Author Topic: Cheap magnet strength meter.  (Read 25 times)

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Offline CG

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Cheap magnet strength meter.
« on: January 30, 2022, 02:19:48 pm »
I made this awhile back, I can't remember if I posted it or not.
It's a magnet strength meter made from a clear plastic cassette tape box and a permanent magnet.
It measures relative magnet strength just so you can compare magnets and identify the poles.
It cost less than a dollar to make.

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Offline Caleb

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Re: Cheap magnet strength meter.
« Reply #1 on: January 30, 2022, 07:39:50 pm »
Neat idea!