I made a few Fidget Spinners with a 3D printer, grabbed some Red Bearings, and used spray paint to make my own DIY hand spinner. The spinner is insanely fast and works absolutely great! It was easy to ...

Build festive decorations using Arduino and Raspberry Pi with these five creative holiday projects and video tutorials ...

Editor’s Note: December 10, 2025: We’ve reviewed these selections to ensure they are available and competitively priced. To further update our coverage, with a focus on ease-of-use, we’ve called in ...

I had this idea of building my own bicycle lighting system totally personalized, the lights would have the exact lighting ...

If you have a 3D printer, your nozzle and heater block are invariably covered in a weird goo consisting of decomposed and burnt plastic. There’s only one way around this – a nozzle sock, or a silicone ...

Hackaday Editors Elliot Williams and Al Williams met up to cover the best of Hackaday this week, and they want you to listen ...