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/)

These Ultra-Cute, Handsfree Walkie-Talkies Are Built For Cycling
https://hackaday.com/2026/01/29/these-ultra-cute-handsfree-walkie-talkies-are-built-for-cycling/

Walkie-talkies are great fun, and [RealCorebb]’s bbTalkie project takes the concept a step further by adding some extremely cool features to make a highly refined, self-contained ESP32-based communicator. bbTalkie completely …read more (https://hackaday.com/2026/01/29/these-ultra-cute-handsfree-walkie-talkies-are-built-for-cycling/)

Solar Supercapacitor Lamp Probably Won’t Get You Saved At Sea
https://hackaday.com/2026/01/29/solar-supercapacitor-lamp-probably-wont-get-you-saved-at-sea/

Most solar lights are cheap garbage that exist just to put more microplastics into the environment as they degrade in short order. [Jeremy Cook] built his own solar light, however, …read more (https://hackaday.com/2026/01/29/solar-supercapacitor-lamp-probably-wont-get-you-saved-at-sea/)

Rare-Earth-Free Magnets With High Entropy Borides
https://hackaday.com/2026/01/29/rare-earth-free-magnets-with-high-entropy-borides/

Although most of us simultaneously accept the premise that magnets are quite literally everywhere and that few people know how they work, a major problem with magnets today is that …read more (https://hackaday.com/2026/01/29/rare-earth-free-magnets-with-high-entropy-borides/)

Lazarustorm Lets a PiStorm Live Outside Your Old Amiga
https://hackaday.com/2026/01/29/lazarustorm-lets-a-pistorm-live-outside-your-old-amiga/