UFO-shaped hovering mood lamp uses magnets for levitation and an ESP32 to control LEDs and behavior. Battery-powered: Li-Po + TP4056 charger, DC-DC boost to 5V, wired to ESP32 and LEDs. Community ...
What if the strings of a guitar could float, untethered, held in place by nothing but invisible magnetic forces? It sounds like the stuff of science fiction, but Mattias Krantz outlines how he turned ...