The Planted Tank Forum - View Single Post - Arduino Diy pH probe
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Old 02-03-2013, 10:13 PM   #20
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So I've got the pH displaying on the LCD at this point, working on button controls. However, I'm encountering some really weird problems. When I run the set up on its own directly from the outlet power it gets crazy pH fluctations. It's only stable when it's attached to my computer. I'm starting to think that my adapter is messed up.
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