In a recent video [QWZ Labs] demonstrates an interesting technique to use 3D printing to make creating custom PCBs rather straightforward even if all you have is a 3D printer …read more (https://hackaday.com/2026/01/28/using-3d-printing-and-copper-tape-to-make-pcbs/)

Light Following Robot Does It The Analog Way
https://hackaday.com/2026/01/28/light-following-robot-does-it-the-analog-way/

If you wanted to build a robot that chased light, you might start thinking about Raspberry Pis, cameras, and off-the-shelf computer vision systems. However, it needn’t be so complex. [Ed] …read more (https://hackaday.com/2026/01/28/light-following-robot-does-it-the-analog-way/)

X-Cube Prism Becomes Dichoric Disco Ball
https://hackaday.com/2026/01/28/x-cube-prism-becomes-dichoric-disco-ball/

You’ve likely seen an X-cube, a dichoric prism used to split light into its constituent colours–you know, those fun little cubes you get when tearing apart a broken projector. Have …read more (https://hackaday.com/2026/01/28/x-cube-prism-becomes-dichoric-disco-ball/)

Ultimate Picture Frame Combines Walnut and 3D Printing
https://hackaday.com/2026/01/28/ultimate-picture-frame-combines-walnut-and-3d-printing/

[Make Something] boasts he has made probably the fanciest picture frame you’ll ever see. He started with an original sign purchased on eBay and then made it to be bigger, …read more (https://hackaday.com/2026/01/28/ultimate-picture-frame-combines-walnut-and-3d-printing/)

Buildling A Light That Reacts To Radio Waves
https://hackaday.com/2026/01/29/buildling-a-light-that-reacts-to-radio-waves/

When it comes to electromagnetic waves, humans can really only directly perceive a very small part of the overall spectrum, which we call “visible light.” [rootkid] recently built an art …read more (https://hackaday.com/2026/01/29/buildling-a-light-that-reacts-to-radio-waves/)