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Ping and Water Levels — Parallax Forums

Ping and Water Levels

edgellmhedgellmh Posts: 85
edited 2009-10-05 18:10 in General Discussion
Sometime ago I came across an article about attempts to use the PING sensor to measure water levels. I wish to measure water levels in my cisterns that are much deeper, ~1 meter, than the new Parallax water level sensor can handle. Does anyone remember where that old PING article is?

marshall edgell
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