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 ...

[Kyle] wanted to try something new. A Persistence of Vision Clock using a CD-ROM drive. We have covered lots of POV Clocks that make use of hard drives, but we think this is the first time we have ...