This mechanically scanned propeller LED clock was made from 7 LEDs that gives the illusion of number in the air as it spins. During operation, a PIC16F84 microcontroller keeps track of time and ...
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 text or picture for ...
When is a clock not a clock? When it's a big fat, programmable, five-character, 18-segment display, a bit like the Alpha Clock Five from Evil Mad Science. Its 2.3 inch 18-segment alphanumeric ...