What is a Stepper Motor? | Unipolar vs Bipolar, Working, Full Step, Half Step & Microstepping

Learn everything about Stepper Motors in this complete beginner-to-advanced guide!

In this video, we take a deep dive into stepper motors and understand how they work from the ground up. You’ll learn the internal construction, working principle, and the key differences between unipolar and bipolar stepper motors.

We also break down different stepping techniques like wave stepping, full stepping, half stepping, and microstepping, so you can clearly understand how precise motion control is achieved in real-world applications.

What You’ll Learn:
✅ What is a stepper motor and how it works
✅ Internal construction and working principle
✅ Difference between unipolar vs bipolar stepper motors
✅ How magnetic fields control rotor movement
✅ Wave stepping (single coil excitation)
✅ Full step vs Half step vs Microstepping
✅ Step angle explained (90°, 1.8°, 0.9°)
✅ How to control direction of rotation
✅ Torque differences in stepping modes

Applications of Stepper Motors: Stepper motors are widely used in,

✅ CNC machines
✅ 3D printers
✅ Robotics and automation
✅ Camera sliders and positioning systems
✅ Industrial control systems

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