This laser message scroller is built with inexpensive parts. The heart of [Raul’s] system is a spinning pill-box with eight mirrors on it. Each redirects the laser to a different vertical portion of ...
We’ve seen a lot of arcade machine builds here on Hackaday. Seriously, a lot. Even more so since the Raspberry Pi took over the world and made it so you didn’t have to cannibalize an old laptop to ...