{"product_id":"pwm-brushless-motor-driver-board-speed-controller-module","title":"PWM Brushless Motor Driver Board \u0026 Speed Controller Module","description":"\n\u003ch2\u003ePWM Brushless Motor Driver Board — Precision Speed Control for DC Motors\u003c\/h2\u003e\n\u003cp\u003eTake full command of your brushless DC motor projects with this compact, high-performance PWM Motor Speed Controller Driver Board. Available in three configurations — \u003cstrong\u003eDCB128\u003c\/strong\u003e, \u003cstrong\u003eDCB730\u003c\/strong\u003e, and \u003cstrong\u003eDCB2130\u003c\/strong\u003e — 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.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eModel Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDCB128:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eMax Speed: 86,000 RPM @ 7.4V | 100,000 RPM @ 12V\u003c\/li\u003e\n      \u003cli\u003eDiameter: 16mm\u003c\/li\u003e\n      \u003cli\u003eControl Method: PWM speed regulation\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDCB730:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eMax Speed: 130,000 RPM\u003c\/li\u003e\n      \u003cli\u003eVoltage: 7.4V\u003c\/li\u003e\n      \u003cli\u003eDiameter: 18mm\u003c\/li\u003e\n      \u003cli\u003eCurrent: Within 30A\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDCB2130:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eControl Method: Knob switch for easy manual adjustment\u003c\/li\u003e\n      \u003cli\u003eDiameter: 29mm\u003c\/li\u003e\n      \u003cli\u003eVoltage: 21V\u003c\/li\u003e\n      \u003cli\u003eCurrent: Within 30A\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eMulti-voltage support:\u003c\/strong\u003e Compatible with 7.4V, 12V, and 21V DC power sources\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eHigh-speed performance:\u003c\/strong\u003e Supports ultra-high RPM up to 130,000 for demanding applications\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003ePWM speed regulation:\u003c\/strong\u003e Smooth, stepless speed control for precise motor management\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eHigh current handling:\u003c\/strong\u003e DCB730 \u0026amp; DCB2130 support up to 30A continuous current\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eKnob-controlled option:\u003c\/strong\u003e DCB2130 features an intuitive knob for hands-on speed adjustment\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eCompact form factor:\u003c\/strong\u003e Fits easily into tight enclosures and project builds\u003c\/li\u003e\n  \u003cli\u003e✅ \u003cstrong\u003eBrushless efficiency:\u003c\/strong\u003e Designed specifically for brushless DC motors — less wear, longer lifespan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIdeal Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRC cars, boats, and drones\u003c\/li\u003e\n  \u003cli\u003eDIY power tools and workshop equipment\u003c\/li\u003e\n  \u003cli\u003eRobotics and automation projects\u003c\/li\u003e\n  \u003cli\u003eElectric fans and ventilation systems\u003c\/li\u003e\n  \u003cli\u003e3D printer motors and CNC machines\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× Motor Driver Board (model of your choice)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to differences in lighting and screen calibration, the item's color may vary slightly from product images.\u003c\/li\u003e\n  \u003cli\u003ePlease allow a tolerance of 1mm–1cm due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More About Motor Control Technology\u003c\/h3\u003e\n\u003cp\u003eFor more background on PWM motor control and brushless motor principles, visit the NIST Intelligent Systems Division — Motion Control resource.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the DCB128, DCB730, and DCB2130 brushless motor driver boards?\u003c\/h4\u003e\n\u003cp\u003eA: The \u003cstrong\u003eDCB128\u003c\/strong\u003e is a compact 16mm board designed for high-speed applications up to 100,000 RPM at 12V using PWM regulation. The \u003cstrong\u003eDCB730\u003c\/strong\u003e is an 18mm board rated for up to 130,000 RPM at 7.4V with a 30A current capacity. The \u003cstrong\u003eDCB2130\u003c\/strong\u003e is the largest at 29mm, supports 21V and 30A, and features a convenient knob switch for manual speed adjustment — ideal for higher-power builds.\u003c\/p\u003e\n\u003ch4\u003eQ: What type of motors are compatible with this PWM brushless motor speed controller?\u003c\/h4\u003e\n\u003cp\u003eA: This driver board is specifically designed for \u003cstrong\u003ebrushless DC (BLDC) motors\u003c\/strong\u003e. 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.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this motor driver board in an RC car or drone project?\u003c\/h4\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch4\u003eQ: What power source is required for this motor driver module?\u003c\/h4\u003e\n\u003cp\u003eA: The module runs on DC power. Depending on the model, it supports \u003cstrong\u003e7.4V, 12V, or 21V DC\u003c\/strong\u003e input. Ensure your power supply matches the voltage specification of your chosen model for safe and optimal operation.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the DCB128, DCB730, and DCB2130 brushless motor driver boards?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"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. 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