warning lamp with Euro lights

[mike]

Anybody thought about putting a couple of turns of the
headlight wire round a reed switch and using that as
an input to the lamp monitor?

mike

 --- Phil Payne <quattro at isham-research.com> wrote: >
> Theory: Current would be measured very simply by a
> coil around the wire -
> > the coil wire should have some voltage when
> current flows through the
> > headlight wire.
>
> Bad theory.  You will only get a current in your
> coil when the current in
> the wire _changes_.
>
> --
>   Phil Payne
>   http://www.isham-research.com
>   +44 7785 302 803
>   +49 173 6242039
>
>

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