ULN2003 Stepper Motor Driver Module
ULN2003 Stepper Motor Driver Module
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Looking to buy ULN2003 Stepper Motor Driver Module at the best price in India? Tech Depot India offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.
Drive 28BYJ-48 stepper motors with precision using this reliable ULN2003-based driver board. Featuring onboard LED indicators for each phase, a clean breakout design, and plug-and-play compatibility with Arduino, Raspberry Pi, and other microcontrollers, this module makes stepper motor control effortless for robotics, automation, and CNC projects.
Specifications
| Driver IC | ULN2003A (7-channel Darlington array) |
| Input Voltage | 5V - 12V DC |
| Output Current | 500 mA per channel (max), 2.5 A total (peak) |
| Number of Outputs | 7 Darlington pairs (4 used for stepper control) |
| Compatible Motor | 28BYJ-48 unipolar stepper motor (5V / 12V versions) |
| Step Modes Supported | Full step, half step, and wave drive |
| LED Indicators | 4 onboard LEDs showing active phase status |
| Motor Connector | 5-pin female header (direct plug for 28BYJ-48) |
| Input Pins | IN1, IN2, IN3, IN4 (directly connect to GPIO pins) |
| Logic Compatibility | 3.3V and 5V logic levels |
| Board Dimensions | Approx. 35 mm x 32 mm |
| Mounting | 2 x M3 mounting holes |
| Operating Temperature | -20 degreesC to +70 degreesC |
| Flyback Diodes | Integrated within ULN2003A IC for back-EMF protection |
| Platform Compatibility | Arduino, Raspberry Pi, ESP32, ESP8266, STM32, PIC, and more |
| Origin | Original / Authentic |
Why Choose ULN2003 Stepper Motor Driver Module?
100% Authentic - Sourced from authorized distributors, fully verified before dispatch.
GST Invoice - A GST invoice is included with every order.
Expert Support - Dedicated technical help on WhatsApp and email.
Pan-India Delivery - Shipped across Bengaluru, Delhi NCR, Hyderabad and all of India.
Trusted by Makers - Used by students, hobbyists and professionals nationwide.
Key Features of ULN2003 Stepper Motor Driver Module
- Plug-and-play motor connection: The onboard 5-pin female header accepts 28BYJ-48 stepper motors directly - no soldering or adapter wiring needed.
- Visual phase feedback: Four bright LEDs indicate which coil phases are currently energized, making debugging and learning stepper sequences intuitive.
- Built-in back-EMF protection: The ULN2003A IC includes integrated flyback suppression diodes, protecting your microcontroller from voltage spikes when motor coils switch off.
- High current handling: Each Darlington channel sinks up to 500 mA, comfortably driving small to medium unipolar stepper motors without external transistors.
- Universal logic compatibility: Works reliably with both 3.3V (ESP32, Raspberry Pi) and 5V (Arduino Uno, Mega) logic levels for maximum versatility.
- Compact and mountable: The small 35 x 32 mm form factor with M3 mounting holes fits neatly into enclosures, robot chassis, and breadboard-adjacent layouts.
- Supports multiple drive modes: Implement full-step, half-step, or wave drive sequences in software for different torque, speed, and resolution requirements.
Perfect For
- Automated Blinds & Curtain Controller: Use the ULN2003 module with a 28BYJ-48 stepper motor to build a smart curtain system that opens and closes on a schedule or via a smartphone app using ESP32 and Blynk.
- Mini CNC Plotter / Drawing Machine: Pair two stepper motors with ULN2003 drivers and an Arduino to create a compact pen plotter that converts digital designs into physical drawings on paper.
- 3D Printer Filament Winder: Build a motorized spool winder that evenly winds filament or wire using precise stepper control, adjustable speed, and an LCD display for monitoring.
- Robotic Arm Base Rotation: Add a stepper-driven rotational axis to a robotic arm project for smooth, repeatable angular positioning in pick-and-place applications.
- Camera Pan/Tilt Time-Lapse Rig: Create a motorized camera mount that slowly pans or tilts during time-lapse photography, delivering cinematic motion with sub-degree precision.
Frequently Asked Questions
Is technical support available?
Yes, responsive support via email and WhatsApp for setup, troubleshooting, and application guidance.
Are bulk discounts available?
Yes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.
Customer Support
Email: techdepotindia@gmail.com
WhatsApp: Available for setup and troubleshooting help
Order your ULN2003 Stepper Motor Driver Module today and start building your next project.
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