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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 22. Experiment 22: Logically Audible

In this experiment I want to take a break from logic problems and probability. I’m going to show you how to build something that is fun, weird, and simple (although later in the book, I’m going to find a way to make it more complicated). I’m going to show you how to pass audio signals through logic chips.

Background: Neither Here nor Theremin

Long ago, in the earliest days of electronics, a gadget called a theremin created creepy noises on the sound tracks of horror movies. The theremin (pronounced “ther-a-min”) was played in real time by a performer who waved his or her hands around two rods that were sensitive to fluctuations in capacitance between the theremin and ground. A skilled operator could make ...

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Publisher Resources

ISBN: 9781449344030Errata PagePurchase book