A high-voltage, high-current
Darlington transistor array designed to drive stepper motors, commonly used in
applications such as robotics and automation. It provides efficient control of
stepper motors with low-power logic inputs, enabling smooth and reliable
operation for multi-phase motors.
Description:
The ULN2003 Stepper Motor
Driver Module is a compact and efficient darlington transistor array designed
to drive unipolar stepper motors, particularly the 28BYJ-48 stepper motor. It
features four control inputs and LED indicators for each channel, making it
easy to monitor motor operation. The module simplifies stepper motor control
and is widely used in automation, robotics, and embedded systems.
Specifications:
Operating Voltage: 5V DC
Current Handling: Up to 500mA per channel
Driver Type: ULN2003 Darlington transistor array
Step Control: 4-phase stepper motor control
Logic Compatibility: Works with Arduino,
Raspberry Pi, ESP32, and other microcontrollers
LED Indicators: Provides visual feedback for each
step signal
Dimensions: Compact and easy to integrate
Features:
Dedicated driver for 28BYJ-48 stepper motor
4-input control for precise step movement
Onboard LEDs for step indication
Direct microcontroller interface with TTL logic
Can drive other inductive loads like relays and
solenoids
Applications:
Robotics: Controlling robotic arms and autonomous
vehicles
Automation Systems: Stepper-based positioning and
control
CNC & 3D Printing: Precise motor movement
control
Embedded Systems: Motorized applications using
microcontrollers
DIY Electronics: Hobby projects involving stepper
motor control
