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28BYJ-48 Stepper Motor and ULN2003 Stepper Motor Driver



  1. Rated voltage: 5V DC
  2. Reduction Ratio: 64:1
  3. Step Angle: 5.625° /64
  4. Frequency: 100Hz
  5. Self-positioning Torque: >34.3mN.m
  6. Friction torque: 600-1200 gf.cm
  7. Pull in torque: 300 gf.cm


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The 28BYJ-48 stepper motor and ULN2003 stepper motor driver commonly combine in DIY electronics and automation projects. In the sections below, we’ll delve into their specifications and explore practical applications.

28BYJ-48 Stepper Motor:


  • Type: The 28BYJ-48 serves as a unipolar stepper motor, prized for its precision and ease of control.
  • Step Angle: Because it precisely operates with a 5.625-degree step angle, allowing for fine-grained motion control.
  • Coil Configuration: Additionally featuring a 4-phase, 5-wire coil setup, it simplifies wiring and control efforts.
  • Voltage Rating: Typically compatible with 5V, making it suitable for various microcontrollers and driver modules.
  • Torque: Its moderate torque suits applications such as small robots and camera gimbal systems.
  • Dimensions: Compact and lightweight, with a 28mm body and 48mm height.


    • Robotics: Moreover it commonly drives precise control of robotic arms and movements in robotics applications.
    • Camera Gimbal Systems: Valued in camera stabilizers and gimbals for achieving smooth and controlled camera motion.
    • Automated Curtains: Employed to automate curtain and blind opening and closing systems.
    • Printers and Scanners: Integrated into printing and scanning devices to manage paper feeding and head movement.
    • 3D Printers: Because it plays a crucial role in controlling the movement of print heads and build platforms in 3D printers.

ULN2003 Stepper Motor Driver:


  • Type: The ULN2003 stands as a commonly used stepper motor driver IC, proficient at driving unipolar stepper motors.
  • Number of Channels: It features 7 Darlington transistor pairs, providing ample current and voltage capacity for each motor coil.
  • Voltage Compatibility: Designed to function within a broad input voltage range, typically from 5V to 12V.
  • Built-in Diodes: Equipped with internal flyback diodes to safeguard against back EMF generated by the motor coils.
  • Control Interface: Typically controlled via microcontrollers or Arduino using straightforward logic signals.


  • CNC Machines: In CNC (Computer Numerical Control) machines, it offers precise control over cutting tools and spindle motors.
  • 3D Printers: Because it enables controlled movement of print heads and build platforms in 3D printers.
  • Automated Systems: Applied across various automated systems, including conveyor belts, vending machines, and automated doors.
  • Robotics: Commonly employed for controlling the movement of robot arms, wheels, and other robotic components.
  • Camera Slider Systems: Additionally used in camera slider systems to achieve smooth and controlled camera movements for videography.

To Learn More Visit our Website

For more information:-www.mifraelectronics.com 
* Product Images are shown for illustrative purposes only and may differ from actual product.

Packages includes:-

  • 1 x 28BYJ-48 Stepper Motor and ULN2003 Stepper Motor Driver


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