Dot matrix printers are the dinosaurs that won’t go extinct. They are not unlike a typewriter with the type bars behind the ink ribbon replaced by a row of metal pins controlled by solenoids, each pin ...
Instructables has posted a step-by-step guide to creating your very own dot-matrix display out of not much more than a collection of LEDs, a few wires, some resistors, and a microcontroller. The guy ...
Display makers might be obsessed with flexible and bendable screens, but such LCDs and OLEDs aren't the only ways to make an interesting display. What about one that floats in mid air? That's ...