The circuit is featuring a binary display on a daily timer since the evolution of binary clocks, which have been used for planning time ON and time OFF using a relay. The relay used is operating in a ...

If you are looking for a unique timepiece to wear on your wrist, then this quirky LED Binary watch might be worth a look. The watch uses 10 blue LEDs to display the time in binary format: 1, 2, 4, 8, ...