Of course, there’s nothing unusual about using 7-segment displays, especially in a clock. However, [Edison Science Corner] didn’t buy displays. Instead, he fabricated them from a PCB us… ...

With any luck, perhaps these are the opening shots in an arms race to see who can build the largest array of multi-segment LED displays. Posted in Art , LED Hacks Tagged art , graphical , LED ...

Output devices: Motors, solenoids, bulbs, buzzers, relays, LEDs, 7-segment displays. Circuit diagrams show connections. Relays: Electrically operated switches ...