L lokeycmos New Member Jul 16, 2012 #1 im looking for some help locating a simple yet effective variable hard drive motor controller circuit or schematic that works with both 3 wire and 4 wire hard drive motors. any help is appreciated! TY! Last edited: Jul 16, 2012
im looking for some help locating a simple yet effective variable hard drive motor controller circuit or schematic that works with both 3 wire and 4 wire hard drive motors. any help is appreciated! TY!
ronv Well-Known Member Most Helpful Member Jul 16, 2012 #2 All of them I have seen are 4 wires so they don't need sensors to commutate, but instead use back emf sensing.
All of them I have seen are 4 wires so they don't need sensors to commutate, but instead use back emf sensing.