Re: counting impulses from an LED

["Dave" <me@xxxxxx>]

"Patrick B" <zut.rdnzl@xxxxxxx> wrote in message
news:1gvgvk0.irbpjt1rumvk0N%zut.rdnzl@xxxxxxxxxx
> Marc Gerges <marc.gerges@xxxxxxxxx> wrote:
>
> > Good evening everybody --
> >
> > My problem is this: there's a pulsing LED on my power meter that I'd
> > like to use to track my electricity usage. The LED pulses 500 times per
> > kWh usage, that translates to a pulse every 20s in normal times, but
> > could go up to a pulse a second.
>
> Hello Marc, are you in France ? is it an "electronic" power meter ? I
> ahev one too, but I am cosnidering using the teleinfo digital output
> instead of the led flashes...
>
> Patrick
Hi Patrick, I'm in France have experimented with the teleinfo port on my
meter I'll dig the information out if you like?. From memory it's a ~50khz
signal turned on and off to represent the 1's and zeros at 9600baud 8N1.

Dave...