Ben Willcox wrote:
wrote:
I would like to derive an audio alert from a PIR floodlight. To be more
specific: let's say I have the floodlight above a back window and
driven from a three-pin plug from inside. I would be happy to bring
additional cabling from the PIR.

I will shortly be doing something similar, however I will use standalone
PIRs to trigger a digtal input to a home automation controller. The plan
is to simply use the 240V switched output of the PIR to drive a relay
with a 240V coil. Then I can use the relay contacts to do whatever...

The smallest/cheapest relays I could find with a 240VAC coil are about a
fiver each from Farnell - a shame as the PIRs only cost me =A32 each!


Those PIRs work outside? (Or as well as any PIR works outside -- I seem
to get no more than two years out of my floodlights, but then they do
get the full force of south-westerlies.) You couldn't give a brand
namme and/or model no.?

I assume that if I look carefully (online -- unfortunately no store
nearby), I can get all this from Maplin?

Many thanks,

Jon C.