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Electronics and magnets of computer operated organ

These are in a pressure chamber. If the magnets are told that they have to pull, then the pipe on top will blow. The electronics are quite simple. Just mosfets. The program has been written in forth language, of which I do not have any knowledge. I did the wooden construction and the electronics. My friend who is a real geek did the software.

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Comment by deedee on August 13, 2012 at 9:11am

The electronic circuit is controlled by a program that drives the parallel port of a PC. The commands are sent to an interface that drives the mosfets of the magnets.

Comment by Ted Crocker on August 12, 2012 at 5:02pm

What controls the circuit?

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