Product Description
The FEETECH ST3215 is a compact TTL serial bus servo designed for robotic joints, lightweight robotic arms, OpenDuck projects, SO-100/SO-101 robots, and embedded intelligent motion systems.
It features 360° magnetic encoder feedback, metal gears, dual-shaft structure, and programmable serial communication for multi-servo robotic applications.
The ST3215 supports position feedback, speed feedback, voltage feedback, current feedback, and programmable parameters through TTL bus communication.
Its compact size and lightweight structure make it suitable for humanoid robots, robotic claws, educational robotics, intelligent manufacturing equipment, and compact robotic mechanisms.
Key Features
- 360° magnetic encoder feedback
- TTL serial bus communication
- Dual shaft design
- Metal gear transmission
- Compact lightweight structure
- Programmable ID and parameters
- Position / speed / voltage / current feedback
- Supports multi-servo bus control
- Suitable for SO-100 / SO-101 / OpenDuck robots
- Compatible with robotic arm applications
Applications
- Open source robotic arms
- SO-100 robotic systems
- SO-101 robots
- OpenDuck robots
- Humanoid robot joints
- Educational robotics
- Compact automation equipment
- Intelligent manufacturing systems
Technical Specifications
| Parameter | ST-3215-C001 | ST-3215-C044 | ST-3215-C046 |
|---|---|---|---|
| Operating Voltage | 4V–7.4V | 4V–7.4V | 4V–7.4V |
| Control Method | TTL Serial Bus | TTL Serial Bus | TTL Serial Bus |
| Encoder Type | Magnetic Encoder | Magnetic Encoder | Magnetic Encoder |
| Rotation Angle | 360° | 360° | 360° |
| Gear Material | Metal Gear | Metal Gear | Metal Gear |
| Case Material | Plastic Housing | Plastic Housing | Plastic Housing |
| Size | 45.2 × 35 × 24.7 mm | 45.2 × 35 × 24.7 mm | 45.2 × 35 × 24.7 mm |
| Weight | 55±1g | 55±1g | 55±1g |
ST-3215-C001 Specifications
| Item | Value |
|---|---|
| Speed | 0.192 sec/60° (52RPM) @7.4V |
| Stall Torque | 19.5kg.cm @7.4V |
| Stall Current | 2.5A @7.4V |
| Rated Torque | 5kg.cm @7.4V |
| Rated Current | 650mA @7.4V |
| Idle Current | 150mA @7.4V |
| Static Current | 6mA @7.4V |
| Kt Constant | 8kg.cm/A |
Communication Features
- Servo ID configuration
- Baud rate configuration
- Position control
- Speed control
- Acceleration setting
- Torque protection
- Temperature protection
- Voltage protection
- EEPROM parameter storage
- Multi-servo synchronous control
Package Includes
- 1 × ST3215 Servo
- Mounting Screws
- Servo Cable
(Accessories vary depending on selected variant)
