The humble cathode ray tube (CRT) was once the technology behind almost all of our televisions and computer displays. Its ...

Many HVAC systems in North America operate off 24V systems, which can be readily upgraded with off-the-shelf  smart ...

As we learn more about all the nasty stuff floating in the air, it becomes more compelling to monitor the air for pollution ...

When Elliot Williams and Al Williams compare their notes on the week in Hackaday, you know you’ll get at least one or two bad puns. How bad? Tune in and find out. This week, Tom Nardi visits ...

If you have a desktop 3D printer, you probably want something to hang filament spools on. [LVTRC] has a spool roller that ...

There’s retrogaming, and then there’s retro gaming. This next project falls into the second category, as [Callan] of 74XX ...

VPNs, Virtual Private Networks, aren’t just a good idea to keep your data secure: for millions of people living under ...

Liquid nitrogen isn’t exactly an everyday material, but it’s acquired conveniently enough to be used in extreme overclocking experiments, classroom demonstrations, chemistry and physics experiments, ...

The basic principle of radar systems is simple enough: send a radio signal out, and measure the time it takes for a reflection to return. Given the abundant sources of RF signals – television signals, ...

Everyone is probably familiar with the concept of battery-powered devices, but generally, this involves a laptop with a beefy battery pack and hardware optimized for low power draw. You could also do ...

The Eufymake E1 is a recently-released prosumer UV printer that can print high-resolution color images onto pretty much anything. It also uses proprietary ink cartridges (which integrate a magnetic ...

Some time ago, LEGO released a beautiful (and somewhat pricey) typewriter set that was modeled after one used by company founder Ole Kirk Kristiansen. To the disappointment of some, it doesn’t ...