Bidirectional tidal flow

[golf nut]

Originally Posted by sphelps

haha, get that out of there! I can't remove it

BTW that still wouldn't work as simply as you think. Once the switch makes contact and shuts off the movement what then tells it to move on? You still need a smart relay. And you can't run a cam, it's sealed to prevent water leakage, it would have to magnetism which would react properly with the magnets already present.

It is running on my desk as we speak

I am sensing the motor shaft which is directly related to the magnets on the other side of the membrane.