[sdiy] Free Electronics CAD/Simulation program?

[Harry Bissell Jr]

Try TIIN-TI at Texas Instruments site.

It does not have any 'non-TI' models but
you should be able to cope.

H^) harry

--- Josh Henne <jhenneocad at hotmail.com> wrote:

> Hello All;
> 
> I have a bunch of module schematics I'd like to
> build,  but I am unsure if 
> the schematics are drawn correctly since there are
> no dots or "curves" to 
> indicate which "wires" are joined or overlap. So
> before I blow a few 
> components on a breadboard I'd like to see if I can
> simulate or verify the 
> circuit in some sort of CAD program to check for
> errors. Is there anything 
> that's free that can do this? I realise it might be
> hard to simulate certain 
> IC's especially if it's something older.
> 
> BTW what's a good tool for cutting/punching out
> perfect rectangular or 
> square holes in panels.. say If I want rectangular
> LEDs instead of round?... 
> what I wouldn't do for a CNC cadcam machine......
> 
> Josh
> 
> 
>