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 ...

If you have pet with a little access door to the outside world, and that pet happens to be a cat, you’re likely on the receiving end of all kinds of lifeless little lagniappes. Don’t worry, it’s CES ...

[Kevin O’Connor] writes to us about his project, can2040 – adding CAN support to the RP2040. The RP2040 doesn’t have a CAN peripheral, but [Kevin] wrote code for the RP2040’s PIO engine that can ...

[Frank Adams] liked the keyboard on his Lenovo ThinkPad T61 so much that he decided to design an adapter so he could use it over USB with the Teensy microcontroller. He got the Trackpoint working, and ...

No matter what kind of computer or phone you are reading this on, it probably has a graphics system that would have been a powerful computer on its own back in the 1980s. When the IBM PC came out, you ...

In the past few years we’ve seen the rise of low-power mesh networking devices for everything from IoT devices, weather stations, and even off-grid communications networks. These radio modules are ...