CHAPTER 22
Binary Clock
This project uses different colored LEDs to display the time. However, it displays the time in binary, with a 1 being indicated by the LED being lit (Figure 22-1).
FIGURE 22-1 Binary clock.
Binary
The decimal numbers that we usually use have 10 possible digits in each position. That is, each digit is between 0 and 9, and if we need a number bigger than 9, we add another digit that counts in 10s rather than single units.
Binary only has two possible values in each digit position—a 1 or a 0. Therefore, this means that ...
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