STEPPER MOTOR AND DRIVER
Open loop type/close loop type ( hybrid stepper motor ) Nema 17, Nema 23, Nema 34, Nema 43 With break type/without break type Bipolar type stepper motor, 2 Phase ( step angle 1.8 degree ) 3 Phase ( step angle 1.2 degree ) 5 Phase ( step angle 0.72 degree )