Suggestions on getting more power?

Projects General Guidance
1

So I have an Arduino UNO starter kit and I've been threw the whole starter book. I'm currently working on a GUI using C# for a full on input and output reader for my studies.

So to the point, my next project is controlling a strip of RGB LEDs and they require 12v. I was wondering what kind of options I have for getting more power? I don't have a DC power supply witch would be nice maybe I can get a small one for cheap?

I have also read this: http://bildr.org/2011/03/high-power-control-with-arduino-and-tip120/
Talks about using a Transistor like a switch allowing me to add more power.

What are my best options for getting more power?

3

12V wallwart would be best,.
Or a 5V to 12V step-up or boost converter.

5V to 12V, 1.4A, $3.95. Need good 5V supply to start.

4

Transistor like AOI514 will let you control the current thru the RGB LED strips, buffering the Arduino output signal.

5

As you state that they require 12V, you will probably also know how much power they require. That determines what you must look for.

In the stuff that I collected over the years was a power supply / charcher for an old laptop; 12V / 2A DC. Old cellphone chargers might also do; just check the voltage and current rating as well as if it's AC or DC out.

6

So I think I got the 12v DC wall plug however idk about the transistor, is there any I can get from Amazon. I have no idea what i'm looking for and I've checked my electronic tackle box full of parts but I can't find one.

Also Thanks for the help guys!

7

bump*

8

2nd time; Transistor like AOI514 will let you control the current thru the RGB LED strips, buffering the Arduino output signal.
http://www.digikey.com/product-search/en?keywords=aoi514

9

Yeah I got that, I was asking if there was any Transistors like that on Amazon? Thanks for the Help