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 Step 1: Get a blue banner.
Step 2: Wave it everywhere until your School Board acknowledges your existence.
We haven't gotten to Step 1 yet, unfortunately. - Chris is me [more] |
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DC Motor current to an Analog Input
If this is already covered, my apologies. But, measuring magnetic field strength of DC current is the easiest method with the restraints put on the on the wiring by rule. This can be accomplished with an AMR or GMR or Hall Effect sensor, all available in the DigiKey Catalog. Look in the sensor section. If you then go to the web sites of the mfg., you'll find application notes to help you determine the exact distance from the center of the wire and angle to the wire to get the 0-125A range, 0-500A range etc.......
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