Running water detection

[Lauri 6]

What is the best method to detect if water is running? I would like to turn on my kitchen spot lights if room is dark and someone opens tap to wah hands/dishes or etc.

Lauri

[kivilaid 2]

+1

[JanJoh 1]

What is the best method to detect if water is running? I would like to turn on my kitchen spot lights if room is dark and someone opens tap to wah hands/dishes or etc.

Lauri

Globally for a house, I would say something like

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Locally for a specific tap, i would say:

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Then a Arduino/RPi or something to make sense of the Readings.