

Without trying something similar yet, here are some ideas:
- motion sensor on top of your shower
- trying to detect the vibration of the water flow
- a simple switch that you hit before you get into the shower
Also think of other times you “use” the shower, like cleaning it. Some methods will also be triggered then.




https://youtu.be/Sr_SGkqrrdM?is=7GxyTNchVeFc9IZw
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