{"product_id":"unitree-ys-342026-servo-motor","title":"Unitree YS-342026 Brushless Digital Servo Motor S288\/J288, TTL Bus Serial, 288.35:1 for Robot Joints","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eThe Unitree YS-342026 series brushless digital servo motor is a compact, highly integrated actuator for robotics motion joints and embodied intelligence applications. It combines a gear reducer, a brushless high-speed motor, and a control board package, and supports high-speed communication over a TTL-level multi-point bus.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHighly integrated modular design: gear reducer + brushless high-speed motor + control board package\u003c\/li\u003e\n\u003cli\u003eHybrid control algorithm; hybrid mode supports rotor torque\/angle\/velocity plus rotor stiffness and damping\u003c\/li\u003e\n\u003cli\u003eHigh-speed communication: 6,000,000 bps, half-duplex asynchronous serial (8bit, 1 stop, no parity)\u003c\/li\u003e\n\u003cli\u003eTTL level multi-point bus connection; ID range 0–14\u003c\/li\u003e\n\u003cli\u003ePrecision reducer; gear ratio 288.35:1\u003c\/li\u003e\n\u003cli\u003eTemperature and position sensing with motor feedback including rotor torque, rotor angle, output end angle, rotor angular velocity, temperature, voltage, and error status\u003c\/li\u003e\n\u003cli\u003eModel options with different mechanical materials:\n    \u003cul\u003e\n\u003cli\u003eYS-342026-S288: high-strength engineering plastic gear and housing\u003c\/li\u003e\n\u003cli\u003eYS-342026-J288: steel gear and aluminum alloy housing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eInstallation supports front fixing and back fixing\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eApplications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eHumanoid robots\u003c\/li\u003e\n\u003cli\u003eQuadruped robots\u003c\/li\u003e\n\u003cli\u003eRobotic arms\u003c\/li\u003e\n\u003cli\u003eDexterous hands and motion joints\u003c\/li\u003e\n\u003cli\u003eExoskeletons\u003c\/li\u003e\n\u003cli\u003eAGV vehicles\u003c\/li\u003e\n\u003cli\u003eARU robots\u003c\/li\u003e\n\u003cli\u003eDIY creation\u003c\/li\u003e\n\u003cli\u003eRobot competitions\u003c\/li\u003e\n\u003cli\u003eScientific research and education\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003cdiv style=\"overflow-x:auto;\"\u003e\u003ctable style=\"width:100%; border-collapse:collapse; min-width:720px;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:10px; border-bottom:1px solid #ddd;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:10px; border-bottom:1px solid #ddd;\"\u003eYS-342026-S288\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:10px; border-bottom:1px solid #ddd;\"\u003eYS-342026-J288\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eYS-342026-S288\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eYS-342026-J288\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eInput Voltage Min.\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e6.4V\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e6.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eInput Voltage Recommended\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e12.6V\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e25.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eInput Voltage Max.\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e12.6V\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e25.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e12.6V\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e25.2V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eNo-load Current\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0.27A@12V\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0.45A@25.2V\u003cbr\u003e0.27A@12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMaximum Line Current\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0.32A\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e1.92A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMaximum (No-load) Speed\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e16.5rad\/s (157rpm)@12V\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e35rad\/s (334rpm)@25.2V\u003cbr\u003e16.5rad\/s (157rpm)@12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eTorque Constant\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0.554Nm\/A\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0.554Nm\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMaximum (Stall) Torque\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eTorque same direction as speed: 0.07Nm\u003cbr\u003eTorque opposite direction as speed: 0.2Nm\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eTorque same direction as speed: 0.5Nm\u003cbr\u003eTorque opposite direction as speed: 1.5Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eOperating Temperature Min.\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e-20°C\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e-20°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eOperating Temperature Max.\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eDrive board over 90°C shutdown with overheating error\u003cbr\u003eWinding over 120°C shutdown with overheating error\u003cbr\u003eRotor, output end, dual absolute encoder\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eDrive board over 120°C shutdown with overheating error\u003cbr\u003eWinding over 120°C\u003cbr\u003eRotor, output end\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003ePosition Sensor\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eBrushless motor\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eBrushless motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eBaud Rate\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e6,000,000bps\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e6,000,000bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eControl Algorithm\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHybrid control\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHybrid control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eGear Material\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHigh-strength engineering plastic\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eSteel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHousing Material\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHigh-strength engineering plastic\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eAluminum alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eDimensions (W×H×D)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e20×34×26mm\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e20×34×26mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e19.5g\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e35g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eGear Ratio\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e288.35:1\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e288.35:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eCommand Signal\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eDigital data packet\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eDigital data packet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eRotor End Encoder Resolution\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e15bit\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e15bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eProtocol Type\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHalf-duplex asynchronous serial communication (8bit, 1stop, No Parity)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHalf-duplex asynchronous serial communication (8bit, 1stop, No Parity)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eConnection (Physical)\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eTTL level multi-point bus\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eTTL level multi-point bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eID\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0–14\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0–14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eMotor Sensing Feedback\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eRotor torque, Rotor angle, Output end angle, Rotor angular velocity, Temperature, Voltage, Error status\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eRotor torque, Rotor angle, Output end angle, Rotor angular velocity, Temperature, Voltage, Error status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eProtocol Version\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eUnitree Custom Protocol\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eUnitree Custom Protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eOperating Mode \/ Angle\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHybrid mode: Rotor torque, Rotor angle, Rotor angular velocity, Rotor stiffness, Rotor damping\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eHybrid mode: Rotor torque, Rotor angle, Rotor angular velocity, Rotor stiffness, Rotor damping\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003eStandby Current\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0.05A@12V\u003c\/td\u003e\n\u003ctd style=\"padding:10px; border-bottom:1px solid #eee;\"\u003e0.026A@25.2V\u003cbr\u003e0.05A@12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003ch2\u003eDocuments\u003c\/h2\u003e\u003cul\u003e\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Unitree_A1_Motor.STEP?v=1757516776\" rel=\"noopener\" target=\"_blank\"\u003eSTEP file: Unitree_A1_Motor.STEP\u003c\/a\u003e\u003c\/li\u003e\u003c\/ul\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Unitree YS-342026 brushless digital servo motor actuator, compact integrated joint module on dark background\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-Brushless-Digital-Servo-Motor.jpg?v=1781321670\"\u003e\u003cp\u003eThe Unitree YS-342026 brushless digital servo motor integrates a reducer, motor, and control board for compact robotic joints.\u003c\/p\u003e\n\u003cimg alt=\"Feature icon set for brushless motor, precision reducer, sensors, high integration, and high-speed communication\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-Brushless-Digital-Servo-Motor_ed170dfa-d063-4e81-8973-8dbb7dea2c29.jpg?v=1781321681\"\u003e\u003cimg alt=\"Close-up of Unitree YS-342026 servo motor front output flange with bolt pattern and housing details\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-Brushless-Digital-Servo-Motor_fd98ec7c-a71d-4f88-9dc1-f4926a6a4813.jpg?v=1781321692\"\u003e\u003cimg alt=\"Product notes highlighting integrated reducer + brushless motor + control board, sensors, and serial bus communication\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-Brushless-Digital-Servo-Motor_623076e4-713d-4e18-905e-932e57d4cc84.jpg?v=1781321702\"\u003e\u003cp\u003eA modular actuator design supports temperature\/position feedback and TTL multi-point bus communication for coordinated motion control.\u003c\/p\u003e\n\u003cimg alt=\"Industry application collage for robotics actuators: DIY builds, research and education, motion joints, and robot competitions\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-Brushless-Digital-Servo-Motor_a8cd644e-e703-4ce4-a1d0-4839451dbf5b.jpg?v=1781321712\"\u003e\u003cp\u003eBuilt for embodied intelligence projects ranging from classroom prototypes to competition robots and motion-joint assemblies.\u003c\/p\u003e\n\u003cimg alt=\"Installation diagram for Unitree YS-342026 brushless digital servo motor with front fixing and back fixing mounting options\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Unitree-Brushless-Digital-Servo-Motor_c11b94c8-5f17-4d5e-8416-c6cdbef42ad3.jpg?v=1781321720\"\u003e\u003cp\u003eFront- and back-fixing mounting options make it easier to fit the actuator into different joint and bracket designs.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Unitree","offers":[{"title":"YS-342026-S288 \/ NOT Include","offer_id":47765304639718,"sku":"Unitree_Brush_0b1f60-1","price":75.0,"currency_code":"USD","in_stock":true},{"title":"YS-342026-S288 \/ UART to USB Module","offer_id":47765304672486,"sku":"Unitree_Brush_0b1f60-2","price":110.0,"currency_code":"USD","in_stock":true},{"title":"YS-342026-J288 \/ NOT Include","offer_id":47765304705254,"sku":"Unitree_Brush_0b1f60-3","price":222.0,"currency_code":"USD","in_stock":true},{"title":"YS-342026-J288 \/ UART to USB Module","offer_id":47765304738022,"sku":"Unitree_Brush_0b1f60-4","price":257.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/Unitree-YS-342026-Brushless-Digital-Servo-Motor-S288J288.jpg?v=1781321903","url":"https:\/\/robotdoo.com\/products\/unitree-ys-342026-servo-motor","provider":"RobotDoo","version":"1.0","type":"link"}