28BYJ-48 5V Stepper Motor

The 28byj-48 5v Stepper motor is used for precision level controlling. The 28BYJ motor is a very common stepper motor and this can be used in various types of applications where precision control is required. The specification consists of a 5V operating voltage and has a step angle of 5.625 degrees. Thus, 64 steps make 360 degrees of complete rotation of the motor. The friction torque and pull-in torque of the motor are 1200 gf. cm and 300 gf. cm respectively.

As this is a four-phase motor, it has five output wires and can be driven with a ULN2003 driver board. A complete set of this stepper motor with a ULN2003 board is also available in quartz components. It operates on 5V and has a step angle of 5.625 degrees, meaning it has to make 64 steps to complete one rotation. The connector has 2.54” spacing.

The 28BYJ-48 5V stepper motor is a commonly used component in DIY electronics projects, robotics, and automation systems, valued for its affordability, reliability, and ease of use. This small stepper motor is widely employed in applications requiring precise control of rotational motion, such as 3D printers, CNC machines, camera sliders, and robotic arms.

At the heart of the 28BYJ-48 stepper motor is a gear reduction mechanism coupled with a small stepper motor. This combination provides high torque output and smooth motion control, making it suitable for tasks that demand both precision and strength. The motor operates on a 5-volt power supply, making it compatible with a wide range of microcontrollers, Arduino boards, and other control devices commonly used in DIY projects.

The 28BYJ-48 stepper motor is characterized by its ability to move in discrete steps, with each step corresponding to a fixed angle of rotation. This characteristic makes it ideal for applications requiring accurate positioning or repetitive motion control. By sending a sequence of digital pulses to the motor coils, typically through a stepper motor driver module such as the ULN2003, the motor can be precisely controlled to rotate in either direction and move a specific number of steps.

One of the distinctive features of the 28BYJ-48 stepper motor is its gear reduction mechanism, which significantly increases torque output while reducing the step angle. This gearing arrangement allows the motor to achieve higher torque at lower speeds, making it suitable for applications that require the motor to overcome resistance or drive mechanical loads.

Despite its compact size, the 28BYJ-48 stepper motor offers respectable performance characteristics. While it may not match the speed or torque capabilities of larger stepper motors used in industrial settings, it is well-suited for hobbyist and educational projects where precision and reliability are paramount.

Another advantage of the 28BYJ-48 stepper motor is its low cost, making it accessible to hobbyists, students, and DIY enthusiasts with limited budgets. Its affordability, combined with its ease of integration and compatibility with popular microcontroller platforms, has made it a popular choice for beginners and experienced makers alike.

In summary, the 28BYJ-48 5V stepper motor is a versatile and cost-effective component that finds widespread use in DIY electronics projects, robotics, and automation systems. Its compact size, high torque output, and precise motion control make it suitable for a variety of applications, from 3D printers to robotic arms. Whether used by hobbyists, students, or professionals, the 28BYJ-48 stepper motor offers a reliable and accessible solution for achieving precise rotational motion in electronic and mechanical projects.

Specification :

• Diameter of the motor: 28mm
• Operational Voltage: DC 5V
• DC resistance of the winding： 50Ω±7% (25℃)
• Diameter: 25mm
• Step Angle: 5.625 x 1/64
• Reduction Ratio: 1/64
• Rated voltage of the motor： 5VDC
• Number of Phases： 4
• Speed Variation Ratio ： 1/64
• Stride Angle ：625° /64
• Frequency: 100Hz
• Idle In-traction Frequency: > 600Hz
• Idle Out-traction Frequency: > 1000Hz
• In-traction Torque >34. 3mN.m(120Hz)
• Self-positioning Torque >34. 3mN.m
• Friction torque: 600-1200 gf.cm
• Pull in torque: 300 gf.cm
• Insulated resistance >10MΩ(500V)
• Insulated electricity power ：600VAC/1mA/1s
• Insulation grade ：A
• Rise in Temperature <40K (120Hz
• Noise <35dB (120Hz, No load,10cm)
• Model ： 28BYJ-48

28BYJ-48 Applications:

• Robotic
• High Load control
• Steps control in mini automotive grade projects
• Any Stepper Motor related applications

28BYJ-48 Dimension and footprint:

Example Projects on 28BYJ-48:

Interfacing 28BYJ-48 with ARM7-LPC2148

Additional Resources:

28BYJ-48 Datasheet