Description
The Waveshare ST3235 Serial Bus Servo is a professional-grade, high-torque actuator designed for sophisticated robotic applications requiring real-time closed-loop feedback. Featuring a high-precision 360° absolute magnetic encoder with 4096-step resolution, this servo offers unmatched positional accuracy and versatility. It can be programmed to function as a standard position servo, a continuous rotation motor, or a stepper motor, making it an ideal choice for complex platforms like robotic arms, hexapods, and humanoid robots.
Engineered for modularity, the ST3235 supports daisy-chaining up to 253 units on a single serial bus, drastically simplifying wiring in multi-DOF (Degrees of Freedom) systems. Its robust aluminum alloy casing and high-precision steel gear train ensure durability, while the integrated acceleration and deceleration control enables fluid, human-like motion profiles for advanced robotics.
Key Features
- High-Torque Actuation: Delivers 30KG.cm of torque at 12V, providing the power required for heavy-duty robotic structures.
- 360° Absolute Positioning: High-precision magnetic encoder provides 12-bit (4096 points) resolution over a full rotation.
- Serial Bus Architecture: Allows daisy-chaining of up to 253 servos, significantly reducing complex wiring harnesses.
- Advanced Telemetry: Supports real-time feedback of internal parameters including position, load, voltage, mode, and temperature.
- Programmable Operation: Easily switch between servo angle control, continuous rotation (motor mode), and stepper motor mode via software.
- Fluid Motion Control: Built-in acceleration and deceleration (start-stop) functions enable softer, more controlled movements.
- Wide Power Compatibility: Supports 6V–12.6V input, compatible with 2S or 3S Li-ion/LiPo battery packs.
Benefits for Industrial Integration
- Simplified Maintenance: Absolute encoder maintains position data, reducing the need for complex homing sequences on startup.
- Robust Design: Steel gear train and aluminum alloy case provide excellent wear resistance and thermal dissipation under high loads.
- Design Flexibility: Programmable “middle position” settings simplify mechanical assembly and calibration for any robot joint.
- Real-Time Analytics: Closed-loop feedback facilitates predictive maintenance and dynamic load monitoring in automated systems.
Applications
- Humanoid & Hexapod Robotics: Perfect for dynamic walking platforms requiring high-speed response and precise gait control.
- Multi-DOF Robotic Arms: Industrial-grade actuation for complex articulated arm assemblies.
- Autonomous Mobile Platforms: Efficient drive solution for wheel-based or legged mobile robots.
- Custom Automated Jigs: Reliable, feedback-capable actuators for industrial research and testing fixtures.
Technical Specifications
| Parameter | Specification |
|---|---|
| Item Type | High-Torque Serial Bus Servo |
| Operating Voltage | 6V to 12.6V DC |
| Rated Torque | 30 KG.cm (@12V) |
| Encoder Type | 360° Absolute Magnetic Encoder |
| Control Resolution | 4096 Steps (0.088° per step) |
| Gear Material | High-Precision Steel Gears |
| Communication Interface | Serial Bus (UART) |
| Device ID Range | 1 ~ 253 |
| No-Load Current | 190 mA |
| Locked-Rotor Current | 2.7 A |
| Housing Material | Aluminum Alloy |
| Dimensions | 45.22 x 37.25 x 24.72 mm |
| Weight | ~82g |
