Reed Switch Motor and Computer based RPM meter

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Uploaded by on Jul 27, 2009

In this video, I use a computer to measure the RPM of a reed switch motor. For more details visit http://ashishrd.blogspot.com

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Howto & Style

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All Comments (8)

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  • If you have two magnets, the Counter measures 2 RPM per turn. So the rate at computer is the half.

  • can you use the second reed switch to trigger another relay? Im thinking of making one of these so that i can send a 12vdc pulse to a second relay for pulsing a 12 volt signal to something else.

  • Hi

    Where can I find reed switch which does not get burnt ?

    I am making electromagnet which needs to be on/off by fast rotating magnet. Power supply is 12V car battery. Thanks Charlie

  • 4000+ RPM HAHAHAHA, your counter broken

  • how exactly did u measure the rpm

  • were did you get the coil?

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