That’s just what [Tobi4sDE] has done though, with his desktop BCD binary LED clock. The front panel is a black PCB on which sit the LEDs that form the binary display, and its back holds an ...

[youtube=http://www.youtube.com/watch?v=-hxZRCponks&hl=en&fs=1&rel=0][Mark Roy] designed this fine RGB LED desktop clock. It uses a PIC16F877A microcontroller and a ...