{"product_id":"dc-brushless-motor-drive-module-3a-speed-controller-3-4-wire-1","title":"DC Brushless Motor Drive Module 3A Speed Controller 3\/4 Wire","description":"\n\u003ch2\u003eDC Brushless Motor Drive Module – 3A Speed Controller for 3\/4 Wire Motors\u003c\/h2\u003e\n\u003cp\u003eTake precise control of your DC brushless motors with this compact, high-efficiency \u003cstrong\u003e3A Motor Speed Controller Drive Module\u003c\/strong\u003e. Designed for compatibility with 3-wire and 4-wire hard disk motors, optical drive motors, and a wide range of brushless DC motors, this module delivers reliable speed governing in a space-saving form factor. Whether you're building a DIY project, prototyping electronics, or replacing a motor controller in existing equipment, this versatile module gets the job done.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Range:\u003c\/strong\u003e Operates at 8.5V–16V for broad compatibility across motor applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3A Drive Current:\u003c\/strong\u003e Handles demanding loads up to 3A continuous drive current\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Power:\u003c\/strong\u003e Up to 36W output for efficient motor driving\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReverse Connection Protection:\u003c\/strong\u003e Built-in safeguard against accidental reversed wiring\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOvervoltage \u0026amp; Undervoltage Protection:\u003c\/strong\u003e Automatic protection keeps your motor and module safe\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3\/4 Wire Compatibility:\u003c\/strong\u003e Works with both 3-wire and 4-wire brushless DC motors (hard disk, optical drive, and more)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact Design:\u003c\/strong\u003e Measures just 45 × 32 × 12.2 mm — easy to integrate into tight enclosures\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSimple to Use:\u003c\/strong\u003e Straightforward setup with strong versatility for hobbyists and engineers alike\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable style=\"border-collapse:collapse;width:100%\"\u003e\n  \u003ctr style=\"background:#f5f5f5\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eWorking Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e8.5V – 16V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eDriving Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e≤ 3A\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eMaximum Power\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e36W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e45 × 32 × 12.2 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background:#f5f5f5\"\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eMotor Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e3-wire \u0026amp; 4-wire DC brushless motors\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;border:1px solid #ddd\"\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × DC Brushless Motor Drive Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eDue to lighting and screen differences, the item's color may appear slightly different from the product images.\u003c\/li\u003e\n  \u003cli\u003ePlease allow 1mm–1cm measurement variance due to manual measurement methods.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More About Motor Safety \u0026amp; Electronics\u003c\/h3\u003e\n\u003cp\u003eFor guidance on safe use of electrical components and motor controllers, visit the U.S. Consumer Product Safety Commission (CPSC) for consumer electronics safety standards.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What types of brushless DC motors is this drive module compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This DC brushless motor drive module is compatible with both 3-wire and 4-wire brushless DC motors, including hard disk drive motors, optical drive motors, and many other standard brushless motor types commonly used in DIY and electronics projects.\u003c\/p\u003e\n\u003ch4\u003eQ: Does this motor speed controller include reverse connection protection?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the module features built-in reverse connection prevention, which protects the circuit in the event of accidental reversed wiring. It also includes overvoltage and undervoltage protection for added safety during operation.\u003c\/p\u003e\n\u003ch4\u003eQ: What is the operating voltage and maximum power of this controller?\u003c\/h4\u003e\n\u003cp\u003eA: The DC brushless motor drive module operates within a working voltage range of 8.5V to 16V, supports a driving current of up to 3A, and delivers a maximum power output of 36W — making it suitable for a variety of small-to-medium brushless motor applications.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What types of brushless DC motors is this drive module compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This DC brushless motor drive module is compatible with both 3-wire and 4-wire brushless DC motors, including hard disk drive motors, optical drive motors, and many other standard brushless motor types commonly used in DIY and electronics projects.\"}}, {\"@type\": \"Question\", \"name\": \"Does this motor speed controller include reverse connection protection?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes, the module features built-in reverse connection prevention, which protects the circuit in the event of accidental reversed wiring. 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