Project Hub /Robotics & Autonomous Systems/Motor Drivers & Motion Control/Interfacing MX1508 DC Motor Driver with Arduino

Intermediate

ARDUINO

< ₹500

3 – 6 Hours

Partial Kit

Interfacing MX1508 DC Motor Driver with Arduino

Q: Can I power the N20 gear motor directly from the Arduino's 5V pin?

No, you should use a separate power supply connected to the MX1508 driver for the motor. Drawing motor current directly from the Arduino can overload the onboard voltage regulator and damage the microcontroller.

Q: Why do I need the MX1508 module instead of just connecting the motor to the Arduino?

Arduino digital pins can only source a limited amount of current (typically around 20mA), whereas DC motors require significantly more current to operate and can induce voltage spikes that damage microcontrollers.

Q: How do I change the speed of the N20 gear motor in the Arduino IDE?

You can change the motor speed by applying PWM signals (using the analogWrite() function) to the appropriate input pins of the MX1508 module.

A detailed guide on how to interface the dual-channel MX1508 DC motor driver module with an Arduino UNO to control small DC motors.

Originally published on CircuitDigest

View original tutorial

Parts You'll Need

This project is sourced from another site, not written by us — this list is our best match of their components against what we stock, not a verified bill of materials. Always check the original blog (linked above) for the actual parts list before buying.

Arduino UNO R3 Board (Compatible) – ATmega328P Microcontroller with USB Cable Rs. 999.00
3–6V R140 DC Motor (High-Speed DIY & Toy Motor) Rs. 49.00
Jumper Wire 10 Pin Male To Male 20cm Rs. 45.00
400 Points Mini Solderless Prototype PCB Breadboard High Quality Rs. 89.00
MB102 Adjustable Breadboard Power Supply Module (3.3V & 5V) for Arduino & Raspberry Pi Rs. 139.00
Jumper Wire 10 Pin Male To Female 20cm Rs. 45.00

Selected: Rs. 0.00

We don't carry yet: MX1508 Module

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How It Works

The core of this system is the MX1508 DC motor driver module, which interfaces directly with an Arduino UNO R3 to control the speed and direction of an N20 gear motor using connecting wires. Because an Arduino's digital output pins cannot supply the higher current required by inductive DC motors safely, the MX1508 module acts as an intermediate power amplifier and H-bridge controller. The microcontroller sends low-current logic control signals, including Pulse Width Modulation (PWM) signals, to the MX1508's input pins. The MX1508 utilizes internal power transistors to switch a separate motor power supply across the N20 gear motor. By altering the duty cycle of the PWM signal via the Arduino IDE software, you vary the average voltage delivered to the motor, thereby controlling its rotational velocity. Changing the state of the directional pins reverses the polarity of the voltage applied to the motor terminals, allowing seamless bi-directional rotation.

Why Build This

Implement undergraduate-level motion control algorithms for miniature robotics and automated mechanical actuators.

Prototype battery-powered smart cars and automated ground vehicles requiring precise directional and speed control.

Gain practical engineering experience integrating low-power microcontrollers with higher-current external actuator drivers.

Real-World Application

Battery-powered smart cars, miniature robotics, toy cars, and automated mechanical actuators.

Skills You'll Learn

PWM signal generation

H-bridge motor control

DC motor speed and direction regulation

microcontroller GPIO interfacing

power distribution in embedded systems

Safety Precautions

Verify the operating voltage of your specific motor driver IC (MX1508 or TC1508 equivalent) to prevent overvoltage damage.

Technology Tags

ARDUINO

DC MOTOR

MX1508

MOTOR DRIVER

PWM

ELECTRONICS

MICROCONTROLLER

Frequently Asked Questions

Can I power the N20 gear motor directly from the Arduino's 5V pin?

No, you should use a separate power supply connected to the MX1508 driver for the motor. Drawing motor current directly from the Arduino can overload the onboard voltage regulator and damage the microcontroller.

Why do I need the MX1508 module instead of just connecting the motor to the Arduino?

Arduino digital pins can only source a limited amount of current (typically around 20mA), whereas DC motors require significantly more current to operate and can induce voltage spikes that damage microcontrollers.

How do I change the speed of the N20 gear motor in the Arduino IDE?

You can change the motor speed by applying PWM signals (using the analogWrite() function) to the appropriate input pins of the MX1508 module.

Gallery

This page is part of Kitkraft's Project Hub — a curated collection of electronics & robotics projects gathered from the maker community to help students and hobbyists discover and learn to build. Kitkraft does not claim authorship of the original project, and makes no representation as to the accuracy, completeness or safety of third-party source material. The summary and "How It Works" explanation above are AI-generated, rewritten with reference to the original tutorial — not a reproduction of it. Full credit and a direct link to the original source are provided above. If you're the original creator and have a concern about how your work is represented here, please contact us and we'll address it promptly.

Kitkraft Project Hub — curated from the maker community, credited at the source.

PRJ-00995

Interfacing MX1508 DC Motor Driver with Arduino

Parts You'll Need

How It Works

Why Build This

Real-World Application

Skills You'll Learn

Safety Precautions

Technology Tags

Frequently Asked Questions

Gallery

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