Product Overview
The DC Motor Speed Control Driver Board is a compact PWM (Pulse Width Modulation) motor controller module designed to regulate the speed of brushed DC motors efficiently across a wide voltage range of 3V to 35V. By adjusting the onboard potentiometer, users can achieve smooth stepless speed control without significant power loss.
This module is widely used in DIY electronics projects, robotics, automation systems, cooling fans, pumps, and small motor-driven devices where reliable and adjustable motor speed control is required.
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Key Features
•Wide Operating Voltage: Supports DC input from 3V up to 35V
•High Current Capability: Handles up to 5A maximum output current
•PWM Speed Regulation: Efficient motor control with minimal heat generation
•Stepless Speed Adjustment: Onboard potentiometer allows precise speed tuning
•Compact PCB Design: Ideal for embedded systems and tight installations
•High Efficiency: PWM technology maintains torque even at low speeds
•Easy Integration: Screw terminal connectors for quick wiring
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Technical Specifications:
Input Voltage: 3V – 35V DC
Maximum Output Current: 5A
Recommended Continuous Current: ≤3A
Control Method: PWM (Pulse Width Modulation)
Speed Regulation Range: 0% – 100%
PWM Frequency: ~10kHz – 15kHz
Efficiency: Up to 90%
Motor Type Supported: Brushed DC Motor
Control Interface: Rotary Potentiometer (Stepless Adjustment)
Input / Output Connection: Screw Terminal Blocks
Board Type: Compact Open PCB Module
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Advantages Over Conventional Voltage Regulators
•Higher Efficiency: PWM control reduces energy loss compared to linear regulators.
•Lower Heat Generation: Less power dissipation improves reliability.
•Better Torque Control: Motors maintain torque even at reduced speeds.
•Compact and Low Cost: Suitable for mass production or educational kits.
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Typical Applications
•DC motor speed control systems
•Robotics and Arduino-based projects
•Cooling fans and ventilation systems
•Water pumps and small compressors
•Electric toys and hobby electronics
•Mini conveyor belts
•Automotive DIY electronics
•Laboratory prototypes