Overview
The FEETECH STS3045 Servo Motor (model STS3045M) is a serial bus, coreless, metal-gear actuator with ball bearings and an aluminium case. It supports 360° operation when commanded 0~4096 and has no mechanical limit angle. Operating on 4.8-7.4V, it provides digital packet control over half duplex asynchronous serial communication with ID addressing and wide baud rate support, plus rich feedback (load, position, speed, input voltage, current, temperature).
Key Features
- Operating Voltage Range: 4.8-7.4V
- No load speed: 0.133sec/60°@6V
- Peak stall torque: 6kg.cm@6V; Rated torque: 2kg.cm@6V
- Stall current: 1.4A@6V; Runnig current(at no load): 120 mA@6V
- Coreless Motor with Metal Gear and ball bearings; Aluminium case
- No limit angle; Running degree: 360° (when 0~4096)
- Horn gear spline: 25T/OD5.9mm; Horn type: Plastic,POM; Connector wire: 15CM
- Command signal: Digital Packet; Protocol: Half Duplex Asynchronous Serial Communication
- ID Range: 0-253; Communication speed: 38400bps ~ 1 Mbps
- Size: A:36mm B:15mm C:29.2mm; Weight: 34.8± 1g
- Temperature ranges: Storage -30℃~80℃; Operating -20℃~60℃
Specifications
| Parameter | Value |
|---|---|
| Model | STS3045M |
| Product Name | 6v 6kg 360 degree steering gear |
| Storage Temperature Range | -30℃~80℃ |
| Operating Temperature Range | -20℃~60℃ |
| Size | A:36mm B:15mm C:29.2mm |
| Weight | 34.8± 1g |
| Gear type | Metal Gear |
| Limit angle | NO limit |
| Bearing | Ball bearings |
| Horn gear spline | 25T/OD5.9mm |
| Horn type | Plastic,POM |
| Case | Aluminium |
| Connector wire | 15CM |
| Motor | Coreless Motor |
| Operating Voltage Range | 4.8-7.4V |
| No load speed | 0.133sec/60°@6V |
| Runnig current(at no load) | 120 mA@6V |
| Peak stall torque | 6kg.cm@6V |
| Rated torque | 2kg.cm@6V |
| Stall current | 1.4A@6V |
| Command signal | Digital Packet |
| Protocol Type | Half Duplex Asynchronous Serial Communication |
| ID Range | 0-253 |
| Communication speed | 38400bps ~ 1 Mbps |
| Running degree | 360° (when 0~4096) |
| Feedback | Load, Position,Speed, Input Voltage,Current,Temperature |
Applications
- Humanoid Robots
- Robotic Arms
- Exoskeletons
- Quadruped Robots
- AGV Vehicles
- ARU Robots
Manuals
- SC-0090-C001 Serial Communication Specification (PDF)
- STS3045-PRODUCT_SPECIFICATION.pdf
- STS3045_Product_structure_diagram.pdf
Details




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