Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, badgers <badgers@...> wrote:
>
> hello, I use Linux and I am interested in building a PCB for a circuit 
> that I did not design.
> It is a 7106 A/D with LCD driver to be used as a thermostat with a
diode 
> and a 9 volt LM7809 volt regulator.
> 
> The circuit is based on Fig 18 on Page 13 of the following PDF>
> http://www.cpdee.ufmg.br/~aguirre/datasheets/FN3082.PDF
> 
> there are a lot of little traces to connect between the 7106 and the
3.5 
> digit LCD panel.
> 
> This will be run off of a car electrical system so the 12-14 volt input 
> is being regulated by the 9 volt linear chip. 
> I want to use the methods pointed out at this page for physical 
> construction of the board>
> http://www.fullnet.com/u/tomg/gooteepc.htm
> 
> PS if anyone has used this chip I am open to suggestions, I already
have 
> the chip, LCD and regulator.
> I have a ton of resistors.
> 
> Thank you for your help and have a good day.


Hi.    Welcome to the forum.   I use Eagle Light 4.16 (freeware) under
Linux.   The rpm is available as a free download from CADSoft.    The
free version has a limit on the size of the board--I think it's
something like 3 inches by 4 inches.

I haven't used that particular A/D.   Sorry I can't be more helpful. 
I am interested in knowing which LCD you're using with it.    Did you
breadboard that circuit?

Cheers,
Alan