Electrical Project... okay, somewhat. Not really.

[rawfuls]

Reviving this thread, since I'm determined to make this happen!

I want to utilize this basic circuit:
But unsure where my changes would need to go.


But want to also include a small speaker (stole from an old telephone speaker), and instead of the 12V power source, use a 9V battery.

If possible, I'd also like to use one of these LED light strips too:
But I don't know if that would operate off a 9V?
http://www.hobbyking.com/hobbyking/s...RED_1mtr_.html