OpenArm 2.0 – An open-source 7-DOF robot arm with QDD joints, bilateral force feedback, in-hand camera 

Tokyo-based Enactic OpenArm 2.0 is an open-source hardware 7-DOF robot arm designed for physical AI research, teleoperation, and contact-rich data collection. It uses quasi-direct-drive (QDD) backdrivable joints to support compliant motion and bilateral force-feedback control. The arm supports 4.1 kg nominal and 6 kg peak payload, features 1 kHz CAN-FD control, and a compact parallel gripper with an in-hand camera and replaceable fingers. It supports bilateral force-feedback teleoperation, gravity compensation, and compliant interaction, with an aluminum and stainless-steel structure and…

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