I made this Arduino 8 bit binary led counter as a solution for one member from Arduino forum. He asked if somebody can make a project that displays a decimal number in 8 bit binary format using 8 leds ...
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, ...
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