Check if multiple dorr & windows closed or open

I have 11 door/windos sensors. I like to make a RGB lamp turn red if one or more sensors is open and if all sensors are closed the lamp shall be turnd off… The red RGB is not so important just a lamp on/off is great!
One sensor → lamp is easy but more then one…? i can not fix it :frowning:

Optional is to make the RGB lamp flash green if any of the battery powerd devices are on low power…?

Is it possible? Thanks!

Look at Reactor. I think you will find all you need there. Watch the videos to get started.

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Invert your logic and it’ll make sense. The light should be off if no sensors are open. This, combined with reactor is the easy way to implement this.

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