The persistence of vision (POV) optical illusion is pretty common in cheap toys nowadays, but how cool would it be to have your own programmable POV message board? German electronics grad student ...

Just when you think the POV thing has run out of gas, along comes [mitxela] to liven things up. In this, he’s taken the whole persistence of vision display concept and literally spun up something very ...

The project illustrates the possibility of creating a low-priced laser projector by expanding the extremely popular LED persistence of vision (POV) devices and using the same POV concept as the ...