{"product_id":"2804-brushless-dc-motor-driver-board-knob-speed-control-kit","title":"2804 Brushless DC Motor + Driver Board Knob Speed Control Kit","description":"\u003ch2\u003e2804 Brushless DC Motor + Driver Board — Knob Speed Control Kit\u003c\/h2\u003e\n\u003cp\u003eTake full command of motor speed and direction with this ready-to-run \u003cstrong\u003e2804 Brushless DC Motor and Driver Board Kit\u003c\/strong\u003e. Designed for makers, engineers, and electronics enthusiasts, this set delivers smooth open-loop brushless motor control right out of the box — no Hall sensors required. Simply connect power, wire the UVW three-phase leads to the silk-screened terminals, and dial in your desired speed with the onboard knob.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePlug-and-Play Speed Control:\u003c\/strong\u003e Voltage-based speed regulation via a simple knob — no complex programming needed to get started.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eForward \u0026amp; Reverse Control:\u003c\/strong\u003e Easily switch motor rotation direction for versatile application use.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Speed Range:\u003c\/strong\u003e Stable operation from 180 RPM up to 3,100 RPM for precise low- and high-speed applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNo Hall Sensor Required:\u003c\/strong\u003e Sensorless open-loop control keeps wiring simple and component count low.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSmooth Startup:\u003c\/strong\u003e Low-speed debugging stability ensures gentle, reliable motor starts every time.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptional Encoder Upgrade:\u003c\/strong\u003e Choose the kit variant with the AS5600 magnetic encoder to connect to a microcontroller and read cumulative rotation angle and speed data via programming (example code included).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMicrocontroller Compatible:\u003c\/strong\u003e With the encoder option, interface directly with your MCU for closed-loop or data-logging projects.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V DC (maximum 20V, subject to motor rating)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCurrent Draw\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 1A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMotor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2804 Brushless DC Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSpeed Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e180 RPM – 3,100 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Mode\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOpen-loop, voltage speed control\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHall Sensor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNot required (sensorless)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWiring\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUVW three-phase, silk-screened terminals\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eImportant Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe driver board operates in \u003cstrong\u003evoltage speed control mode\u003c\/strong\u003e. At lower speeds, some torque loss is expected. If precise torque control is required, FOC (Field-Oriented Control) is recommended.\u003c\/li\u003e\n  \u003cli\u003eDue to monitor color calibration differences, the actual item color may vary slightly from product images.\u003c\/li\u003e\n  \u003cli\u003ePlease allow ±1–10 mm tolerance due to manual measurement.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 2804 Brushless DC Motor\u003c\/li\u003e\n  \u003cli\u003e1× Motor Driver Board (with knob speed controller)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More\u003c\/h3\u003e\n\u003cp\u003eFor electrical safety standards and best practices when working with DC motor circuits, refer to the \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA Electrical Safety Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Does the 2804 brushless DC motor driver board require Hall sensors?\u003c\/h4\u003e\n\u003cp\u003eA: No. This kit uses sensorless, open-loop control — no Hall sensors are needed. Simply connect the UVW three-phase leads according to the silk-screened markings on the driver board, connect your power supply, and use the knob to control speed.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the operating voltage range for this brushless motor kit?\u003c\/h4\u003e\n\u003cp\u003eA: The recommended operating voltage is 12V DC, with a maximum of 20V (not to exceed the motor's rated maximum voltage). Current draw is under 1A under normal operating conditions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I read the motor's speed and rotation angle with this kit?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — if you select the kit variant that includes the AS5600 magnetic encoder. Connect the encoder to your microcontroller, use the provided example code, and you can read out the cumulative rotation angle and real-time speed data through your development environment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the brushless motor's speed range?\u003c\/h4\u003e\n\u003cp\u003eA: The motor supports a speed range of 180 RPM to 3,100 RPM. Low-speed operation is stable and startup is smooth, making it suitable for a variety of DIY robotics, automation, and electronics projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this kit suitable for torque-sensitive applications?\u003c\/h4\u003e\n\u003cp\u003eA: The driver board uses voltage-based speed control, which may result in some torque reduction at low speeds. For applications where precise torque control is critical, FOC (Field-Oriented Control) is recommended as an alternative control method.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Does the 2804 brushless DC motor driver board require Hall sensors?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. This kit uses sensorless, open-loop control — no Hall sensors are needed. Simply connect the UVW three-phase leads according to the silk-screened markings on the driver board, connect your power supply, and use the knob to control speed.\"}}, {\"@type\": \"Question\", \"name\": \"What is the operating voltage range for this brushless motor kit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The recommended operating voltage is 12V DC, with a maximum of 20V (not to exceed the motor's rated maximum voltage). 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For applications where precise torque control is critical, FOC (Field-Oriented Control) is recommended as an alternative control method.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Electronics \u0026 Tech\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/collections\/electronics-tech\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"2804 Brushless DC Motor + Driver Board Knob Speed Control Kit\", \"item\": \"https:\/\/kujrmc-0q.myshopify.com\/products\/2804-brushless-dc-motor-driver-board-knob-speed-control-kit\"}]}\u003c\/script\u003e","brand":"Vue","offers":[{"title":"Motor-Drive-Encoder","offer_id":48748519915712,"sku":"35:100016897#Motor-Drive-Encoder","price":100.99,"currency_code":"USD","in_stock":true},{"title":"Motor-Drive","offer_id":48748519948480,"sku":"35:201283931#Motor-Drive","price":100.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9338\/7968\/files\/Sae95e76ea3e0438b9dd679b2d9d22f27v.webp?v=1786204500","url":"https:\/\/vueselect.com\/products\/2804-brushless-dc-motor-driver-board-knob-speed-control-kit","provider":"Vue","version":"1.0","type":"link"}