Hobby Electronics Basics Breadboard basics

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Subject Author Date
Breadboard basics Trista 01-04-06
Posted by ehsjr on January 5, 2006, 7:51 pm
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Trista wrote:
>         
> OK, I know absolutly nothing about electronics but I'm trying to learn
> some basic electronics/circuits by myself.
> So, I got a breadboard, a book with some basic electronic info and
> projects, some components and a variable power supply that has 3V, 6V,
> 9V and 12V.
> My question is how do I connect the power supply to the breadboard.
> The breadboard I got was one that has 3220 holes and is mounted on to
> a black backing plate that has 4 connectors labled Va, Vb, Vc and
> Ground.

Those connectors are called "binding posts".

> Do I connect the red and black wires from the power supply to the red
> and black connectors on the backing plate?

Yes.


Would I use the matching
> red and black connectors from the breadboard?

Yes.

And where should I put
> them? Va, Vb?

Yes - your red power supply wire connects to the red post - Va
and your black power supply wire connects to the black post - Vb.

What do I do about the ground?

Ignore it and Vc, at least for now.

> From there how would I power the circuits so that my led will glow
> like it says it should in the book.

You connect a jumper wire to each of the posts (Va, Vb).
The other end of the jumper wire is plugged into a hole
in the breadboard. Usually, you use a short jumper from
the red binding post to one of the red color coded holes
in the long strip immediately below the binding post. Repeat
fro the black binding post, putting the other end of the
wire into one of the blue color coded holes. That makes
all red color coded holes in that strip +, and all blue
color coded holes -.

Then you use separate jumpers from your circuit to
any one of the color coded holes in the strip.

> I did search the internet for breadboard basics, but couldn't seem to
> find any info on how the power supply should be hooked up.
> Any and all advice would be appreciated.
>
> Thanks.
>

Electrically, your board looks like this
(one vertical strip shown):


(Va) (Vb) (Vc) (Gnd)

.........................................Red
.........................................Blue

|| ..... ||
|| ..... ||
|| ..... ||
|| ..... ||
|| ..... ||
|| ..... ||
|| ..... ||

etc

All | characters are connected vertically
and not connected horizontally.
All . characters are connected horizontally and not
connected vertically.

Note that there is no connection to Va, Vb, Vc or gnd -
you must supply the connection you want with jumpers.

Ed

Posted by ehsjr on January 6, 2006, 1:59 pm
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Trista wrote:
>         
> OK, I know absolutly nothing about electronics but I'm trying to learn
> some basic electronics/circuits by myself.
> So, I got a breadboard, a book with some basic electronic info and
> projects, some components and a variable power supply that has 3V, 6V,
> 9V and 12V.
> My question is how do I connect the power supply to the breadboard.
> The breadboard I got was one that has 3220 holes and is mounted on to
> a black backing plate that has 4 connectors labled Va, Vb, Vc and
> Ground.
> Do I connect the red and black wires from the power supply to the red
> and black connectors on the backing plate? Would I use the matching
> red and black connectors from the breadboard? And where should I put
> them? Va, Vb? What do I do about the ground?
> From there how would I power the circuits so that my led will glow
> like it says it should in the book.
> I did search the internet for breadboard basics, but couldn't seem to
> find any info on how the power supply should be hooked up.
> Any and all advice would be appreciated.
>
> Thanks.
>

Here's a site that tells you how to use breadboards, with pictures.

http://pheatt.emporia.edu/courses/2004/cs220f04/oopic/electronics/index.html

Go there, click on construction, then click on breadboard.

Thanks to Mark, a friend in Australia, who pointed it out.

Ed

Posted by Trista on January 10, 2006, 9:58 pm
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Just wanted to say thanks to all who responded. I'v got my breadboard
setup, and my first projet working: the LED lit up!!

Onward to the next project!

GO! ME!

LOL

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