Build your own imitation learning robotic arm with the SO-ARM100! Designed for LeRobot and Hugging Face projects, these kits include servo motors, adapter board, and cables. Open-source, low-cost, and DIY-friendly—perfect for robotics enthusiasts and developers. Start prototyping today with our comprehensive resources!
Feature
- Open-source and low-cost : It is an open-source, low-cost robotic arm solution from TheRobotStudio .
- Integration with LeRobot : Designed for integration with LeRobot platform which offers PyTorch models, datasets and tools for reinforcement learning and imitation learning for real-world robotics applications (including data collection, simulation, training and deployment).
- Abundant learning resources : Provides comprehensive open-source learning resources like assembly and calibration guides, and tutorials for testing, data collection, training and deployment to assist users in quickly getting started and developing robotic applications.
- Compatible with Nvidia : Deploy this arm kit with reComputer J4012 Orin NX 16 GB.
Note: We suggest adding 3D Printed Skeleton together with your order. We have fine-tuned the 3D printed parts for easier installation
Specification
| SO-ARM100 Low-Cost AI Arm Kit（Leader and Follower） | ||
| Type | Arm Kit | Arm Kit Pro |
| Degree of freedom | 6 | |
| Max Torque | 19.5kg.cm@7.4V | 30kg.cm@12V |
| Servo | STS3215 Bus Servo | |
| Power Supply | 5.5mm*2.1mm DC 5V4A | 5.5mm*2.1mm DC 12V1A |
| Angle sensor | 12-bit magnetic encoder | |
| Recommended Operating Temperature Range | 0℃～40℃ | |
| Communication Method | UART | |
| Control Method | PC | |
Application
Imitation learning and Reinforcement learning
The LeRobot framework is compatible with the SO-ARM100 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
Part List
Purchased after March 2025
| STS3215 Servo Motor(with screws) | x12 |
| x2 | |
| Stud | x8 |
| Screw | x8 |
| Power Supply Cable (Multiple head) | x2 |
| USB-C Cable | x2 |
| DC Power Pigtail Cable | x2 |
Purchased before March 2025
| STS3215 Servo Motor(with screws) | x12 |
| Bus Servo Adapter | x2 |
| Power Supply Cable (One head) | x2 |
| USB-C Cable | x2 |
Note:
This servo motor kit does not include 3D printed parts. Purchase a finetuned 3D printed parts from us or print your own or visit the Github for original files.