Product Overview
The FEETECH STS3032 is a compact intelligent serial bus servo designed for quadruped robots, robotic joints, humanoid robots, and embedded motion control systems. Featuring a coreless motor, full metal gear train, magnetic encoder feedback, and 360° programmable rotation, the STS3032 delivers precise positioning, smooth motion control, and stable communication through TTL half-duplex serial protocol.
Its lightweight structure and programmable multi-mode operation make it suitable for advanced robotics applications requiring synchronized multi-servo control.
Key Features
- 360° programmable rotation with software angle limiting
- Coreless motor for fast response and high efficiency
- Full metal gear transmission for durability
- 12-bit magnetic encoder feedback
- TTL serial bus communication
- Multi-servo synchronized control support
- Real-time feedback of position, speed, voltage, temperature, and load
- PID parameter adjustment support
- Overload and overheat protection
- One-click midpoint calibration
- Supports quadruped robot joint applications
Technical Specifications
| Item | Specification |
|---|---|
| Model | STS3032 |
| Dimensions | 23 × 12 × 27.5 mm |
| Weight | 20.6 ± 1 g |
| Operating Voltage | 4V – 7.4V |
| Operating Temperature | -20°C ~ 60°C |
| No-load Speed | 111 RPM @ 6V |
| No-load Current | 150 mA @ 6V |
| Stall Current | 1200 mA @ 6V |
| Stall Torque | 4.5 kg·cm @ 6V |
| Rated Torque | 1.5 kg·cm @ 6V |
| Rotation Range | 360° Programmable |
| Sensor Type | 12-bit Magnetic Encoder |
| Position Resolution | 360° / 4096 |
| Output Shaft | 25T / OD 4.95 mm |
| Communication Protocol | TTL Half-Duplex Serial Bus |
| Baud Rate | 38400 – 1000000 bps |
| Control Signal | TTL Communication Level |
| Kt Constant | 3.5 kg·cm/A |
Intelligent Control Functions
| Function | Description |
|---|---|
| Position Mode | Absolute position control with acceleration support |
| Speed Closed Loop | Maintains stable speed under varying load |
| Step Mode | Incremental position movement |
| Angle Limit | Software programmable angle restriction |
| Torque Protection | Prevents overload damage |
| Temperature Protection | Activates protection above 80°C |
| Real-time Feedback | Position, speed, voltage, load, temperature |
| PID Adjustment | Motion tuning support |
| Multi-Servo Control | Up to 253 servos on one bus |
Package Includes
Standard Servo Package
- 1 × STS3032 Bus Servo
- Plastic Servo Horn Set
- Metal Servo Disc
- Connection Cable
- Mounting Screws
Servo + URT Debug Board Kit
- 1 × STS3032 Servo
- 1 × URT Debug Board
- USB Cable
- Accessories Set
