ULN2003 Stepper Motor Driver:

Overview

The ULN2003 Stepper Motor Driver is a high-performance and cost-effective driver board designed to control unipolar stepper motors with precision and efficiency. Featuring the ULN2003 Darlington transistor array, this module enables smooth and stable operation of 28BYJ-48 and similar stepper motors, making it ideal for robotics, automation, and DIY electronics projects.

Key Features

• ULN2003 Darlington Transistor Array – Provides high current and voltage handling capacity.
• Compatible with 5V and 12V Stepper Motors – Works seamlessly with 28BYJ-48 and other unipolar stepper motors.
• Four-Step LED Indicators – Visual feedback for easy debugging and monitoring.
• Easy Interface with Microcontrollers – Compatible with Arduino, Raspberry Pi, ESP32, and other development boards.
• Standard 4-Pin Connector – Simple plug-and-play connection to stepper motors.
• High Efficiency & Stability – Ensures smooth motor operation with minimal noise and heat dissipation.

Wiring & Connection

• Connect the 4 input control pins (IN1–IN4) to a microcontroller (e.g., Arduino).
• Plug the stepper motor into the onboard connector.
• Supply 5V–12V power via the dedicated power pins.
• Use a simple step sequence to control motor movement.

Why Choose the ULN2003 Driver?

• Reliable & Durable: Built for long-term performance.
• Affordable & Versatile: Cost-effective and widely used in various applications.
• Easy to Use: Beginner-friendly and compatible with popular microcontrollers.