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Hall effect flow meter help

e14 Contributor

I have a hall effect flow meter and I can get it to read the current flow.....but, what I need to do is read the total  (say 100 litres) and then stop the flow thru a solenoid.  At the same time have a redundant timed stop that starts timing when the flow starts...energizing the solenoid, then de-energizing the solenoid (stopping flow) after 10 minutes.  I have no idea how to do the code here...please help.  Also, was wondering if I could done with Minibloq graffic programer? (or is minibloq limited)....as I'm using this for the rest of this project.  Thank you GJ.

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    Thanks all...

     

    I'll have to test the rest of the code I have now....then post.  Perhaps I'm being lazyish...but I'm struggling and trying to do it without having to go back to school for a degree in calculus. Great suggestion...the float switch but I probably could get around using the arduino all together if I went that route.  I did try and haven't had much luck in finding any real examples of the flow meter/ total...tho, the timed stop I should be able to figure out.  Do you think if I counted all the pulses for the flow stop (and scaled it for the read-out) that would be accurate and consistent....hmmm?  Am I looking to deep....back to the lab.

     

    jack

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    Thanks all...

     

    I'll have to test the rest of the code I have now....then post.  Perhaps I'm being lazyish...but I'm struggling and trying to do it without having to go back to school for a degree in calculus. Great suggestion...the float switch but I probably could get around using the arduino all together if I went that route.  I did try and haven't had much luck in finding any real examples of the flow meter/ total...tho, the timed stop I should be able to figure out.  Do you think if I counted all the pulses for the flow stop (and scaled it for the read-out) that would be accurate and consistent....hmmm?  Am I looking to deep....back to the lab.

     

    jack

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