Binary Clock

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Understanding The Binary Clock

 

A true binary clock, it shows the time on "LEDs" to show the hour, minute, and seconds in binary numbers. Only 3 lines, 18 LEDs.

The idea of the binary clock is simple. Instead of displaying numbers in base 10 (which most people are used to), it uses binary (base 2) which only uses 1s and 0s. Because there are only two digits, lights can be used in place of the digits. "On" signifies a 1 and "Off" means 0. Reading the clock is only a matter of converting the binary value to decimal.

Binary Clock Graphic

How to read binary

In binary:
0 -> 0
1 -> 1
2 -> 10
3 -> 11
4 -> 100
5 -> 101
6 -> 110
7 -> 111
8 -> 1000
9 -> 1001

If numbers were displayed this way you could not tell the difference between 1, 2, 4, and 8, therefore all numbers are padded with leading zeros, so as to be four digits.

Thus:
0 -> 0000
1 -> 0001
2 -> 0010
3 -> 0011
4 -> 0100
5 -> 0101
6 -> 0110
7 -> 0111
8 -> 1000
9 -> 1001
(light = 1, dark = 0)

We hope this article has increased your understanding of how Binary works.  You should probably take the time to learn now while its still a novelty.