No door, its an open stairway on the landing with three doors close by, one of which is the bathroom which I’m already getting false motion detected (I’m assuming we emit passive infra red even out of ‘sight’ of the motion sensor).
I suspect a motion sensor tucked between the banister rails pointing directly across the top stair or two as a kind of beam break with the sensitivity turned way down is probably the right answer.
Just doesn’t look very good so may need to paint one of my motion sensors brown to go with all the wood!!!
Thanks durosity for the eBay link, that was my thinking but that looks pretty big so probably just need to find a way to disguise a motion sensor
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