PWM Brushless Motor Driver Board & Speed Controller Module
PWM Brushless Motor Driver Board — Precision Speed Control for DC Motors
Take full command of your brushless DC motor projects with this compact, high-performance PWM Motor Speed Controller Driver Board. Available in three configurations — DCB128, DCB730, and DCB2130 — this module delivers smooth, reliable speed regulation across a wide voltage range (7.4V, 12V, and 21V). Whether you're building RC vehicles, DIY power tools, drones, or automated machinery, this driver board gives you the precise control you need.
Made in Mainland China.
Model Specifications
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DCB128:
- Max Speed: 86,000 RPM @ 7.4V | 100,000 RPM @ 12V
- Diameter: 16mm
- Control Method: PWM speed regulation
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DCB730:
- Max Speed: 130,000 RPM
- Voltage: 7.4V
- Diameter: 18mm
- Current: Within 30A
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DCB2130:
- Control Method: Knob switch for easy manual adjustment
- Diameter: 29mm
- Voltage: 21V
- Current: Within 30A
Key Features
- ✅ Multi-voltage support: Compatible with 7.4V, 12V, and 21V DC power sources
- ✅ High-speed performance: Supports ultra-high RPM up to 130,000 for demanding applications
- ✅ PWM speed regulation: Smooth, stepless speed control for precise motor management
- ✅ High current handling: DCB730 & DCB2130 support up to 30A continuous current
- ✅ Knob-controlled option: DCB2130 features an intuitive knob for hands-on speed adjustment
- ✅ Compact form factor: Fits easily into tight enclosures and project builds
- ✅ Brushless efficiency: Designed specifically for brushless DC motors — less wear, longer lifespan
Ideal Applications
- RC cars, boats, and drones
- DIY power tools and workshop equipment
- Robotics and automation projects
- Electric fans and ventilation systems
- 3D printer motors and CNC machines
Package Includes
- 1× Motor Driver Board (model of your choice)
Notes
- Due to differences in lighting and screen calibration, the item's color may vary slightly from product images.
- Please allow a tolerance of 1mm–1cm due to manual measurement.
Learn More About Motor Control Technology
For more background on PWM motor control and brushless motor principles, visit the NIST Intelligent Systems Division — Motion Control resource.
Frequently Asked Questions
Q: What is the difference between the DCB128, DCB730, and DCB2130 brushless motor driver boards?
A: The DCB128 is a compact 16mm board designed for high-speed applications up to 100,000 RPM at 12V using PWM regulation. The DCB730 is an 18mm board rated for up to 130,000 RPM at 7.4V with a 30A current capacity. The DCB2130 is the largest at 29mm, supports 21V and 30A, and features a convenient knob switch for manual speed adjustment — ideal for higher-power builds.
Q: What type of motors are compatible with this PWM brushless motor speed controller?
A: This driver board is specifically designed for brushless DC (BLDC) motors. It is not compatible with brushed DC motors or AC motors. Always match the voltage and current ratings of your motor to the appropriate board model (DCB128, DCB730, or DCB2130) before use.
Q: Can I use this motor driver board in an RC car or drone project?
A: Yes! This PWM brushless motor speed controller is well-suited for RC vehicles, drones, robotics, and other DIY electronics projects. The high RPM capability and PWM regulation make it a great choice for performance-oriented builds requiring precise speed management.
Q: What power source is required for this motor driver module?
A: The module runs on DC power. Depending on the model, it supports 7.4V, 12V, or 21V DC input. Ensure your power supply matches the voltage specification of your chosen model for safe and optimal operation.