Thread: Paul and Sabrina's Cheap 3 Phase Inverter (AC Controller) with Field Oriented Control
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Old 04-15-2015, 02:26 AM   #1793 (permalink)
MPaulHolmes
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I'm fairly sure that the quadrature encoder interface expects both A & B to be 0 to 5v. I think it would be bad if the pin got -5v.
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