{"product_id":"kpower-hbl835-servo","title":"Kpower HBL835 Servo Motor, Brushless Metal Gear 66 g 40×20×38 mm, PWM\/TTL\/RS-485 for Robot Joints","description":"\u003cdiv\u003e\n\u003cvideo autoplay=\"autoplay\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/95b3569fa05a401793210349efbc54ce.mp4\" style=\"width: 100%; height: auto; display: block;\"\u003e\n    Your browser does not support the video tag.\n  \u003c\/video\u003e\u003cvideo autoplay=\"autoplay\" controls=\"controls\" loop=\"loop\" muted=\"\" playsinline=\"\" src=\"https:\/\/cdn.shopify.com\/videos\/c\/o\/v\/e4c3767e6f9e49b3a27e5ca3f05f9bac.mp4\" style=\"width: 100%; height: auto; display: block;\"\u003e\n    Your browser does not support the video tag.\n  \u003c\/video\u003e\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Kpower HBL835 Servo Motor is an HBL Series brushless servo motor with an aluminum case and metal gear train. It supports control via PWM, TTL, and RS-485, and is specified with a 40 × 20 × 38 mm form factor and 66 g weight for compact robotics and automation mechanisms.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHBL Series Servo: high torque brushless motor\u003c\/li\u003e\n\u003cli\u003eHigh-precision metal gear\u003c\/li\u003e\n\u003cli\u003eAluminum alloy case material\u003c\/li\u003e\n\u003cli\u003eProtocols listed: PWM | TTL | RS-485\u003c\/li\u003e\n\u003cli\u003eWorking frequency listed: 50 ~ 333 Hz (digital servo compatibility text also states 50–300 Hz high-frequency signals)\u003c\/li\u003e\n\u003cli\u003e3-wire servo lead convention: Brown = GND, Red = Vcc, Orange = Signal\u003c\/li\u003e\n\u003cli\u003eServo pulse width reference (20 ms per cycle): 0.5 ms \/ 1 ms \/ 1.5 ms \/ 2 ms \/ 2.5 ms; output shaft angle example: -90° \/ -45° \/ 0° \/ 45° \/ 90°\u003c\/li\u003e\n\u003cli\u003eHorn gear spline: 25T, φ5.9 mm\u003c\/li\u003e\n\u003cli\u003eIP rating: IP42\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eHBL835\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor\u003c\/td\u003e\n\u003ctd\u003eBrushless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear Material\u003c\/td\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase Material\u003c\/td\u003e\n\u003ctd\u003eAluminum Alloy \/ Aluminum case (listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePosition Sensor\u003c\/td\u003e\n\u003ctd\u003ePotentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall Bearing\u003c\/td\u003e\n\u003ctd\u003e2BB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol\u003c\/td\u003e\n\u003ctd\u003ePWM | TTL | RS-485\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e4.8 ~ 8.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-10 ~ 50°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWorking Frequency\u003c\/td\u003e\n\u003ctd\u003e50 ~ 333 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimension\u003c\/td\u003e\n\u003ctd\u003e40 × 20 × 38 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e66 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-load Speed\u003c\/td\u003e\n\u003ctd\u003e0.10 s\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-load Current\u003c\/td\u003e\n\u003ctd\u003e4100 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTravel Angle Range\u003c\/td\u003e\n\u003ctd\u003e120° (Customizable)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHorn Gear Spline\u003c\/td\u003e\n\u003ctd\u003e25T, φ5.9 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIP Rating\u003c\/td\u003e\n\u003ctd\u003eIP42\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStall Torquee\u003c\/td\u003e\n\u003ctd\u003e15 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Torquee\u003c\/td\u003e\n\u003ctd\u003e3.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque (listed)\u003c\/td\u003e\n\u003ctd\u003e13.8 kg.cm @ 6.0 V; 15.6 kg.cm @ 7.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed (listed)\u003c\/td\u003e\n\u003ctd\u003e0.12 sec\/60 @ 6.0 V; 0.10 sec\/60 @ 7.4 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch2\u003eApplications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eHumanoid Robots\u003c\/li\u003e\n\u003cli\u003eRobotic Arms\u003c\/li\u003e\n\u003cli\u003eExoskeletons\u003c\/li\u003e\n\u003cli\u003eQuadruped Robots\u003c\/li\u003e\n\u003cli\u003eAGV Vehicles\u003c\/li\u003e\n\u003cli\u003eARU Robots\u003c\/li\u003e\n\u003cli\u003eDesktop robot arm mechanisms\u003c\/li\u003e\n\u003cli\u003eIndustrial valve actuation\u003c\/li\u003e\n\u003cli\u003eUnderwater robot mechanisms\u003c\/li\u003e\n\u003cli\u003eSmart bidet mechanisms\u003c\/li\u003e\n\u003cli\u003e1\/5 scale remote control car model\u003c\/li\u003e\n\u003cli\u003eSTEAM education projects\u003c\/li\u003e\n\u003cli\u003eIndustrial automation mechanisms\u003c\/li\u003e\n\u003cli\u003eUAV drone mechanisms\u003c\/li\u003e\n\u003cli\u003eMedical equipment\/device mechanisms (e.g., endoscope mechanism components)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eManuals\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Kpower-HBL835-Drawing.pdf?v=1780716204\" rel=\"noopener\" target=\"_blank\"\u003eKpower-HBL835-Drawing.pdf\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0673\/6848\/5000\/files\/Kpower_Servo_Product_Manual-3.pdf?v=1781066839\" rel=\"noopener\" target=\"_blank\"\u003eKpower_Servo_Product_Manual.pdf\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Kpower HBL835 servo motor with metal output spline and compact aluminum case, multi-protocol control listed\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor.jpg?v=1782381247\"\u003e\u003cp\u003eBuilt for compact robotics, the HBL835 pairs a brushless motor with a durable metal gear train and aluminum housing.\u003c\/p\u003e\n\u003cimg alt=\"HBL Series servo feature graphic highlighting high-torque brushless motor, precision metal gears, and long lifespan\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_b1e4a16a-461c-4c45-8ea9-2f784297d7fe.jpg?v=1782381257\"\u003e\u003cp\u003eBrushless drive and precision metal gears help maintain smooth, repeatable motion under load.\u003c\/p\u003e\n\u003cimg alt=\"HBL series size and protocol table listing 40×20×38 mm, 66 g, PWM\/TTL\/RS-485, and HBL835 torque\/speed\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor.png?v=1782381265\"\u003e\u003cp\u003eThe HBL835 keeps a small 40×20×38 mm footprint and supports PWM, TTL, and RS-485 control for flexible integration.\u003c\/p\u003e\n\u003cimg alt=\"Kpower HBL835 Servo Motor specs graphic with exposed gear train, torque and speed at 6.0 V and 7.4 V\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_cd94cd09-83af-43c4-bbf2-da8d185f979f.jpg?v=1782381274\"\u003e\u003cp\u003eTorque and speed ratings are provided at both 6.0 V and 7.4 V to match common power setups.\u003c\/p\u003e\n\u003cimg alt=\"Servo selection chart showing rotation angle options, speed range, operating voltage, and various motor\/servo types\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_e4d58723-53bd-41af-99cd-200d1c63aef1.jpg?v=1782381281\"\u003e\u003cp\u003eUse the voltage, rotation angle, and speed notes as a quick guide when sizing a servo for your mechanism.\u003c\/p\u003e\n\u003cimg alt=\"Servo horn styles shown as flat, cross, round, and star options for different mounting needs\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_d03f8ff6-4b61-4b73-8010-af9d2aec39e7.jpg?v=1782381288\"\u003e\u003cp\u003eMultiple horn shapes make it easier to match the output spline to linkages, arms, and brackets.\u003c\/p\u003e\n\u003cimg alt=\"Servo PWM pulse width chart mapping 0.5–2.5 ms signals to output shaft angles and 20 ms cycle timing\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_17ebac18-c941-4a3f-a0bd-5a4d009687d1.jpg?v=1782381296\"\u003e\u003cp\u003eStandard servo pulse widths (0.5–2.5 ms per 20 ms cycle) map directly to output angle for straightforward PWM setup.\u003c\/p\u003e\n\u003cimg alt=\"Custom servo motor service graphic listing customization for appearance, torque, protocols, wiring, and protection options\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_c95274c8-b16d-411a-b211-10afc00a4a94.jpg?v=1782381303\"\u003e\u003cp\u003eFor OEM builds, customization options can include torque targets, communication protocols, wiring, and protection features.\u003c\/p\u003e\n\u003cimg alt=\"Stall torque explanation chart recommending rated torque around one-quarter of stall torque for continuous use\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_68a8ce39-2fcf-48fc-a153-b2b4f598378f.jpg?v=1782381314\"\u003e\u003cp\u003eFor continuous duty, selecting a rated torque well below stall torque helps manage heat and reliability.\u003c\/p\u003e\n\u003cimg alt=\"3-wire servo connector pinout showing Brown as GND, Red as Vcc, and Orange as signal\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_55488beb-9fd6-499c-8614-c1eb67005377.jpg?v=1782381324\"\u003e\u003cp\u003eWiring follows the common 3-lead convention: Brown = GND, Red = Vcc, Orange = Signal.\u003c\/p\u003e\n\u003cimg alt=\"Exploded view of a servo motor showing horn, gears, bearings, motor, potentiometer, seals, and housing components\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_dd1f4789-7a98-4de0-bb7f-92683a3c70ef.jpg?v=1782381333\"\u003e\u003cp\u003eInternal component layout highlights typical servo elements like multi-stage gears, bearings, and the position sensor.\u003c\/p\u003e\n\u003cimg alt=\"Cross-industries drive solution collage with use cases like smart home, desktop robots, industrial automation, logistics, and UAV drones\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_652f6b00-e8cc-4f37-b5d9-54cd9392cda6.jpg?v=1782381344\"\u003e\u003cp\u003eA compact servo platform like HBL835 fits projects ranging from desktop robots to industrial automation and UAV mechanisms.\u003c\/p\u003e\n\u003cimg alt=\"Product-oriented ODM service process timeline including needs, design, simulation, sample making, and mass production steps\" loading=\"lazy\" src=\"https:\/\/robotdoo.com\/cdn\/shop\/files\/Kpower-HBL835-Servo-Motor_c0e401e1-ea92-4a40-9619-cc17980fb9e3.jpg?v=1782381351\"\u003e\u003cp\u003eODM support can cover the full path from requirements and design through sampling and production ramp-up.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Kpower","offers":[{"title":"HBL835","offer_id":47919651160294,"sku":"Kpower_HBL835_912377-1","price":149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0954\/0326\/files\/Kpower-HBL835-Servo-Motor-Brushless-Metal-Gear-66-g.jpg?v=1782381709","url":"https:\/\/robotdoo.com\/products\/kpower-hbl835-servo","provider":"RobotDoo","version":"1.0","type":"link"}