You don’t need much to do a persistence of vision display. A few LEDs and a processor is all it really takes. [B45i] made a simple PC board with five LEDs and an ATtiny CPU. There’s a battery and it ...

[bitluni]’s laser-based display pretending to be a an old-school vector CRT. Phosphor-based displays like CRTs rely on the phosphor to emit light for a set amount of time after being activated, ...