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Uln2003 Stepper Motor Driver Board For Arduino Avr Smd in Lahore Pakistan

Uln2003 Stepper Motor Driver Board For Arduino Avr Smd

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Uln2003 Stepper Motor Driver Board For Arduino Avr Smd in Lahore Pakistan

Here's a complete product detail, feature list, and usage guide for the ULN2003 Stepper Motor Driver Board, ideal for adding to your website for customers working with Arduino, AVR, or other microcontrollers.

πŸ”„ ULN2003 Stepper Motor Driver Board for Arduino, AVR – Product Details

βœ… Product Description

The ULN2003 Stepper Motor Driver Board is a reliable and cost-effective solution to control unipolar stepper motors like the 28BYJ-48 using microcontrollers such as Arduino, AVR, PIC, or STM32. It is based on the ULN2003A Darlington transistor array which allows low-power digital logic (5V or 3.3V) to control higher current motor coils safely and effectively.

Ideal for use in automation, robotics, and motion control applications.

✨ Key Features

  • πŸ” Controls 4-phase unipolar stepper motors (like 28BYJ-48)

  • ⚑ ULN2003A Darlington array – handles up to 500mA per channel

  • 🧲 Compatible with 5V and 3.3V logic (Arduino, AVR, ESP32, etc.)

  • πŸ’‘ LED indicators for each input step – easy step sequence monitoring

  • πŸ”Œ Standard 5-pin motor socket – plug & play with 28BYJ-48 stepper motor

  • πŸ”§ High switching speed and reliable performance

  • 🧰 Compact design – fits easily into any embedded project

πŸ“¦ Specifications

Parameter Description
Driver Chip ULN2003A (7-channel Darlington driver)
Operating Voltage 5V DC
Input Logic 5V / 3.3V TTL (compatible with Arduino, etc.)
Output Current Up to 500mA per channel
Compatible Motors 28BYJ-48 or similar unipolar stepper motors
Dimensions Approx. 45mm x 35mm x 10mm
Connector Type 5-pin JST motor connector, 4-pin input header

πŸ–₯️ How to Use ULN2003 Stepper Motor Driver with Arduino

πŸ”Œ Pinout Description

ULN2003 Board Pin Function
IN1 – IN4 Control signals from Arduino
GND Ground connection to Arduino
VCC 5V power supply
Motor Connector 5-pin socket for 28BYJ-48 motor

πŸ”— Wiring with Arduino

ULN2003 Driver Board Arduino
IN1 D8
IN2 D9
IN3 D10
IN4 D11
VCC 5V
GND GND

Connect the 28BYJ-48 stepper motor directly into the white JST connector.

πŸ§ͺ Sample Arduino Code

#include <Stepper.h>

const int stepsPerRevolution = 2048; // 28BYJ-48 usually has 2048 steps

Stepper myStepper(stepsPerRevolution, 8, 10, 9, 11); // IN1, IN3, IN2, IN4

void setup() {
myStepper.setSpeed(10); // set speed to 10 rpm
}

void loop() {
myStepper.step(stepsPerRevolution); // full revolution
delay(1000);
myStepper.step(-stepsPerRevolution); // reverse
delay(1000);
}

Note: Stepper motor connection order might vary based on board version. If it vibrates but doesn’t rotate, switch IN2 and IN3.

πŸ› οΈ Applications

  • DIY robotics and automation projects

  • Camera sliders and gimbals

  • 3D printers (small-scale functions)

  • CNC machines (basic axis control)

  • Motorized toys and hobby electronics

  • Educational kits and engineering projects

πŸ“¦ What's in the Box?

  • 1 Γ— ULN2003 Stepper Motor Driver Module

  • (Optional) 1 Γ— 28BYJ-48 Stepper Motor (if included in combo)

⚠️ Notes

  • Designed for unipolar motors (with 5 wires) – not compatible with bipolar (4-wire) stepper motors.

  • ULN2003A cannot control high-torque NEMA motors – use A4988 or DRV8825 for those.

πŸ›’ Ideal Keywords for Website SEO

  • ULN2003 stepper driver for Arduino

  • 28BYJ-48 motor controller board

  • stepper motor driver module 5V

  • unipolar stepper driver ULN2003

  • 5V stepper motor controller for Arduino

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