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15 cards from this deck
Specialised electromechanical device
Exact, controlled steps (not continuous)
Sequence of electrical pulses
Frequency of input pulses
Number of input pulses
Full torque when windings energised
Within 3-5% of each step
No, errors don't accumulate between steps
No contact brushes, minimal wear
Simple control without complex feedback
Vibration, noise, loss of steps
Difficult to operate at very high speeds
Permanent magnets with N and S poles
Four electromagnetic coils
Robotics, CNC machines, 3D printers
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