Stepper Motor Driver Board ULN2003

Overview

Take command of your stepper motors with the ULN2003 Stepper Motor Driver Board—a compact, reliable, and budget-friendly solution for driving 4-phase 5-wire unipolar stepper motors. Whether you're building a robotic arm, a 3D printer, or a CNC machine, this driver board simplifies motor control, making it an essential component for makers, hobbyists, and engineers alike.

Key Features

• ULN2003 Chip: Built on the robust ULN2003 Darlington transistor array, capable of handling up to 500mA per channel.
• Easy Interface: Standard 4-pin input (IN1–IN4) connects directly to microcontrollers like Arduino, Raspberry Pi, or any 5V logic source.
• LED Indicators: Four LEDs show the stepping sequence, making debugging and monitoring a breeze.
• Onboard Connectors: Screw terminals for motor connections and pin headers for control signals ensure secure, hassle-free wiring.
• Compact Design: Small footprint fits neatly into any project, from breadboard prototypes to permanent installations.

Technical Specifications

• Driver Chip: ULN2003 Darlington Array
• Input Voltage: 5V–12V DC (motor supply)
• Logic Voltage: 3.3V–5V (compatible with most microcontrollers)
• Output Current: 500mA per channel (max)
• Channels: 4 (for 4-phase stepper motors)
• Motor Type: Unipolar 4-phase, 5-wire stepper motors (e.g., 28BYJ-48)
• Dimensions: 30mm x 30mm (approx.)
• Weight: 10g (approx.)

Applications & Use Cases

• Robotics: Drive motors in robotic arms, wheeled robots, or grippers.
• CNC Machines: Control axes in DIY CNC routers, laser engravers, and plotters.
• 3D Printers: Manage filament feed or print bed movement.
• Automation: Position sensors, cameras, or other devices in automated systems.
• Education: Perfect for learning stepper motor control in classrooms or maker workshops.

What's Included

• 1x ULN2003 Stepper Motor Driver Board
• (Note: Stepper motor not included; pair with a 28BYJ-48 motor for a complete setup.)

Compatibility

• Microcontrollers: Arduino (Uno, Mega, Nano), Raspberry Pi, ESP32, STM32, and any 5V logic controller.
• Motor: Works with 4-phase 5-wire unipolar stepper motors, especially the popular 28BYJ-48.
• Software: Compatible with common stepper libraries like Stepper.h in Arduino IDE.

MOKWN Recommendation

For beginners and professionals alike, the ULN2003 driver board is your go-to choice for stepping into stepper motor control. It's affordable, easy to use, and backed by MOKWN's commitment to quality. Pair it with a 28BYJ-48 motor and an Arduino to kickstart your next automation project. Order now and get free shipping across Egypt!