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The motor has a reduction ratio of 64:1, so it offers a decent torque for its size at speeds of about 15 RPM. It is a unipolar stepper motor which has 5-wires.

As stated before the pack contains ULN2003 Stepper Motor Driver which is a Mini Stepper Motor Driver. The main purpose of ULN2003 is to amplify the control signals from the Arduino, so as to drive the 28BYJ-48 Stepper Motor.

If you will give the ULN2003 stepper driver a certain pulse signal, it will drive step motor to a certain angle. The control of Stepper Motor movement angle is done by controlling the number of stepper motor driver pulses. The speed of the stepper motor rotation is also controllable by controlling the frequency of the pulses.

Weight 0.7 kg
Dimensions 20 × 15 × 5 cm
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