This is a DIY electronics project article that teaches readers how to build a low-cost 3D LiDAR mapping system using a ...

Radar, this project from [Mateusz Juszczyk] isn’t actually using radar. But thanks to the round LCD this desktop gadget does ...

Hackaday’s Elliot Williams and Al Williams were in a retro mood this week. There was a new ‘486 computer, a new mechanical TV, and a USB stick with a magnetic personality. Can you ...

While building a simpler model for particle interactions, physicists found a new representation involving pi—not a new value for pi, and not a replacement for the one you learned in school.

Compare the best receipt scanner apps for 2026, including pricing, features, pros and cons, and top use cases for small businesses. Looking for an app to help you track expenses, scan invoices, and ...

Semiconductor detectors that directly measure the electrical signals produced by X-rays have hugely improved the resolution and contrast of computed tomography scanners. In the 1970s computed ...