HW687 Mini PWM DC Motor Speed Controller (3V 6V 12V 24V 35V – 5Amp)

The PWM DC motor controller HW687 is a compact and efficient solution for controlling the speed of DC motors across a wide voltage range. Designed for hobbyists, engineers, and DIY electronics users, this controller supports smooth speed regulation using Pulse Width Modulation (PWM) technology, ensuring minimal power loss and high efficiency.

This PWM DC motor controller operates from 3V to 35V and delivers up to 5A continuous current, making it suitable for low- and medium-power motor applications. The onboard potentiometer allows precise adjustment of motor speed, enabling smooth acceleration and deceleration without sudden jerks.

Built with high-quality electronic components, the HW687 motor speed controller offers reliable performance and long-term durability. Its compact PCB design allows easy installation in tight spaces, making it ideal for robotics, automation projects, fans, pumps, and DIY motor control systems.

The controller features clearly marked input and output terminals, simplifying wiring and reducing installation errors. With its wide voltage compatibility, this DC motor controller can be used with various power supplies and battery systems, including 6V, 12V, 24V, and even 35V setups.

Whether you are developing a prototype, upgrading an existing motor system, or learning motor control concepts, the HW687 module provides an easy-to-use and cost-effective solution. Its stable output and efficient heat handling ensure consistent motor performance even under continuous operation.

Overall, this PWM DC motor controller is a dependable choice for accurate speed control, offering flexibility, safety, and ease of use for a wide range of electronics projects.

Key Features of PWM DC Motor Controller

• Wide operating voltage range from 3V to 35V

• Supports up to 5A continuous output current

• Smooth PWM-based speed control

• Compact and lightweight module design

• Easy speed adjustment using onboard potentiometer

• Suitable for various DC motor applications

Specifications of HW687 Motor Speed Controller

• Model: HW687

• Control Type: PWM (Pulse Width Modulation)

• Operating Voltage: 3V – 35V DC

• Maximum Current: 5A

• Speed Control Method: Rotary potentiometer

• Efficiency: High, low heat generation

• Mounting: PCB mount / enclosure ready

Applications of DC Motor Speed Controller

• Robotics and automation projects

• DIY electronics and prototyping

• DC fans and pumps

• Motor speed regulation systems

• Educational motor control experiments

Bullet Points:

• ✅ PWM DC motor controller with smooth speed regulation

• ✅ Wide voltage support from 3V to 35V DC

• ✅ Handles up to 5A current reliably

• ✅ Compact HW687 module for easy integration

• ✅ Ideal for robotics, DIY, and automation projects