ULN2003 Stepper Motor Driver Module – For 28BYJ-48 Stepper Motor
The ULN2003 Driver Module is designed to control 28BYJ-48 stepper motors and other unipolar stepper motors with ease. It uses the ULN2003A Darlington transistor array, providing efficient and reliable current amplification for stepper motor operation. Widely used in robotics, 3D printing, automation, and Arduino-based projects.
 
Key Features:
ULN2003A Driver IC
Features a 7-channel Darlington array for high-current output control.
Compatible with 28BYJ-48
Plug-and-play support for the widely used 5V stepper motor.
Input Indicators (LEDs)
Onboard LEDs for each input channel provide visual feedback for motor steps—great for debugging.
Standard Pin Header Input
Compatible with Arduino, STM32, ESP32, and other microcontrollers.
Easy to Use
Pre-soldered header pins and motor connector for quick setup and integration.
 
Applications:
Controlling 28BYJ-48 stepper motors
DIY CNC or 3D printer builds
Robotics and automation systems
Arduino stepper motor control projects
Camera sliders, turntables, and pan-tilt systems
STEM education and motor control experiments
 
Package Includes:
1 × ULN2003 Stepper Motor Driver Module
 
Specifications:
Driver IC: ULN2003A
Input Voltage: 5V DC (recommended for 28BYJ-48)
Number of Channels: 7 (used for 4-phase stepper control)
Current per Output: Up to 500mA (sink current)
Connector: 5-pin stepper motor interface
Control Inputs: IN1, IN2, IN3, IN4
Indicators: 4 onboard LEDs (IN1–IN4)
 
Dimensions:
Length: 45 mm
Width: 30 mm
Height: 12 mm
 
Weight:10g
 
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