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/)