Feature
This version of the driver board is only compatible with the So-Arm robotic arm. Alternatively, it can be used to control servos or robotic arms via USB serial port when connected to edge devices such as computers, Raspberry Pi or Jetson — it does NOT support driving robotic arms with ESP32 XIAO.
What's news：
- Fully compatible with the Lerobot SO-Arm robotic arm.
- Wide Compatibility: Supports ST/SC series serial bus servos, making it versatile for various robot projects.
- Flexible Control: Offers USB mode communication, allowing easy control of multiple servos.
- Professional Power Supply: Equipped with a 2P 3.5mm screw terminal for secure and reliable power connections.
- Compact Design: Measures only 42mm x 25mm, ideal for integration into space-constrained projects.
Specification
Name | Details |
Compatible Servo Types | ST/SC series serial bus servos |
Servo Control Quantity | Multiple |
Control Interface | USB |
Communication Protocol | Serial bus protocol (compatible with ST/SC servos) |
Input Voltage Range | 5-12V DC (dependent on servo voltage) |
Power Supply Interface | 2P 3.5mm screw terminal |
Servo Interface | 2.5mm 3P terminal |
Jumper Settings | UART/USB mode switching |
Dimensions | 42mm x 25mm |
Weight | 15g |
Operating Temperature | ● 10°C ~ 60°C |
Q: How do I power the Bus Servo Driver Board?
A: Connect the power supply via the onboard 2P 3.5mm screw terminal. The input voltage range is 5-12V DC, which must match the rated voltage of the servos used and provide sufficient current to support all connected servos during operation.
Q: How do I connect servos and control devices to the board?
A: Servos are connected to the driver board via the 2.5mm 3P terminal, ensuring proper wiring (power, ground, signal lines). Control devices can be connected to a computer via the USB interface or to a microcontroller via the UART interface, with the specific mode determined by the jumper settings.
Q: How many servos can this driver board control?
A: It can control multiple ST/SC series serial bus servos, with the exact number depending on the power supply capacity and bus load conditions. Theoretically, it supports a large number of servos working together.
Hardware Overview
Application
Imitation learning and Reinforcement learning
The LeRobot framework is compatible with the SO-ARM10x robotic arm. It provides complete data collection, training, and deployment for teaching the robotic arm, and also has a comprehensive simulation platform. On the Nvidia Jetson edge device, it's easy and quick to train a customized robotic arm to complete grasping and placing tasks. For detailed tutorials, please refer to: LeRobot - NVIDIA Jetson AI Lab
Documents
Certification
| HSCODE | 8503001000 |
| USHSCODE | 8503003500 |
| UPC | |
| EUHSCODE | 8471707000 |
| COO | CHINA |
Part List
Driver Board | x1 |
Servo Driver Board for LeRobot
The Bus Servo Driver Board supports ST/SC series servos with USB modes. It features a 2P 3.5mm screw terminal and is compatible with the PC (Ubuntu, Windows). Ideal for So-Arm 10x robotic arms and multi-legged robots, it ensures rapid prototyping and precise control.
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