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Read e-book online Make: Electronics: Learning Through Discovery (2nd Edition) PDF

By Charles Platt

ISBN-10: 1680450247

ISBN-13: 9781680450248

"This is instructing at its best!"
—Hans Camenzind, inventor of the 555 timer (the world's so much profitable built-in circuit), and writer of Much Ado approximately nearly not anything: Man's stumble upon with the Electron (Booklocker.com)
"A wonderful booklet: good written, good paced, enjoyable, and informative. I additionally love the humorousness. It's excellent at disarming the phobia. And it's gorgeous. I'll be recommending this publication highly."
—Tom Igoe, writer of actual Computing and Making issues TalkWant to benefit the basics of electronics in a enjoyable, hands-on means? With Make: Electronics, you'll begin engaged on genuine initiatives once you crack open the publication. discover all the key elements and crucial rules via a chain of interesting experiments. You'll construct the circuits first, then study the speculation at the back of them!

Build operating units, from easy to complex

You'll commence with the fundamentals after which flow directly to extra advanced tasks. pass from switching circuits to built-in circuits, and from basic alarms to programmable microcontrollers. step by step directions and greater than 500 full-color photos and illustrations can assist you utilize — and comprehend — electronics thoughts and techniques.

•Discover by means of breaking issues: scan with parts and research from failure
•Set up a tricked-out undertaking area: make a piece quarter at domestic, outfitted with the instruments and components you'll need
•Make your digital tasks programmable with Arduino
•Learn approximately key digital parts and their services inside of a circuit
•Create an intrusion alarm, vacation lighting fixtures, wearable digital jewellery, audio processors, a reflex tester, and a mix lock
•Build an independent robotic cart which could experience its atmosphere and steer clear of obstacles
•Get transparent, easy-to-understand reasons of what you're doing and why

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Extra resources for Make: Electronics: Learning Through Discovery (2nd Edition)

Example text

00006. Again, if you find this too confusing, you can use a calculator. But sometimes it’s quicker to use a pen and paper—or even do it in your head. Theory: The Math on Your Tongue I’m going back to the question I asked in the previous experiment: why didn’t your tongue get hot? Now that you know Ohm’s Law, you can figure out the answer in numbers. Let’s suppose the battery delivered its rated 9 volts, and your tongue had a resistance of 50K, which is 50,000 ohms. As always, begin by writing down what you know: V = 9 R = 50,000 Chapter 1: The Basics 31 Experiment 4: Variable Resistance You want to know the current, I, so you use the version of Ohm’s Law that puts this on the left: ways remember that a battery is an active part of a circuit.

Silver means that the value of the resistor is accurate within 10%, while gold means that the value is accurate within 5%. This is known as the tolerance of the resistor. • If you don’t find a silver or gold stripe, turn the resistor so that the colored stripes are clustered at the left end. Usually there are three of them. If there are four, I’ll deal with those in a moment. • The colors of the first two stripes, from left to right, tell you the first two digits in the value of the resistor. The color of the third stripe from the left tells you how many zeros follow the two numbers.

Vinegar or grapefruit juice may also work. Experiment 5: Let’s Make a Battery Theory: The Nature of Electricity To understand why the lemon battery works, you have to start with some basic information about atoms. Each atom consists of a nucleus at the center, containing particles called protons, which have a positive charge. The nucleus is surrounded by electrons, which carry a negative charge. Breaking up the nucleus of an atom requires a lot of energy, and can also liberate a lot of energy—as happens in a nuclear explosion.

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Make: Electronics: Learning Through Discovery (2nd Edition) by Charles Platt


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