounter a British engineer of a certain age, the chances are that even if they use a modern DMM they’ll have a big boxy multimeter in their possession. This is the famous Avo 8, in ...

[Zach Armstrong] presents for your viewing pleasure a simple guide to building a solid-state Tesla coil. The design is based around a self-resonant setup using the UCC2742x gate driver IC, which ...

Here at Hackaday we’re suckers for vintage promotional movies, and we’ve brought you quite a few over the years. Their boundless optimism and confidence in whatever product they are advancing ...

[RCLifeOn] happened upon an old petrol-powered ATV that had seen better days. He decided it was the perfect candidate for a conversion to electric drive. First up, the chassis was stripped back ...

Among all the things you could find at MCH2022, there were a few CTFs (Capture The Flag exercises) – in particular, every badge contained an application that you could try and break into ...

Crimp connectors provide an easy and convenient way to connect electronics while still allowing for them to be removed and swapped without having to reach for a soldering iron and desoldering wick.

LoRa is great for sending short data packets over long ranges but is not normally suitable for voice communications. [Dan Fay] is looking to change this with QMesh, a synchronized, flooded mesh ...

When thinking about loops in programming languages, they often get simplified down to a conditions section and a body, but ...

The late 1990s saw the widespread introduction of solid-state storage based around NAND Flash. Ranging from memory cards for ...

There’s nothing more guaranteed to excite a grizzled old railway enthusiast than the sight of a steam locomotive. The ...

Casting parts in silicone is great, and 3D printing in resin is fantastic for making clean shapes, so it’s natural for an enterprising hacker to want to put the two together: 3D print the mold ...