Hands On - Make: Electronics

Friday, April 30, 2010

Chapter 5 - Shopping List Update

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Got a few more items in for Chapter 5 from various sources. First, I purchased 10 germanium diodes and a single piezoelectric earphone from ...
8 comments:

Chapter 5 - Exercise 28

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I'd never seen this application of a coil, but the theory you'll read about for Experiment 28 makes sense. In the first part of the ...
1 comment:
Wednesday, April 28, 2010

ePub digital edition - Update

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Thanks go to Seth over at O'Reilly Media, Inc for emailing me an updated version of the book - as you can see, the cover looks great on ...
Monday, April 26, 2010

Chapter 5 - Exercise 27

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Exercise 27 calls for you to destroy a small 2" speaker... the way these speakers are designed, I don't think you'll be repairi...
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Friday, April 23, 2010

Chapter 5 - Exercise 26

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This was another fun little exercise that I've seen in various forms over the years... the picture on page 241 (Figure 5-22) really does...

Make: Electronics - ePub version

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My printed copy of the book is getting... worn. While sharing it last week with folks at WorldFest, it got handled by kids, adults, and adu...
Thursday, April 22, 2010

Chapter 5 - Exercise 25

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As the author says, this is an experiment I've seen done numerous times in the past... but never done myself. I remember my high school...

Chapter 5 - Shopping List Update

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I used to look forward to the occasional Amazon box that would show up on my doorstep. Not anymore... now it's boxes from Mouser or All...
Tuesday, April 20, 2010

Chapter 5 - Work Area and Misc

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While I wait for my final shipment of parts to arrive for Chapter 5, I've read over the first part of the chapter covering the work area...
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Wednesday, April 14, 2010

Chapter 5 - Shopping List

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I've begun ordering some of the components for chapter 5... but not all. I'll try and get a detailed list (with part #s and prices)...

Chapter 4 - Experiment 24 Overview

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I never got my Alarm System to work quite right back in Chapter 3 ... after re-checking the circuit board (this one was soldered, so any err...

Multimeter - one day deal

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Just for today - a nice price on a good multimeter - I'll remove this post when the item is sold out. http://auto.tooliday.com/
Tuesday, April 13, 2010

Components Pack 2

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I received my Components Pack 2 today... very well done. I can't believe I'm seeing all those hard to find (or at least, slow to f...
Monday, April 12, 2010

Chapter 24 - Exercise 23 Complete

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The photos here show the circuit on page 219 (Figure 4-109). I'm not sure if I'll go forward with the enhancement described on page...
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Friday, April 9, 2010

Still Alive... (great song, btw... name that game?)

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One of my books that I'm writing had it's deadline bumped up by 2 weeks... so I've been working like crazy to get the last chapt...
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Wednesday, March 31, 2010

Chapter 4 - Exercise 23 Update

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Someone please double-check me on this, but I hit a roadblock this week when I realized I didn't have any of the 1N4148 signal diodes sp...
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Friday, March 26, 2010

Chapter 4 - Exercise 23 Part 1

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I had to really squint to find my 7492 chip - the writing on this particular chip was so small I used my magnifying glass... not kidding. I...
Wednesday, March 24, 2010

Spring Cleaning!!

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As you can see from this photo, my work area has become a hazard area... looking ahead to Chapter 5, I can see a section devoted to getting ...

Chapter 4 - Exercise 22 - Completed

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Exercise 22 is fairly short, but I can see a lot of uses for the ability to use a NAND or NOR chip to flip back and forth between states and...
Monday, March 22, 2010

Chapter 4 - Exercise 21 - Completed

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One thing I'm certainly learning through this process is that no matter how many times you check and double-check your circuit, you'...
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James Floyd Kelly (Jim)
Freelance writer from Atlanta, GA - I write technology books.
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