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Author Topic: Magnet Pole-Detector schematic...needed  (Read 5370 times)

Offline tchr

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Magnet Pole-Detector schematic...needed
« on: February 11, 2013, 10:33:31 AM »
Such a simple thing is driving my students nuts! We are needing a simple to make 'magnet' pole detector circuit that my Jr High / Middle School students can make in my beginning Electronics class. Preferably with the use of a couple LED colored lights to detect North and South. Don't need to know 'how strong' of a magnet, just North or South.....

Any suggestions or posts would greatly be appreciated. - Thanks in advance. This will definitely make some projects work better.

the old shop tchr of 40+ years now trying to teach electronics  ;D

Offline Romero

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Re: Magnet Pole-Detector schematic...needed
« Reply #1 on: February 11, 2013, 11:37:12 AM »
these days most of the people are using smartphones and there are few free applications just for that. I am using it myself on my iphone.
and for Android phones https://play.google.com/store/apps/details?id=nu.fdp.pole_finder

I hope that helps.


Offline Hitman

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Re: Magnet Pole-Detector schematic...needed
« Reply #2 on: February 11, 2013, 11:47:34 AM »
It wouldn't be very hard to construct something like that using a hall effect transistor.

Cheers Hitman

Offline tchr

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Re: Magnet Pole-Detector schematic...needed
« Reply #4 on: February 11, 2013, 02:51:06 PM »

Thank you for the tip about APP's that may be used with cell phones, but all electronic devices are forbidden here at school at this level...

Thank you for the post and place to look for making a North/South magnetic indicator.  It will be something that we will  try putting together, as soon as we get the parts.

I appreciate your help.

Hope your day has gone well for you and tomorrow goes even better.

The ole shop tchr.


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