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Not quite that simple, but you could arrange a touch sensor to be actuated
by a small cylinder. Use a number of rubber bands to hold the cylinder
"in" or ""down" to equal the force corresponding to the pressure you want
in the tank. Put air from the tank into the bottom of the cylinder, so
when fully "charged" it overcomes the rubber band force, and pushes on the
touch sensor.
Others have come up with very clever self regulating compressor designs, if
that would suit. Check the archives.
Jeff
Jeffrey Hazen
North Mill Technology
jeffrey.hazen@northmill.net
-----Original Message-----
From: Krusty [SMTP:surfside_guy@nospam.hotmail.com]
Sent: Friday, February 09, 2001 9:38 AM
To: lugnet.technic@lugnet.com; lugnet.robotics@lugnet.com
Subject: A dream Mindstorms/Technic piece...
I'd LOVE a way to place a sensor on the blue pneumatic tank that would
reply
with a 1 if the tank was 'charged' or a 0 if it's not 'charged'.
Any way to do this you think? I'm picturing something that would go on one
end of the tank between the tank and whatever tubing you would use.
--
"...and all that road going, all the people dreaming in the immensity of
it...and tonight the stars'll be out, and don't you know God is Pooh
Bear?" -- Jack Kerouac, On the Road
-- http://www.users.sccoast.net/jeff
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Message has 1 Reply:
 | | Re: A dream Mindstorms/Technic piece...
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| (...) I've just put a brief description and some photos of my new "pneumatic and electric hand controller with integrated on demand compressor" doohickey on my website. It uses the switch on the small black 9V battery box as part of the pressure (...) (24 years ago, 9-Feb-01, to lugnet.technic, lugnet.robotics)
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