Re: X10 device to detect open circuit or voltage drop

["Greg (codepug@xxxxxxxxx)" <codepug@xxxxxxxxx>]

On Nov 9, 6:17=A0pm, "Bob F" <bobnos...@xxxxxxxxx> wrote:
> code...@xxxxxxxxx wrote:
> > On Nov 1, 1:11 pm, nob...@xxxxxxxxxxxx (Dave Houston) wrote:
> >> "Greg (code...@xxxxxxxxx)" <code...@xxxxxxxxx> wrote:
> >>> Which X10 device would be used to detect a low voltage drop, or
> >>> open circuit ? It seems that the powerflash does the reverse.
>
> >> It might help if you tell us the specifics of what you want to do.
> >> No X10 module is designed to do exactly what you want but we may be
> >> able to come up with suggestions on how to use them or other devices
> >> to accomplish your goals.
>
> >> For example, many of the Smarthome modules will send an x10 code
> >> when the load they control is turned off.
>
> > I have snap style temperature sensors that are normally closed. I want
> > to detect when the
> > circuit opens, and be able to send an x10 signal to a red light. The
> > problem is that the
> > powerflash module only sends a lights ON signal when a circuit closes.
> > I do not have a
> > computer available in this location to interpret an OFF signal to mean
> > ON. What are my options ?
>
> You could use a resister in series with the sensor, fed by a power supply=
, with
> the powerflash module wired across the sensor. Thus, it will get voltage =
when
> the sensor opens.- Hide quoted text -
>
> - Show quoted text -

Would you be able to elaborate further, since I am only familiar with
very basic electronics
and am using 3-snap sensors (normally closed) and is curently in
series. How does this get
wired ?