#The best way of combining motion sensors

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rough moss
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Hi,
What is the best way of combining motion sensors?
I have two scenarios:

  1. use more than one motion sensor to trigger a switch. The reason for that is twofold
    a). a dying battery on one of them won't affect the experience (sensors close to each other as a backup)
    OR
    b). the automation to be maintained from two locations. I think this complicates it a bit as one sensor can turn on the light but the other sensor would have to maintain it in ON position
    (sensors not close to each other)

  2. use more than one motion sensor to trigger a notification. Rather than configuring a notification on every sensor, to select multiple and add to a group.

limber joltBOT
thorn owl
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Add them to a binary_sensor group

rough moss
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thank you

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Ok, I created binary sensor groups
which group type should I use for notifications? also binary?

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I know it's to do with notifications which I can group but this is to do with motion sensors so any can trigger the notification

thorn owl
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Binary is only for binary sensors

rough moss
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ok so Notify group for notification methods (e.g. email, Telegram)
how about the motion sensors themselves?
Just to group them, the state does not matter in this case, any can trigger on it's own independently from the others

thorn owl
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Depends on your goal

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Do you want to trigger one automation when any one is on?

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Do you want to do different things when different sensors are tripped?

rough moss
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this would be for security so one+ notification is fine

thorn owl
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Groups work for merging things, so you can treat them as one thing

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Groups don't work (without lots of template work) when you want to treat them separately

rough moss
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right

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ok so let me group the notifications and I add the sensors by hand not a big deal

thorn owl