The neon dot matrix displays in pinball machines of this era are finicky devices with a lot of stuff that can go wrong. On powering the display up, [Quinn] noticed a few columns on the left side ...

18 year old maker and developer Nikodem Bartnik from Poland, has created and awesome Arduino-based dot-matrix printer, capable of creating art on paper 55 cm wide and as long as you need, thanks ...

There are so many nice hacks in [Joekutz]’s retro LED display project that it’s hard to know where to start. There’s his DIY LED display controlled by an Arduino UNO. To have some… ...

When a Minnesota outfit of all-star DIY-ers called 1.21 Jigawatts won this summer’s Red Bull Creation Contest, we couldn’t wait to have them create a project just for PM readers.