Author Topic: Not necessarily Vera-related: real time flow metering?  (Read 1643 times)

Offline rlmalisz

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Not necessarily Vera-related: real time flow metering?
« on: July 23, 2012, 07:48:15 pm »
We working on a home-grown irrigation program to drive our Rain8s.  Our PUD doesn't remand sewer charges for sub-metering, but after a couple events, we're thinking we'd like to be able to get real-time flow gallonage for our drip and sprinklers.  Something that we can feedback into the control program, which will have a pretty good idea what the gallonage should be at any time.

The right place to install a sub-meter would be just downstream from our backflow preventer.  I don't have wiring to that spot from the garage now, but can pull a 5 or 7 strand if that's needed.  The easiest way for me, conceptually, would be to have a real time HTTP URL I can ping from our local network to get current flow rate.

But I am open to suggestions.  Given the fairly high geek factor in these fora, I suspect someone here has invented this mousetrap, at least once.