
GEM
About
GEM (Good Enough Manipulator) is a low-cost, open-source 7-DOF humanoid robotic arm intended for hobbyists and robotics researchers. It features a fully 3D-printed structure, up to 1.2 kg payload, integrated head and wrist cameras, and supports AI-based robot learning through the LeRobot ecosystem.
Specs
7 DOF; up to 1.2 kg payload; fully 3D-printed construction; approximately 60 cm reach; hybrid actuator design (1 SteadyWin GIM6010 QDD + Feetech STS servos); wrist and head cameras; LeRobot support; teleoperation via leader arm, VR joystick or smartphone; compatible with PincOpen gripper; build cost ≈ US$476.
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