Description
The ULN2003 Driver Board is a compact and reliable module designed to drive unipolar stepper motors, such as the popular 28BYJ-48. Built around the ULN2003A Darlington transistor array, this driver board provides an easy interface between low-power microcontrollers (like Arduino, ESP32, or Raspberry Pi) and stepper motors. This green edition of the board features onboard control indicators and a standard 5-pin socket for quick motor connection. It’s ideal for robotics, automation, and precise motion control projects where space and simplicity are essential.
Key Features:
ULN2003A Chip – Uses a reliable Darlington transistor array to drive unipolar stepper motors effectively. 5-Pin JST Connector – Compatible with 28BYJ-48 and similar stepper motors for easy plug-and-play connectivity.
Onboard Indicator LEDs – Four LEDs indicate the active motor coil for visual step tracking and easy debugging. 4-Phase Output Channels – Provides four outputs to drive each phase of a unipolar stepper motor.
Supports Full and Half Stepping – Enables smooth and precise stepper motor control. External Power Support – Capable of driving stepper motors with separate power up to 5V for reliable performance.Ideal for Beginners & Projects – Perfect for learning, prototyping, and light-duty automation tasks.
Driver Module Stepper Motor Board
EASY INTEGRATION: Comes with a ULN2003 driver board, facilitating straightforward connections to your microcontroller projects without the need for complex wiring or additional components.Compact Green PCB Design – Space-saving and visually distinct for easy identification in multi-board projects.
Specifications:
Driver IC: ULN2003A Motor Compatibility: Unipolar stepper motors
Motor Voltage: Typically 5V Logic Voltage: 3.3V – 5V compatible
Power Supply: 5V DC via onboard header LED Indicators: 4 status LEDs for step indication
Connector Type: Standard 5-pin JST XH motor connector Board Color: Green
Dimensions: Approx. 44mm x 20mm x 10mm
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