Article View: comp.robotics
Article #838Re: dirt cheap immersion sensor?
From: Paul Carroll
Date: Thu, 29 Nov 1990 16:56
Date: Thu, 29 Nov 1990 16:56
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1408 bytes
> I need a cheap, fast, and small sensor to detect when its been submerged > in (fresh) water. I assume that this sort of thing exists for turning > on automatic bilge pumps. We need one for our EAVE vehicle, but I was > also considering an automatic waterbowl filler for my cats... > > -Roger Okay, I'll bite. What's wrong with a simple float attached to a lever or string? This would work if some part is going to be underwater enough for the float to be moved. It would be important to make sure that the float is able to move freely. ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ + Paul Carroll "Schizophrenia + + HP Logic Systems Division And I thought I was really sick + + paulc%hp-lsd@hplabs.hp.com I am beside myself." + + -- Spiffi + ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
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arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!usc!apple!agate!shelby!unix!hplabs!hpcc05!col!hpldola!hp-lsd!paulcReferences:
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!usc!apple!agate!shelby!unix!hplabs!hpcc05!col!hpldola!hp-lsd!paulc From: paulc@hp-lsd.COS.HP.COM (Paul Carroll) Newsgroups: comp.robotics Subject: Re: dirt cheap immersion sensor? Message-ID: <24270004@hp-lsd.COS.HP.COM> Date: 29 Nov 90 16:56:29 GMT References: <1990Nov24.211134.28944@uunet!unhd> Organization: HP Logic Systems Division - ColoSpgs, CO Lines: 19