{"product_id":"feetech-hl-3915-c001-servo-motor","title":"FEETECH HL-3915-C001 Servo Motor","description":"\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe \u003cb data-path-to-node=\"4,0\" data-index-in-node=\"4\"\u003eHL-3915-C001\u003c\/b\u003e is a high-performance, 12V 14kg.cm constant-torque dual-axis TTL bus servo engineered for demanding robotics and precision industrial automation. Enclosed in a rugged aluminum alloy case, it integrates a premium coreless motor with a heavy-duty metal gearbox and Feetech’s proprietary TTL control board. Delivering a powerful stall torque of 14.2 kg.cm, this servo supports multi-turn continuous operation, one-key midpoint calibration, and programmable acceleration with smooth start\/stop functionality. With comprehensive real-time feedback—including position, speed, voltage, current, temperature, and load parameters—it features advanced built-in overload and over-current protection. It is the ideal smart driving solution for collaborative robots, industrial equipment, and high-torque motion control applications.\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"Description: Technical manual for the HL-3915-C001 TTL serial bus servo, specifying multi-mode PID algorithms, address 44 torque registers, and multi-turn absolute position control.\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/HL3915-PRODUCT_SPECIFICATION.pdf?v=1780392937\"\u003eHL-3915-C001-USER-MANUAL.pdf\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca title=\"Description: High-fidelity 3D CAD STEP model illustrating the 20x34x23mm double shaft mechanical envelope and 25T horn gear spline layout of the HL-3915-C001 servo.\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/HL3915-PRODUCT_SPECIFICATION.pdf?v=1780392937\"\u003eHL-3915-C001-3D-MODEL.stp\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv style=\"margin: 20px 0; font-family: 'Segoe UI', Roboto, sans-serif;\"\u003e\n\u003cdiv style=\"overflow-x: auto; border-radius: 14px; box-shadow: 0 12px 40px rgba(0,30,98,0.3); border: 1px solid #e2e8f0; background: #fff;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; min-width: 550px; table-layout: fixed;\"\u003e\n\u003cthead\u003e\n\u003ctr style=\"background: linear-gradient(135deg, #06163a 0%, #003da5 100%);\"\u003e\n\u003cth style=\"padding: 18px 15px; text-align: left; color: #ffffff; font-size: 14px; text-transform: uppercase; letter-spacing: 1.2px; width: 40%; border-bottom: 4px solid #00c4cc;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"padding: 18px 15px; text-align: left; color: #ffffff; font-size: 14px; text-transform: uppercase; letter-spacing: 1.2px; border-bottom: 4px solid #00c4cc;\"\u003eValue \/ Description\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody style=\"color: #334155; font-size: 13px; line-height: 1.6;\"\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eHL-3915-C001\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e12V 14kg double shaft constant force TTL serial bus servo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e-30℃ ~ 80℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e-10℃ ~ 60℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eTemperature Range\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e25℃ ± 5℃\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eHumidity Range\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e65% ± 10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eA: 20mm B: 34mm C: 23mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e35.8 ± 2g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eGear type\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eMetal Gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eLimit angle\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eNo limit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eBearing\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eBall bearings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eHorn gear spline\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e25T \/ OD4.95mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eGear Ratio\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e1\/320\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eThe rocker phantom\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e0°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eCase\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eAluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eConnector wire\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e15CM \/ 20CM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eMotor\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eCoreless Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e4V - 14V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eNo load speed\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e0.1sec \/ 60° (100RPM) @ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eRunnig current (at no load)\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e260mA @ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003ePeak stall torque\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e14.2kg.cm @ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eStall current\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e1.5A @ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eRated Load\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e4.5kg. cm @ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eRated current\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e500mA @ 12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eKT Constant\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e9.3kg. cm\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eOperating Modes\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eMode 0: Angle servo mode (default mode, absolute position controllable from 0-360 degrees)\u003cbr\u003e\u003cbr\u003eMode 1: Motor constant speed mode (motor constant speed mode, maintains speed without deceleration as the load increases)\u003cbr\u003e\u003cbr\u003eMode 2: Motor constant current mode (motor constant current mode, maintains current without decreasing with increasing load) can achieve absolute position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eMulti-Loop Mode\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eAbsolute precision control of positive and negative 7 turns at the highest accuracy, but the number of power failure turns is not saved (the resolution can be expanded, and the number of turns can be doubled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eConstant force output\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eSet the output torque value, the servo can maintain this torque (input the target torque value corresponding to address 44, the servo can maintain this torque)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eCommand signal\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eDigital Packet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eProtocol Type\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eHalf Duplex Asynchronous Serial Communication\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eID range\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e0 - 253\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eCommunication Speed\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e38400bps ~ 1 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eControl Algorithm\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003ePID\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eNeutral Position\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e180° (2048)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eRunning degree\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e360° (when 0 ~ 4095)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eResolution [deg\/pulse]\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003e0.088° (360° \/ 4096)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eRotating Direction\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eClockwise (0 → 4095)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #edf2f7;\"\u003e\n\u003ctd style=\"padding: 14px 15px; font-weight: 600;\"\u003eFeedback\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 15px;\"\u003eLoad, Position, Speed, Input Voltage, Current, Temperature\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"FEETECH","offers":[{"title":"HL-3915-C001","offer_id":45268600487989,"sku":null,"price":49.0,"currency_code":"USD","in_stock":true},{"title":"HL-3915-C001 + URT-1 Debug Board","offer_id":45268600520757,"sku":null,"price":63.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0696\/3832\/4277\/files\/HL-3915-C001Main-001.jpg?v=1780465504","url":"https:\/\/www.zennixtek.com\/products\/feetech-hl-3915-c001-servo-motor","provider":"ZennixTek","version":"1.0","type":"link"}