DIY mechatronics always has some unique challenges when relying on simple tools. 3D printing enables some great abilities but high precision gearboxes are still a difficult problem for many.

Although there are some ferries and commercial boats that use a multi-hull design, the most recognizable catamarans by far are those used for sailing. They have a number of advantages over ...

Some readers may recall building a line-following robot during their school days. Involving some IR LEDs, perhaps a bit of LEGO, and plenty of trial-and-error, it was fun on a tiny scale. Now ...

Every year lightning strikes cause a lot of damage — with the high-voltage discharges being a major risk to buildings, ...

When you’ve had some kind of injury, rehabilitation can be challenging. You often need to be careful about how you’re using ...

You’re designing an oscilloscope with modest storage — only 15,000 samples per channel. However, the sample rate is at 5 Gs/s ...

Hackaday’s Elliot Williams and Kristina Panos met up across the universe to bring you the latest news, mystery sound, and of ...

If you take two objects with fairly smooth surfaces, and put these together, you would not expect them to stick together. At ...

Mira] found himself slipping into a bit of a rabbit hole while investigating why only under Apple II MAME emulation there was ...

No, see, it’s what’s inside that counts. Believe it or not, [nobutternoparm] retrofitted this innocent, adorable little ...

The Intel 8051 series of 8-bit microcontrollers is long-discontinued by its original manufacturer, but lives on as a core ...

The word “Schlieren” is German, and translates roughly to “streaks”. What is streaky photography, and why might you want to ...