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Make: More Electronics
book

Make: More Electronics

by Charles Platt
April 2014
Beginner to intermediate content levelBeginner to intermediate
392 pages
14h 57m
English
Make: Community
Content preview from Make: More Electronics

Chapter 24. Experiment 24: Adding It Up

Before I move on from logic gates to other topics, I wouldn’t be doing a thorough job if I didn’t show you the most fundamental logic application: adding numbers. You already have a calculator, which is far more powerful than anything you are likely to build yourself; but in my experience, there is something slightly magical about putting together your own little circuit that can perform basic arithmetic.

The Five Rules of Binary

Because logic chips only have two states—low and high—they are ideal for representing the 0s and 1s of binary code. Therefore, to make a circuit that adds numbers, you have to use binary addition. The good news is that there are only five rules for adding binary numbers, three of ...

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Publisher Resources

ISBN: 9781449344030Errata PagePurchase book