Product Overview
The FEETECH STS3035 is a high-torque TTL serial bus servo designed for robotics, automation equipment, intelligent motion control, and multi-servo robotic systems. Featuring a core motor, copper gears, PA + aluminum housing, and 360° position control, the STS3035 supports digital packet communication and precise multi-node control applications.
This servo is suitable for robotic joints, quadruped robots, educational robots, motion platforms, and custom automation projects requiring stable torque output and serial bus networking.
Key Features
- 35kg.cm stall torque at 12V
- TTL serial bus communication
- 360° position control (0–4095)
- Core motor design
- Copper metal gears
- PA + aluminum housing for improved heat dissipation
- 25T spline output shaft
- Supports multi-servo bus networking
- Compact industrial structure
- High durability for robotic applications
Technical Specifications
| Item | Specification |
|---|---|
| Model | ST-3035-C001 |
| Operating Voltage | 9V–12V |
| Stall Torque | 35kg.cm @ 12V |
| Rated Load Torque | 11.6kg.cm @ 12V |
| No-Load Speed | 0.22sec/60° (45RPM) @ 12V |
| No-Load Current | 220mA (Max) @ 12V |
| Rated Current | 900mA @ 12V |
| Rotation Range | 360° (0–4095) |
| Control Signal | Digital Packet |
| Gear Material | Copper |
| Motor Type | Core Motor |
| Output Shaft | 25T / OD 5.9mm |
| KT Constant | 12.26kg.cm/A |
| Neutral Position | 2048 |
| Housing Material | PA + Aluminum |
| Operating Temperature | -10°C to 60°C |
| Product Size | 40.2 × 20.2 × 40mm |
| Weight | 62.5 ± 2g |
Mechanical Dimensions
| Item | Value |
|---|---|
| Servo Body Length | 40.2mm |
| Servo Width | 20.2mm |
| Servo Height | 40mm |
| Overall Height | 51.4mm |
| Output Shaft Spline | 25T |
| Output Shaft Diameter | 5.9mm |
Communication & Control
The STS3035 uses TTL serial bus communication, enabling multiple servos to operate on the same communication line. This design simplifies wiring and is suitable for robotic systems requiring coordinated motion control.
Supported control characteristics include:
- 360° position control
- Digital packet communication
- Servo ID configuration
- Multi-servo networking
- Neutral position reference (2048)
Housing & Structural Design
The servo adopts a PA + aluminum middle housing structure for improved rigidity and thermal conductivity. The metal gear system uses copper gears for enhanced durability and wear resistance in long-term robotic operation.
Typical Applications
- Quadruped robots
- Humanoid robots
- Robot joints
- Educational robotics
- Motion control systems
- Automation equipment
- DIY robotic projects
- Multi-axis robotic platforms
Packing List
Standard Version
- STS3035 Servo ×1
- Servo Horns
- Mounting Screws
- Servo Cable
- Metal Servo Horn
- Brackets (depending on package option)
Debug Board Package
- STS3035 Servo ×1
- USB Debug Board
- USB Cable
- Servo Accessories Set
