My reliable low-tech solution to this has been to use a microswitch with a
rubber band around it, held open by a sugar cube.
It is best to use the normally closed contacts.
When there is enough water to dissolve the sugar cube, the lever moves in
and opens the contacts.
This might also be useful as a vermin detector ;)
-Rob
On Sat, Jul 6, 2013 at 10:40 AM, Peter Hollenbeck <[email protected]> wrote:
> I am building a 26 foot wood power boat. The bilge below the cabin and
> afterdeck floor is 7 sealed water tight (hopefully) compartments. I plan no
> inspection ports but would like a way to detect moisture. If there were an
> appropriate sensor I could embed one in each compartment and occasionally
> hook up a Raspberry Pi and check for the presence of water. Cost is a
> consideration.
>
> I would appreciate suggestions.
> Thanks,
> Peter
>
>
>
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