[sdiy] Simplest stuff to begin with, and a few questions

[Oren Leavitt]

Hi Robotboy,

Take a look at the LM324 data sheet, there are many examples, including 
oscillators and filters, that you can put together that will run off of 
a single 9V battery.

http://www.national.com/ds/LM/LM124.pdf

Oren

Robotboy8 at aol.com wrote:

> So what would you all say is the simplest module to begin with?  
> Absolute simplest in terms of building and soforth?
>
> Also, I'm thinking of designing modules for 9v batteries and headphone 
> outputs (the better to make music on the Metro, at school, and 
> soforth) and leaving most things on breadboard until I'm VERY sure I'm 
> happy with the module.
>
> Sorry for rambling so, but I also think I've designed a REALLY simple 
> oscillator from two transistors, two variable caps, two resistors, an 
> output jack, and a battery.  As soon as I get back to my computer (as 
> opposed to this one, which hasn't got the schematic on it) I'll post 
> it somewhere, though you all can probably see how I'm thinking it 
> would work... I haven't a clue what values to use for the parts, though.


-- 
Oren Leavitt
oleavitt at ix.netcom.com