My progress in learning electronics

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BritishGeek

BritishGeek

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AmiBayer
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Ok so far I have learned about:

- Types of electricity and how it all works
- Ohm's Law
- Basic electronic components and what they do
- How to read electric schematics

and have made several different small projects with my Learning Lab including various type of switches, how resistors work and how to use a bread board.

Might seem trivial to many of you experts but I am actually loving it so far and am really understanding what I am doing :p

I can see myself going far with this :thumbsup:
 
hi mate great stuff keep it up.

you can either store your bread in it or play C64 games on it :)
 
haha i saw my error and corrected it to bread board. I have commodore on the brain LOL

johnim said:
hi mate great stuff keep it up.

you can either store your bread in it or play C64 games on it :)
Click to expand...
 
It's a really worthwhile hobby mate. It's also dead handy when surrounded by so many older computers. You'll get plenty of practice keeping them going or fixing them up. :)
 
BritishGeek said:
Ok so far I have learned about:

- Types of electricity and how it all works
- Ohm's Law
- Basic electronic components and what they do
- How to read electric schematics

and have made several different small projects with my Learning Lab including various type of switches, how resistors work and how to use a bread board.

Might seem trivial to many of you experts but I am actually loving it so far and am really understanding what I am doing :p

I can see myself going far with this :thumbsup:
Click to expand...

Learn about Thevenin's and Norton's theorems for solving cyrcuits. (these are very intresting.), ow and the voltage divider.

Also, if you have an android phone try Electroid, it's an A class software, very usefull for electronic engineers and not only.

---------- Post added at 02:01 ---------- Previous post was at 01:56 ----------
r0jaws said:
It's a really worthwhile hobby mate. It's also dead handy when surrounded by so many older computers. You'll get plenty of practice keeping them going or fixing them up. :)
Click to expand...


Everything, in electrical and electronic engineering worthwhile, believe me i started studying electrical engineering and i already planning ahead for my thesis.

Hint: X9 is going to be mah biatch;P

---------- Post added at 02:05 ---------- Previous post was at 02:01 ----------

Also a very, VERY good resource, if you want to kill some time, http://ocw.mit.edu/courses/electric...s-and-electronics-spring-2007/video-lectures/
 
Crap, I used to know plenty about circuits. Now I'm just a hopeless hack. If you don't use it, you lose it. Gotta get back into it -- good for the brain too. :-)
 
learn ohms law of by heart as you will use it all the time
the other easy formula is Power or Wattage, P = I × V
 
cosmicfrog said:
learn ohms law of by heart as you will use it all the time
the other easy formula is Power or Wattage, P = I × V
Click to expand...

...for DC circuits! AC with inductance still does my nut in.

Remember Ohm's law as a triangle:
V
R I
web_ohms_law_triangle.gif
 
@BritishGeek:
I became an armchair electronics hobbyist about a year and a half ago as well. I've since finished a few pre-built projects and a simple project of my own design as well (a Z80 cpu tester). I've done a bunch of small projects with the 555/556 timer as well.

The goal was to build my own completely functional Z80 computer, although, I've had so much fun and been sidetracked by so many other small electronics projects, I haven't made as much progress as I would have liked.

If there is anything that I can help with though, please just ask! I'm a noob still, but, might be able to help out anyways.
 
Thanks, much appreciated. I am totally loving it. My intent was just as yours: to build a Z80 computer but I already see that I will be getting sidetracked LOL. I have a couple of small kits that I can learn and practice my soldering on and there is a Fignition kit on it's way to me.

I got my soldering/hot air station in yesterday and set it all up. Can't wait to use it but am still doing some theory and building on my Test Lab :roll:

I am really trying to learn to walk before I run, it's hard not to want to keep doing more but I am forcing myself to know the theory behind what I am doing as to better understand it.

Thanks to everybody else for the encouragement, it is a great motivator for me :thumbsup:

Iain

drwho said:
@BritishGeek:
I became an armchair electronics hobbyist about a year and a half ago as well. I've since finished a few pre-built projects and a simple project of my own design as well (a Z80 cpu tester). I've done a bunch of small projects with the 555/556 timer as well.

The goal was to build my own completely functional Z80 computer, although, I've had so much fun and been sidetracked by so many other small electronics projects, I haven't made as much progress as I would have liked.

If there is anything that I can help with though, please just ask! I'm a noob still, but, might be able to help out anyways.
Click to expand...
 
I totally agree on the "walk before you run" concept. It is the hardest thing to do.

Basically, what I tried to do was, visit my local electronics shop ("You-Do-It" Electronics here in Newton, MA) and buy projects that I could use for my bigger projects. For example, my first kit was a variable DC power supply which went up to 14v @ 1amp. This was a nice easy kit to start with, helped me work on my soldering and finishing it was a real moral booster.

The bonus is that even though I have a nice bench supply, this project makes a great power supply for my Z80 project, since all I need is +5v DC.
 
just thought of a few more

How to use ya multimeter when testin for Volts or Amps cos if you get it wrong
you can kiss good by to it

so Amps is always in circuit and volts isn`t

also testin volts generally you can use any Ground, when you get further you will know when u can`t, cos all volts is is a potential difference between 2 places

A good and reliable Power pack, these days there are plenty about and can be found in most computers least thats where I get mine from as you get 12v,5 and 3.3v straight away its almost as if it was designed to run modern electronics ;)
 
cosmicfrog said:
the other easy formula is Power or Wattage, P = I × V
Click to expand...

That one comes up far too often in my day job! You have a 32A mains feed at 230V AC, how many 250W servers can you run off it without making anything explode?
 
I dunno about anything exploding.

But it will certainly make several UPS's squeal like a pig...
 
And the truth of the matter is you can go to 15 servers, because more than that and you overload the air conditioning! :lol:
 
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