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  LiveWire / Teen Forums / Science & Business / Viewing Topic

Learn everything about electronics / technology?
Replies: 10Last Post Jan. 18 12:26pm by Greatta
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( penumbra  )


Wealthy Hobo
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I would like to become a master in the field, through self-study means, as opposed to the tedious process of getting a degree. I would like to learn about computing, cutting edge technology, and the fundamental electronic/mechanical components which make up this technology.

I have many textbooks on my computer, but dont know where to start and find that textbooks bog you down too much in specificities. Could anyone more knowledgeable than i recommend broad categories that i break my studies into and where i may be able to obtain this information in a more efficient manner?

Thank you so much! :)


2:46 am on April 18, 2013 | Joined: June 2008 | Days Active: 454
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The Raggedy Doctor


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what do you want to do computers (inc tablet and smartphones here)

or a wide range of them

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2:53 am on April 18, 2013 | Joined: Feb. 2006 | Days Active: 3,433
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( penumbra  )


Wealthy Hobo
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Quote: from Link01 at 2:53 am on April 18, 2013

what do you want to do computers (inc tablet and smartphones here)

or a wide range of them


I guess the broad range of electronics. I want to be able to understand the underlying principles and devices used in anything from toasters to TV's to computers to cellphones to electron microscopes.

Taking on a lot, i know. But i have time and dedication :)


2:56 am on April 18, 2013 | Joined: June 2008 | Days Active: 454
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The Raggedy Doctor


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Quote: from penumbra at 10:56 am on April 18, 2013

Quote: from Link01 at 2:53 am on April 18, 2013

what do you want to do computers (inc tablet and smartphones here)  

 or a wide range of them


I guess the broad range of electronics. I want to be able to understand the underlying principles and devices used in anything from toasters to TV's to computers to cellphones to electron microscopes.

Taking on a lot, i know. But i have time and dedication :)


then i suggest splitting Up study

lets say in IT

PC
Laptops
Smartphones
Tablets

Study those individual (PC and laptops would have the same software etc)

do it in segments

If you have more interest with what makes a toaster tick try that first etc

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3:00 am on April 18, 2013 | Joined: Feb. 2006 | Days Active: 3,433
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you might consider doing a course in them aswell

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3:02 am on April 18, 2013 | Joined: Feb. 2006 | Days Active: 3,433
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( penumbra  )


Wealthy Hobo
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Ok, ill try it like that. Thanks for the help!

3:06 am on April 18, 2013 | Joined: June 2008 | Days Active: 454
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polio

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i recommend starting from the basics and going from there. so learn about circuits, diodes, resistors, transistors, and all that kerfuffle. (since CPUs are just millions of little transistors). get at least a rough idea of the physics behind it so you can move on to more complicated things.

3:14 am on April 18, 2013 | Joined: Feb. 2007 | Days Active: 1,862
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Quote: from polio at 11:14 am on April 18, 2013

i recommend starting from the basics and going from there. so learn about circuits, diodes, resistors, transistors, and all that kerfuffle. (since CPUs are just millions of little transistors). get at least a rough idea of the physics behind it so you can move on to more complicated things.

I'm a 3rd year electronic engineering student at University.
Pretty much this. Learn your transistors, move up to logic gates, then onto small logic circuits. Without doing electronics in college that's pretty much all you can do. Looking through my bookshelf, there's no books that I can suggest that would be useful by themselves unless you've got a pretty good physics background.  

I was watching a TED talk the other day about this. http://www.nand2tetris.org/ It's an open source course that teaches you digital electronics from a simple NAND logic gate (2 transistors) all the way to a basic computer, including binary logic, assembler, writing compilers and programming in (I think) a java based language to make a Tetris program.

If you want to skip large portions of the hardware development and move towards embedded programming then there are some pretty good Arduino tutorials on Youtube, get yourself one of them and you can learn basic electronics and embedded C at the same time.

If you need any help, please send me a PM, I've got exams coming up soon and I find that teaching is one of the best ways that I revise. I can give you the rough layout of my course so you can get an idea of good stages to work up in.

Post edited at 5:06 am on April 18, 2013 by G Sus

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5:04 am on April 18, 2013 | Joined: Mar. 2008 | Days Active: 1,189
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What's your level of understanding now? Do you know have a basic idea of what things like transistors, capacitors, inductors, diodes, etc. do? If not, here's a really good book:

http://tinyurl.com/coafjjc

It looks childish, but I actually learned quite a bit from it. It illustrates electronic principles in a very creative way.

This is also pretty good:
http://tinyurl.com/ch75cfb

Also buy a multimeter, bread board and some electronic components and play around. That will help. Practice reading schematics.

Unfortunately, I haven't really found any good websites that go from the basics up to advanced electronics. I ended up taking classes and I'm really glad I did. I can now look at a circuit and calculate all the theoretical voltages, currents and frequencies and understand what something does just by looking at a circuit board. The community college here is pretty excellent for that though. My professors have been engineers at HP and Intel for 20+ years.

I guess one piece of advice I have is to look at each component and make sure you understand it in-depth. Start with resistors--voltage dividers, parallel, series, current limiting, etc. Resistors are simple but we use the crap out of them so you should get really comfortable there.

Know this:
https://en.wikipedia.org/wiki/Kirchhoff%27s_circuit_laws

Then you can look at transistor biasing:

https://en.wikipedia.org/wiki/Bipolar_transistor_biasing

Sit down with a spec sheet for a transistor and look up every symbol. Alpha, beta/hfe, re', etc. Then you can follow the formulas on wikipedia and see how biasing effects gain and q-point.

Then you could move on to FETs and opamps.


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10:16 am on April 20, 2013 | Joined: Nov. 2005 | Days Active: 1,506
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Chesiffon


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You probably wanna do something similar to a computer science curriculum, which touches on most things involved in electronics (emphasis on software). Then get the equivalent of two semesters of college physics (the way physics text books are set up I think you wouldn't be able to skip many concepts unfortunately. It's all good to know stuff anyhow. But definitely focus on the stuff directly relevant to electronics) and then delve more deeply into electrical engineering and computer engineering. From there out you should more or less know where you want to go next.

Post edited at 4:45 am on April 27, 2013 by Chesiffon


4:42 am on April 27, 2013 | Joined: April 2007 | Days Active: 609
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Greatta


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I think you might be interested in this site http://www.raritysoft.com/. On this site a lot of different reviews of applications and programs, you can safely download the application and test it to work, you can put your application or your program in this site and discuss with other users..

12:26 pm on Jan. 18, 2017 | Joined: Nov. 2015 | Days Active: 15
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