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46  Forum 2005-2010 (read only) / Frequently-Asked Questions / Re: water sensor on: September 30, 2009, 03:49:23 pm
ahuh i see...
would you mind explaining the drawing DanDare?
47  Forum 2005-2010 (read only) / Frequently-Asked Questions / Re: water sensor on: September 30, 2009, 10:46:50 am
@Dandare

that is quite interesting actually! so the idea is the two outer arms will move with the water and then when a boat actually comes by and produces wakes, itll be strong enough to make the arms touch the fixed one which will trigger stuff to happen.

very very interesting!
48  Forum 2005-2010 (read only) / Frequently-Asked Questions / Re: water sensor on: September 30, 2009, 10:38:42 am
actually going with the bobbing float idea...is there a way to put a motion sensor in there so that at a certain degree of motion, the bob will send a signal to arduino in the bubble machine (on land about 7 feet away) via xbee?
49  Forum 2005-2010 (read only) / Frequently-Asked Questions / Re: water sensor on: September 30, 2009, 10:34:44 am
that is the idea more or less!

50  Forum 2005-2010 (read only) / Frequently-Asked Questions / Re: water sensor on: September 30, 2009, 10:20:28 am
ok so perhaps i should further explain

ok so these canals have water boats that zip by and dock, causing boat wakes and thus undulations (and therefore turbulence). So lets imagine a still canal (kinda not normal but for example purposes let's run with it smiley-wink  ) and a motor boat will come by. the wake produced by this boat cause large wave undulations. Now my advisor suggested we actually get a sensor that will measure these undulations. and by what i am seeing, its not gonna be that easy  smiley-razz.  But i think a good idea would be to have some sort of sensor or device that can determine light bouncing off the waves generated. (and i know some of you mentioned that already thanks so much!)....the purpose of this project is to HIGHLIGHT the fact that boats cause undulations which in turn corrode canal walls. THis is highlighted by a bubble machine.
51  Forum 2005-2010 (read only) / Frequently-Asked Questions / Re: water sensor on: September 30, 2009, 08:27:20 am
wow! thanks for all the replies everyone!

So in terms of size and whatnot, we plan to attach the sensor in some way to a canal wall which is about 50 to200 feet in width. From there, turbulence will be detected and the arduino will send a signal to a bubble machine that is about 7 feet away to go off. My thoughts on this was to use a sort of "communication system" between each arduino, in that perhaps whenever the canal arduino LED light turns on from water turbulence, the second arduino will see the light and thus act as a battery to turn on the bubble machine(the second arduino would be in the bubble machine itself).
52  Forum 2005-2010 (read only) / Frequently-Asked Questions / water sensor on: September 29, 2009, 03:59:20 pm
Hello guys! i am very very new to Arduino, but the stuff that can be made from this is uber fantastic. So i am doing a project that involves making a sensor that can detect water turbulence, and once detected will send a signal to another arduino some distance away that will trigger a bubble machine to turn on and blow bubbles. What types of devices should i be looking for? Is there a project here that is similar to this one?
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