Description
The 28BYJ-48 5V Stepper Motor, paired with the ULN2003 Driver, is a highly popular and cost-effective solution for small-scale robotics, hobbyist projects, and precision applications. Featuring an internal gear reduction ratio of 64:1, this motor delivers impressive torque for its size, operating smoothly at approximately 15 RPM. As a 5-wire unipolar motor, it is designed for ease of use with the included ULN2003 driver board, which effectively amplifies control signals from microcontrollers like Arduino to drive the motor. This combination is widely trusted for its stability and reliability in compact designs.
Key Features
- Geared Efficiency: Features a 64:1 reduction ratio, providing balanced torque for small-scale motion projects.
- Complete Driver Kit: Includes the ULN2003 driver board, allowing for direct plug-and-play integration with microcontrollers.
- Visual Feedback: The driver board includes integrated A, B, C, and D LEDs to monitor the motor’s phase status in real-time.
- Compact & Versatile: Ideal for small robotics, DIY automation, and projects requiring high-quality, budget-friendly components.
Operational Note
For optimal performance and smoother motion, it is highly recommended to run this system in Half-step mode (8-step control signal sequence).
Package Includes
- 1 x 28BYJ-48 Stepper Motor
- 1 x ULN2003 Stepper Motor Driver Board
Technical Specifications
| Parameter | Specification |
|---|---|
| Motor Type | 28BYJ-48 (Unipolar) |
| Shaft Type | Double D-Type |
| Rated Voltage | 5 VDC |
| Rated Current | 500 mA |
| Reduction Ratio | 64:1 |
| In-Traction Frequency | > 600 Hz |
| Out-Traction Frequency | > 1000 Hz |
| In-Traction Torque | 34.3 mN-m |
| Pull-in Torque | 300 gf-cm |

















