I thought motion sensors were mostly Passive InfraRed - so don't get set
off by trees. And the sensitivity can normally be set so that cats don't
trigger them. Man sized animals might be a different issue (but then it
might be good to be able to see if there is something like a bear
hanging around...)
Neil
On 02/03/2012 17:55, Randall wrote:
>>> I'd like to switch off the porch
>>> light over the shop steps,
>> How about a motion sensor light?
> Possibly too obvious for words, but JIC: Being outdoors, a motion sensor
> will pick up all sorts of things other than you walking away from the shop,
> and turn the light back on. Especially if there are trees or anything that
> can move with the wind.
>
> This isn't exactly inexpensive, but might work:
> http://goo.gl/N8HTP
> Here's a slightly less expensive version of the same thing:
> http://goo.gl/gQw5g
>
> -- Randall
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