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3 Creative DIY Gadgets with Ball Bearings: Fidget Spinners, LED Effects & Smartphone Lens!

Explore three innovative DIY projects in this video, each utilizing ball bearings to create unique spinning gadgets. Learn ...
Hackaday

A Musically-Reactive LED Christmas Tree

Regular Christmas trees don’t emit light, nor do they react to music. If you want both things in a holiday decoration, consider this build from [dbmaking].  An ESP32-D1 mini runs the show ...