Overview
The FEETECH SM2912 Servo Motor is an RS485 serial bus servo designed for robotics and automation applications requiring precise positioning and robust feedback. This compact unit integrates a 12-bit encoder for high resolution (0.088° at 360 degrees), supports a wide 9V~24V operating voltage, and delivers up to 12kg.cm stall torque @12V with a maximum speed of 110RPM. Its control supports 0–360° rotation and multi-turn arbitrary angle operation, making it suitable for humanoid robots, robotic arms, exoskeletons, quadrupeds, and AGV platforms. A high-precision all-metal gear train enhances durability and repeatability.
Key Features
- RS485 bus packet communication with 254 ID addresses available
- 12-bit encoder feedback; position resolution 0.088º
- Stall torque 12kg.cm@12V; maximum speed 110RPM
- Wide operating voltage 9V~24V; nominal 24VDC
- 0–360° rotation and multi-turn arbitrary angle control
- High-precision all-metal gears; no mechanical limiter
- Compact size A:40mm B:28mm C:42.3mm; weight 102g
Applications
- Humanoid Robots
- Robotic Arms
- Exoskeletons
- Quadruped Robots
- AGV Vehicles
- ARU Robots
Specifications
| Model | SM-2912-C001 |
| Product Name | 12V 12kg RS485 Serial Bus Servo |
| Storage Temperature Range | -30℃~80℃ |
| Operating Temperature Range | -15℃~70℃ |
| Size | A:40mm B:28mm C:42.3mm |
| Weight | 102g |
| Gear Type | High-precision all-metal gear |
| Limit Angle | No Limiter |
| High Torque | 12Kg.cm |
| Wide Operating Voltage | 9V~24V |
| High Resolution | 12-bit encoder (0.088° at 360 degrees) |
| Servo Control Mode | Rotation range 0-360° and multi-turn arbitrary angle |
| Command Signal | Bus Packet Communication RS485 |
| Serial Bus Connection | 254 ID addresses available |
| Baud Rate | 34800 ~1000000 |
| Voltage | 24VDC |
| Continuous Current | 0.8A |
| Maximum Axial Load | 3N |
| Maximum Radial Load | 10N |
| Operating Temperature | 35℃ |
| Quiescent Current | 35mA |
| No-load Current | 200mA |
| Stall Current | 2500mA |
| PWM Frequency | 16KHZ |
| Position Resolution | 0.088º |
| Stall Torque | 12kg.cm@12V |
| Maximum Speed | 110RPM |
Manuals
Details


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