Overview
The FEETECH HL-3606 Servo Motor is a TTL double shaft digital servo designed for robotics and mechatronics applications requiring compact size, coreless motor response, and serial control. It supports half duplex asynchronous serial communication with PID control, offers 0–360° position control (Mode 0), and provides real-time feedback for load, position, speed, input voltage, current, and temperature. Two variants are available: ST-3006-C001 and ST-3006-C002.
Key Features
- TTL double shaft digital servo with half duplex asynchronous serial communication
- Coreless Motor drive and copper+steel gear train with ball bearings
- 0–360° controllable angle (Mode 0), plus motor constant speed (Mode 1) and constant current (Mode 2)
- Constant force output: set a target torque and the servo maintains this torque (address 44)
- Wide voltage range 4.5–7.4V; peak stall torque 6kg.cm@6V; no-load speed 0.09sec/60° (111RPM)@6V
- High-resolution position sensing: 0.088° (360°/4096); neutral position 180°(2048)
- Feedback telemetry: Load, Position, Speed, Input Voltage, Current, Temperature
- 25T/OD4.95mm horn gear spline; aluminium case; connector wire 15CM
Specifications
| Parameter | Value (C001) | Value (C002) |
|---|---|---|
| Model | ST-3006-C001 | ST-3006-C002 |
| Product Name | 6V 6kg constant force Double Shaft TTL servo | 6V 6kg constant force Double Shaft TTL servo |
| Storage Temperature Range | -30℃~80℃ | -30℃~80℃ |
| Operating Temperature Range | -20℃~60℃ | -20℃~60℃ |
| Temperature Range | 25℃ ±5℃ | 25℃ ±5℃ |
| Size | A:23mm B:12mm C:27.5mm | A:23mm B:12mm C:27.5mm |
| Weight | 20.6± 1g | 22.7± 1g |
| Gear type | Copper+Steel | Copper+Steel |
| Limit angle | NO limit | NO limit |
| Bearing | Ball bearings | Ball bearings |
| Horn gear spline | 25T/OD4.95mm | 25T/OD4.95mm |
| Gear Ratio | 1/205 | 1/205 |
| The rocker phantom | 0° | 0° |
| Case | Aluminium | Aluminium |
| Connector wire | 15CM | 15CM |
| Motor | Coreless Motor | Coreless Motor |
| Rated Input Voltage | 4.5-7.4V | 4.5-7.4V |
| No load speed | 0.09sec/60°(111RPM)@6V | 0.09sec/60°(111RPM)@6V |
| Runnig current(at no load) | 150mA@6V | 150mA@6V |
| Peak stall torque | 6kg.cm@6V | 6kg.cm@6V |
| Stall current | 1.3A@6V | 1.3A@6V |
| Rated Load | 1.5kg. cm@6V | 1.5kg. cm@6V |
| Rated current | 350mA@6V | 350mA@6V |
| KT | 4.5kg. cm/A | 4.5kg. cm/A |
| Terminal resistance | 2.8 Ω | 2.8 Ω |
| Operating Modes | Mode 0: Angle Servo Mode (default mode, 0-360 degrees position controllable); Mode 1: Motor Constant Speed Mode (speed remains unchanged without deceleration as load increases); Mode 2: Motor Constant Current Mode (current remains unchanged without reduction as load increases) | Mode 0: Angle Servo Mode (default mode, 0-360 degrees position controllable); Mode 1: Motor Constant Speed Mode (speed remains unchanged without deceleration as load increases); Mode 2: Motor Constant Current Mode (current remains unchanged without reduction as load increases) |
| Constant force output | The position control can be within ±7 turns at low precision, but the number of turns will not be saved after power loss (increasing the resolution can double the number of turns) | The position control can be within ±7 turns at low precision, but the number of turns will not be saved after power loss (increasing the resolution can double the number of turns) |
| Constant force output | Set the output torque value, and the servo can maintain this torque (input the corresponding target torque value at address 44, and the servo can maintain this torque) | Set the output torque value, and the servo can maintain this torque (input the corresponding target torque value at address 44, and the servo can maintain this torque) |
| Command signal | Digital Packet | Digital Packet |
| Protocol Type | Half Duplex Asynchronous Serial Communication | Half Duplex Asynchronous Serial Communication |
| ID range | 0-253 | 0-253 |
| Communication Speed | 38400bps ~ 1 Mbps | 38400bps ~ 1 Mbps |
| Control Algorithm | PID | PID |
| Neutral Position | 180°(2048) | 180°(2048) |
| Running degree | 360° (when 0~4096) | 360° (when 0~4096) |
| Resolution [deg/pulse] | 0.088°(360°/4096) | 0.088°(360°/4096) |
| Rotating Direction | Clockwise(0→4096) | Clockwise(0→4096) |
| Feedback | Load, Position,Speed, Input Voltage,Current,Temperature | Load, Position,Speed, Input Voltage,Current,Temperature |
Applications
- Humanoid Robots
- Robotic Arms
- Exoskeletons
- Quadruped Robots
- AGV Vehicles
- ARU Robots
Manuals
- HL-3606-C001-PRODUCT_SPECIFICATION.pdf
- HL-3606-C001_Product_structure_diagram.pdf
- HL-3606-C002-PRODUCT_SPECIFICATION.pdf
- HL-3606-C002_Product_structure_diagram.pdf
- SC-0090-C001 Serial Communication Specification
Details



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