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Recommended Rivers

Arduino Hack – How to Make a pH Meter!

Here’s an awesome Arduino hack that shows you how to make a pH meter.  I was thinking that this could be great for automating the pool maintenance where you have to check the water’s pH level among other things.  That could be a LOT of money, automated water stabilizer!

Now, I gave you a great idea for a niche business, someone go please make it! (well, I guess there’s such thing as automatic pool cleaner already, oops!)

For example

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Autonomous Robotic Fish On Its Way to Fish Out Pollution!


An autonomous Robotic fish is on its way to fish out pollution.  With the increasing number of toxic waste in our waters, it seems that a robotic solution is necessary and the researchers from University of Essex are working around the clock to develop this cool fish that can use its sensors to determine any pollutants that are present.

These robot fish will relay the location of contaminants via Wi-Fi underwater and they can assimilate with other fish.  Using GPS, they can also navigate themselv

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