Voltage Change = Execute Script/Program

[Tod Merley]

> Date: Sun, 12 Feb 2006 19:11:21 -0500
> From: Phillip Susi <psusi at cfl.rr.com>
> Subject: Re: Voltage Change = Execute Script/Program
> To: Ubuntu Help and User Discussions <ubuntu-users at lists.ubuntu.com>
> Message-ID: <43EFCEA9.50307 at cfl.rr.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> Tod Merley wrote:
> > Hi All!
> >
> > If you wanted to or do use an external voltage change (say was +5 volts
> > D.C. - Now is 0 Volts D.C.) to trigger a script or other program how
> > would or do you do it in Ubuntu?
> >
>
> Voltage of what?  Please try to be more specific with your questions,
> that one is rather vague so we have no idea what you're talking about.


Hi Phillip!

Thanks for the response.

The voltage change (yet to be designed - lots of flexibility here - for
example we could make it +12vDC @ 300ohms <+12vDC at 300ohms> = high and -12vDC
@ 300ohms <+12vDC at 300ohms> = low  as in classic RS-232 or we could use a
"pull up" resistor into a CMOS/TTL type device.

The voltage change would come from an operator button press.

Thanks again!

Tod
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