Re: Measuring my electricity consumption.....

[ant <blowback@xxxxxxxxx>]

On Wed, 9 Feb 2005 18:36:30 +0000, James Fidell <james@xxxxxxx>
wrote:
>

> Here we have an old "whizzy wheel" (at least, ours whizzes
:) meter.
> I've been wondering if it might not still be possible to use a similar
> method to count the number of times the black marker on the edge of
the
> wheel passes.

I have a whizzy wheel meter, and I count the rotations of the black
mark using a reflective 45-degree infra red optocoupler that I gummed
to the meter's face with some putty, and a PIC circuit. If you're
interested I'll dig out the part number.

cheers

ant