ROBOTIS OpenManipulator-X

Our Verdict: The definitive open-source robot arm for learning ROS manipulation. Unbeatable documentation and community support.

The ROBOTIS OpenManipulator-X is a fully open-source robot arm designed as the standard educational platform for learning robot manipulation with ROS. All CAD files, firmware, and software are freely available, and the complete documentation walks learners through assembly, configuration, and programming step by step.

Built with DYNAMIXEL XM430 servos, the OpenManipulator-X offers smooth, precise movement and position/velocity/current feedback from each joint. It integrates seamlessly with the TurtleBot platform for mobile manipulation experiments and includes comprehensive ROS2 packages for MoveIt, Gazebo simulation, and basic perception.

ROS manipulation education TurtleBot mobile manipulation Introduction to robot arms Basic grasping research

Specifications

Payload 500g
Reach 380 mm
Degrees of Freedom 4 + gripper
Servos DYNAMIXEL XM430-W350
SDK ROS2, MoveIt, Gazebo
Weight 0.7 kg (1.5 lbs)

Pros & Cons

A quick summary of where this model performs well and where it falls short.

Pros

  • Fully open-source hardware and software
  • Best-in-class educational documentation
  • DYNAMIXEL servo quality and feedback
  • TurtleBot integration for mobile manipulation
  • Very affordable for a quality arm

Cons

  • Only 4 DOF limits dexterity
  • 500g payload is very light
  • Requires assembly
  • Not suitable for production use

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