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water sensor - sensor to pump control

R/C Submarine modelers

Postby boatbuilder1 » Sat Nov 01, 2003 3:04 pm

I am looking for a small compact water sensor to turn on a pump is there a devise available I thought there was a schematic in the bruggen book but no dice I just want a simple device to turn the pump on incase there is a leak is there a device or home brew remedy for this
thanks ca
charlie



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Postby KOEZE » Sat Nov 01, 2003 5:36 pm

Do a google for water detector circuit. There must be tens of them around suitable for your needs.

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Postby dietzer » Sun Nov 02, 2003 1:33 am

If you'd like to just buy a solution, check out the following:

http://battlersconnection.com/html/wireswitches.html

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Postby Sub culture » Sun Nov 02, 2003 6:42 am

You may want to take a look at the Dive manager built by model controllers.

This device has a built in water sensor, propotional ESC, servo valve control and failsafe. It's primarily designed for use with a compressed air ballast system, but can easily be adapted to work with a water pump instead.

They used to cost about £27 direct, and I think they're still available at that price.

http://www.modelcontrollers.co.uk

Cheers

Andy
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Postby dietzer » Fri Nov 07, 2003 1:21 pm

Here's a simple, build-it-yourself, circuit for automatic pump control:

http://www.eskimo.com/~phill/wcc/wctech03.htm

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Postby boatbuilder1 » Sun Nov 09, 2003 9:05 pm

thanks guys realy helpful I have to make it myself sas little room in the krick uboat
charlie



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Postby Sub culture » Mon Nov 17, 2003 6:59 pm

Well if you can make something smaller than the model controllers dive manager, I wish you luck.

Mike uses surface mount componentry in his designs, and the price he charges is less than the cost of the components in my experience.

The dive manager is only 1"x2".

Andy
'Why are you staring at an empty pond?'

Want to dive your boat in crystal clear water? Then you had better Dive-in- http://www.diveintomodelsubmarines.co.uk
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