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hall effect sensor

what kind of hall effect sensor would I need to make an electromagnetic suspension device? where from?

2 answers	Answer it!

Apr 3, 2009. 6:56 PM

PuffMag1cDrag0n says:

I am not sure what is used in the video but I pulled a hall effect sensor out of an old 3.5" floppy drive and used it to make a
http://www.instructables.com/id/Magno-Sniffer-Magnetic-Sniffer-Probe-Whistler-Thi/

Apr 17, 2009. 8:09 AMsabre (author) says:

cool project. thanks for the info