Open-Source Robotic Arm B601-RS Released
kamathsblog · x · 2026-07-15
Seeed Studio announced that the reBotArm B601-RS robotic arm is now officially open-source.
Key highlights of the project include:
- MotorBridge platform: Supports multi-brand motor control and debugging with a drag-and-drop GUI
- Specs: 0.1mm repeat positioning accuracy, 2.5kg rated payload (up to 5kg max)
- Full-stack open source: STEP files, BOM, assembly videos, Python SDK, ROS2, NVIDIA Isaac Sim, Hugging Face LeRobot, and even the 48V power supply design
- License: CERN-OHL-W 2.0, permitting commercial use
The post emphasizes that this arm is perfect for experiments in manipulation, reinforcement learning, and world models, serving as a high-performance starting point.
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