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Subject: Re: Detecting current drawn through wire...
Date: Thu, 3 Oct 2002 22:51:21 +0100
NNTP-Posting-Date: 3 Oct 2002 21:51:19 GMT
X-Newsreader: Microsoft Outlook Express 6.00.2600.0000
Thanks for all your input! I'll give all the ideas a looking at to see which
is easiest to implement.
I knew that wrapping a coil around the wire wouldn't do it by itself, I just
needed a push in the right direction.
"Mr_Ree" wrote in message
> I have installed a PIR security light (240vac - UK) and want to add an
> internal sounder. It would be very difficult to add any further wiring to
> the light, so I need to detect the vast increase in current drawn through
> the Live feed or Neutral return. I was thinking along the lines of
> a coil of wire around the cable and detecting the increase in magnetic
> I'm quite versed in electronics, but I'm not getting the time to sit &
> design , so looking for a jump start. Sounder driving & timing - no
> just the detection bit.
> Any ideas?
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