Star Arm · 102-FL | Follower

Power Supply Notice

Due to regional differences, the power adapter is not included. If local customs restrict power supplies, please purchase a compatible adapter locally or order one from our store.

Overview

6+1 DoF Follower Robot Arm for Task Execution

The Star Arm 102-FL is the Follower arm and physical execution platform in the Star Arm 102 system. It receives commands from a compatible Leader arm or control software to perform grasping, handling, sorting, and trajectory execution.

300g Payload with High-Torque Robot Servos

High-torque RA8 and brushless RX8 series servos provide stable joint movement under load. With a 300g working payload, the arm can manipulate small components, laboratory materials, and everyday objects during teleoperation and automated experiments.

Pieper-Compliant Design for Inverse Kinematics

The six active joints follow the Pieper configuration, with the three wrist axes intersecting at one point. This structure supports closed-form inverse kinematics for robot kinematics education, motion planning, and control algorithm validation.

ROS 2, MoveIt 2 and Gazebo Support

Star Arm 102-FL natively supports ROS 2 Humble, URDF, MoveIt 2, and Gazebo. Developers can test motion planning, collision avoidance, and trajectories in simulation before deploying the same workflow to the physical robot arm.

LeRobot Support for Imitation Learning

With native Hugging Face LeRobot support, the 102-FL serves as the Follower robot in teleoperation and imitation learning workflows, covering human demonstrations, dataset collection, model training, and physical policy deployment.

Interchangeable Rigid and Flexible Grippers

The standardized end-effector interface supports rigid and flexible adaptive grippers. The rigid gripper enables precise handling, while the flexible gripper adapts to fragile, soft, or irregularly shaped objects and cushions contact during grasping.

Media Gallery

https://youtu.be/eS45PFPxLYQ

Development Ecosystem

LeRobot Ecosystem Integration

The Star Arm 102-FL is natively supported as a Follower robot in the Hugging Face LeRobot ecosystem. It supports imitation learning workflows from Leader–Follower demonstrations and dataset collection to model training and physical policy deployment.

ROS 2 Support

Supports ROS 2 Humble, MoveIt 2, and Gazebo for robot control, motion planning, simulation, and physical deployment.

Python SDK

Developer-friendly SDK. Read motion data from a compatible Leader arm to control joints, execute trajectories, and operate the gripper in real time.

Web-Based Control Interface

Browser-based control with quick setup. Supports joint control, status monitoring, one-click zero-point calibration, and PID parameter tuning for hardware testing and configuration.

Applications

Classroom Robotics

Hands-on robotic arm demos for university courses — students learn kinematics, control theory, and motion planning with real hardware.

AI Trajectory Collection

Batch-collect high-quality motion data for imitation learning and reinforcement learning — 12-bit encoders deliver clean, jitter-free trajectories.

Teleoperation Retrofit

Upgrade existing lab robotic arms with a low-cost leader-follower system — no full hardware replacement needed.

Maker & STEM Demos

Interactive robot demos for maker spaces, science fairs, and public outreach — engaging, safe, and easy to set up.

Algorithm Prototyping

Single-operator teleoperation for rapid validation of grasping, path planning, and AI robotics algorithms.

Part List

Specification

CAD Drawings

⛶ Full Screen

Documents

• Datasheet
• Getting started with Star Arm with LeRobot
• Star Arm 102 Github
• STEP
• Star Arm 102 ROS 2

Certification