{"product_id":"roller485-unit-with-bldc-motor-stm32","title":"Roller485 Unit with BLDC Motor (STM32)","description":"\u003cdiv class=\"custom-video-container\" style=\"position: relative; padding-bottom: 55%; height: 0; overflow: hidden; max-width: 100%; border-radius: 8px; margin: 10px 0; box-shadow: 0 4px 12px rgba(0,0,0,0.1);\"\u003e\n  \n  \u003cvideo style=\"position: absolute; top: -2%; left: 0; width: 100%; height: 100%;\" playsinline muted controls\u003e\n    \u003csource src=\"https:\/\/m5stack.oss-cn-shenzhen.aliyuncs.com\/resource\/docs\/products\/unit\/Unit-Roller485\/3e5ec07a60735d6943fa7659b7978182.mp4\" type=\"video\/mp4\"\u003e\u003c\/video\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n\/* ===== Scoped Description Style ===== *\/\n.product-description.rte {\n  font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, \"Helvetica Neue\", Arial, sans-serif;\n  color: #2c2c2c;\n  line-height: 1.65;\n  font-size: 16px;\n}\n\n\/* ===== Headings ===== 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middle;\n}\n.product-description.rte .table-container tbody td:first-child {\n  width: 36%;\n  text-align: center;\n  font-weight: 500;\n  color: #4a4f57;\n  background-color: rgba(31, 111, 229, 0.02);\n}\n.product-description.rte .table-container tbody tr:nth-child(even) {\n  background-color: #f7f9fc;\n}\n@media (hover: hover) {\n  .product-description.rte .table-container tbody tr:hover {\n    background-color: #eef3ff;\n  }\n}\n\n\/* ===== Learn \u0026 Documents Button ===== *\/\n.product-description.rte #learn-and-documents-btn {\n  display: inline-flex;\n  align-items: center;\n  padding: 6px 14px;\n  background-color: #1f6fe5;\n  color: #ffffff;\n  font-weight: 600;\n  border-radius: 6px;\n  margin-top: 8px;\n  text-decoration: none;\n  transition: background 0.3s ease;\n}\n.product-description.rte #learn-and-documents-btn:hover {\n  background-color: #1661c1;\n}\n\n\/* ===== Responsive Design for Smaller Screens (with table adjustments) ===== *\/\n@media screen and (max-width: 768px) {\n  .product-description.rte .table-container table,\n  .product-description.rte .table-container thead,\n  .product-description.rte .table-container tbody,\n  .product-description.rte .table-container th,\n  .product-description.rte .table-container td,\n  .product-description.rte .table-container tr {\n    display: block;\n    width: 100%;\n  }\n  .product-description.rte .table-container thead {\n    display: none;\n  }\n  .product-description.rte .table-container tbody tr {\n    padding: 12px 0;\n    border-bottom: 1px solid #e6ebf2;\n  }\n  .product-description.rte .table-container tbody td {\n    padding: 8px 16px;\n    border: none;\n    text-align: left;\n  }\n  .product-description.rte .table-container tbody td:first-child {\n    width: 100%;\n    background: none;\n    color: #1f6fe5;\n    font-weight: 600;\n    padding-top: 16px;\n  }\n  .product-description.rte .table-container tbody td:last-child {\n    padding-bottom: 16px;\n    color: #2c2f36;\n    line-height: 1.6;\n  }\n\n  \/* Ensure button appears correctly on mobile *\/\n  .product-description.rte #learn-and-documents-btn {\n    font-size: 14px;\n    padding: 8px 16px;\n  }\n}\n\u003c\/style\u003e\n\u003ch2 data-id=\"Description\" id=\"description\"\u003eDescription\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eUnit Roller485\u003c\/strong\u003e is a brushless DC motor motion execution kit with integrated control functions, designed for efficient motion control. The product supports 6-16V DC power input (via the PWR485 interface) or 5V input (via the Grove interface), and can automatically adjust the power coefficient to ensure optimal performance.\u003c\/p\u003e\n\u003cp\u003eIt features a built-in \u003cstrong\u003eFOC\u003c\/strong\u003e closed-loop drive system, using a 3504 200KV brushless motor, with a maximum continuous phase current of 0.5A and a short-term peak of 1A without forced cooling. The driver uses a magnetic encoder as feedback, supporting current, speed, and position triple-loop control to ensure precise control. The device offers an optional electrical slip ring, allowing the top Grove interface to remain connected to the bottom even during 360° rotation, enabling additional modules to be expanded on the top while ensuring power and data transmission for the rotating part.\u003c\/p\u003e\n\u003cp\u003eAdditionally, the device is equipped with a 0.66-inch \u003cstrong\u003eOLED\u003c\/strong\u003e display on the back to show real-time status. It also includes built-in RGB indicators and function buttons for easy human-machine interaction. The product's top and base designs feature LEGO-compatible mounting holes and M3 screw holes for quick assembly and integration. \u003cstrong\u003eUnit Roller485\u003c\/strong\u003e is fully open-source in both hardware and software, supporting motion control and parameter adjustment via \u003cstrong\u003eRS485\u003c\/strong\u003e or \u003cstrong\u003eI2C\u003c\/strong\u003e buses, and provides SWD and SWO debugging interfaces, further enhancing developer flexibility. This product is used in robotic joints, motion control, industrial automation, and visual demonstration projects.\u003c\/p\u003e\n\u003ch2 data-id=\"Features\" id=\"features\"\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBrushless DC motor control\u003c\/li\u003e\n\u003cli\u003eRS-485\/I2C communication control\u003c\/li\u003e\n\u003cli\u003eIntegrated OLED display\u003c\/li\u003e\n\u003cli\u003eRGB indicators\u003c\/li\u003e\n\u003cli\u003eFOC closed-loop drive system\u003c\/li\u003e\n\u003cli\u003eSlip ring\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-id=\"Includes\" id=\"includes\"\u003eIncludes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 x Unit Roller485\u003c\/li\u003e\n\u003cli\u003e1 x HT3.96R-4P connector\u003c\/li\u003e\n\u003cli\u003e2 x HY2.0-4P Grove cables (5cm)\u003c\/li\u003e\n\u003cli\u003e6 x Friction pins\u003c\/li\u003e\n\u003cli\u003e1 x Flange\u003c\/li\u003e\n\u003cli\u003e1 x Bracket\u003c\/li\u003e\n\u003cli\u003e1 x Hex key (2.5mm)\u003c\/li\u003e\n\u003cli\u003e1 x Hex key (2mm)\u003c\/li\u003e\n\u003cli\u003e6 x M3 nuts\u003c\/li\u003e\n\u003cli\u003e2 x Hex socket head M3x14mm screws\u003c\/li\u003e\n\u003cli\u003e4 x Hex socket head M3x14mm screws\u003c\/li\u003e\n\u003cli\u003e4 x Hex socket head M3x12mm screws\u003c\/li\u003e\n\u003cli\u003e1 x Single-ended terminal cable 5P debugging cable\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-id=\"Applications\" id=\"applications\"\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eRobotic joint control\u003c\/li\u003e\n\u003cli\u003eSmart manufacturing equipment\u003c\/li\u003e\n\u003cli\u003eVisual demonstrations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 data-id=\"Specifications\" id=\"specifications\"\u003eSpecifications\u003c\/h2\u003e\n\u003cdiv class=\"table-container\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eParameters\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMCU\u003c\/td\u003e\n\u003ctd\u003eSTM32G431CBU6@Cortex-M4, 128KB-Flash, 32KB-SRAM, 170MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003eD3504 200KV brushless motor@diameter: 41mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver Chip\u003c\/td\u003e\n\u003ctd\u003eDRV8311HRRWR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngle Sensor\u003c\/td\u003e\n\u003ctd\u003eTLI5012BE1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interfaces\u003c\/td\u003e\n\u003ctd\u003e1x PWR-485 (HT3.96-4P interface) \u003cbr\u003e2x I2C (0x64)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e0.66-inch OLED display, resolution: 64 x 48, SPI communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRGB LEDs\u003c\/td\u003e\n\u003ctd\u003e2x WS2812-2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Power Supply\u003c\/td\u003e\n\u003ctd\u003ePWR-485 (HT3.96-4P interface) @6-16V\u003cbr\u003eGrove port DC 5V\u003cbr\u003eSlip ring_Grove port DC 5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad\u003c\/td\u003e\n\u003ctd\u003eLoad: 50g Motor speed: 2100rpm Current: DC 16V\/225mA\u003cbr\u003eLoad: 200g Motor speed: 1400rpm Current: DC 16V\/601mA\u003cbr\u003eLoad: 500g (\u003cstrong\u003emaximum load\u003c\/strong\u003e) Motor speed: 560rpm Current: DC 16V\/918mA\u003cbr\u003eNo load: DC 16V\/78mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStandby Current\u003c\/td\u003e\n\u003ctd\u003eGrove port DC 5V@70mA\u003cbr\u003eRS-485 (HT3.96-4P interface) DC 16V@32mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Torque\u003c\/td\u003e\n\u003ctd\u003eGrove port DC 5V: 0.021N.m\/0.2kgf.cm@current 350mA\u003cbr\u003eRS485 (VH3.96-4P interface) DC 16V: 0.065N.m\/0.66kgf.cm@current 927mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSlip Ring (Grove port) Output\u003c\/td\u003e\n\u003ctd\u003eDC 5V\/300mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNoise\u003c\/td\u003e\n\u003ctd\u003e48dB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 ~ 40°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Size\u003c\/td\u003e\n\u003ctd\u003e40.0 x 40.0 x 40.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Weight\u003c\/td\u003e\n\u003ctd\u003e82.9g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Size\u003c\/td\u003e\n\u003ctd\u003e102.0 x 73.0 x 51.0mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e156.8g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"\n  background: #f3f8ff;\n  border: 1px solid #cfe1ff;\n  border-left: 4px solid #1f6fe5;\n  border-radius: 8px;\n  padding: 14px 16px;\n  margin: 24px 0;\n\"\u003e\n  \u003cstrong style=\"\n    display: block;\n    color: #0d47a1;\n    font-size: 15px;\n    margin-bottom: 6px;\n  \"\u003e\n    Note\n  \u003c\/strong\u003e\n\n  \u003cspan style=\"\n    color: #2c2c2c;\n    font-size: 14.5px;\n    line-height: 1.6;\n  \"\u003e\n    The main difference between Unit-Roller485 Lite and Unit-Roller485 is that Unit-Roller485 Lite does not have a slip ring expansion Grove interface or the top LEGO expansion interface.\n  \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"\n  background: #f3f8ff;\n  border: 1px solid #cfe1ff;\n  border-left: 4px solid #1f6fe5;\n  border-radius: 8px;\n  padding: 14px 16px;\n  margin: 24px 0;\n\"\u003e\n  \u003cstrong style=\"\n    display: block;\n    color: #0d47a1;\n    font-size: 15px;\n    margin-bottom: 6px;\n  \"\u003e\n    Power supply voltage\n  \u003c\/strong\u003e\n\n  \u003cspan style=\"\n    color: #2c2c2c;\n    font-size: 14.5px;\n    line-height: 1.6;\n  \"\u003e\n    The power supply should not exceed 16V. If the voltage exceeds 18V, the motor will display a fault code E:1, the motor will not work, and \"Over Voltage\" will be displayed, with the LED turning red.\n  \u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"\n  background: #f3f8ff;\n  border: 1px solid #cfe1ff;\n  border-left: 4px solid #1f6fe5;\n  border-radius: 8px;\n  padding: 14px 16px;\n  margin: 24px 0;\n\"\u003e\n  \u003cstrong style=\"\n    display: block;\n    color: #0d47a1;\n    font-size: 15px;\n    margin-bottom: 6px;\n  \"\u003e\n    Encoder Value and Rotation Angle\n  \u003c\/strong\u003e\n\n  \u003cspan style=\"\n    color: #2c2c2c;\n    font-size: 14.5px;\n    line-height: 1.6;\n  \"\u003e\n    In absolute position mode, the encoder value of 36000 pos corresponds to 360°. Due to the fact that the mechanical installation angle and the encoder angle are not strictly aligned, there may be an error of approximately 2°.\n  \u003c\/span\u003e\n\u003c\/div\u003e\n\u003ch2\u003eLearn and Documents\u003c\/h2\u003e\n\n  → DOCUMENTS\n\n\u003c\/div\u003e","brand":"m5stack-store","offers":[{"title":"Default Title","offer_id":46036115718204,"sku":"nrw1787247147632","price":26.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0676\/6985\/2220\/files\/roller485-unit-with-bldc-motor-stm32_1.webp?v=1787247156","url":"https:\/\/luxecladstore.shop\/products\/roller485-unit-with-bldc-motor-stm32","provider":"My Store","version":"1.0","type":"link"}