The PWM Motor Driver is a compact and powerful module designed for precise speed and direction control of DC motors. Built around a Pulse-Width-Modulation control circuit, this board allows you to adjust motor speed from 0% to 100% duty cycle, making it an excellent choice for hobbyists, robotics enthusiasts, and professionals working on automation projects. Its wide voltage range and robust current handling make it ideal for applications ranging from small robotics to DIY automation systems and educational demonstrations.
Key Features:
- Compact Design: Miniature PCB measuring approximately 30mm × 26mm × 14mm, perfect for space-constrained projects.
- Wide Voltage Range: Operating voltage from DC 4.5V to 35V, compatible with most common DC motor applications.
- High Current Capacity: Continuous output current up to 5A, enabling control of powerful DC motors.
- PWM Speed Control: Fully adjustable duty cycle from 0% to 100% for precise motor speed regulation.
- Terminal Block Connection: Blue screw terminal block for secure and easy wiring of motor and power connections.
- Onboard Potentiometer: Teal rotary potentiometer for manual speed adjustment with included mounting nut.
- Power-On LED Indicator: Built-in LED for visual confirmation of power status.
- Self-Recovery Fuse: 2A self-resetting fuse for overcurrent protection and enhanced safety.
- Large Filter Capacitor: Onboard electrolytic capacitor (visible green cylinder) for stable power delivery and noise reduction.
- Maximum Control Power: Up to 90W output capability.
- PWM Frequency: Fixed at 20kHz for smooth, quiet motor operation.
- Ultra-Low Quiescent Current: Only 7μA in standby state for energy-efficient operation.
- Direction Control: Supports motor direction control through PWM signal manipulation.
Applications
- Robotics: Perfect for controlling DC motors in wheeled robots, robotic arms, and automated mechanisms.
- DIY Electronics: Ideal for hobbyist projects requiring variable speed motor control.
- Educational Use: Excellent tool for teaching PWM principles, motor control theory, and power electronics.
- Home Automation: Suitable for fan speed control, automated blinds, and other motorised home projects.
- Industrial Prototyping: Useful for proof-of-concept designs and small-scale automation testing.
Why Choose the PWM Motor Driver? The PWM Motor Driver combines versatility, reliability, and ease of use in a compact, affordable package. Its wide voltage compatibility and generous current handling make it suitable for a broad range of DC motor control applications, whilst the built-in protection features ensure safe operation. Whether you’re building your first robot or developing a sophisticated automation system, this module provides the precise control you need with the durability you can trust.
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