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/)