News Enthusiast spends 6 years building 'world's most impractical display' — 1,000-pixel wood panel uses a hacked-apart CNC machine to change a single p...

Interesting concept, but I would have come up with a solenoid based design. Just be mindful of the holding current. If you have ever worked on a a pinball game, the solenoid power supply is massive. You could end up with a 2KW low pixel count display!