The open-source Berkeley Humanoid Lite uses 3D-printed modular actuators and cycloidal gearboxes to create a more accessible and customisable humanoid robot platform.
Humanoid robots, including smaller-scale designs, can be expensive to develop and build. The Berkeley Humanoid Lite takes a lower-cost approach by using 3D-printed actuators that form a significant part of the robot’s structure. The project is designed as an open-source and customisable humanoid robot reference platform.
At the centre of the design are modular actuators that combine motors, 3D-printed cycloidal gearboxes and embedded magnetic encoders. The modular approach means that the actuators can potentially be used independently in other robotics projects, without requiring developers to reproduce the complete humanoid robot.
Rather than being presented as a finished commercial product, Berkeley Humanoid Lite is intended to serve as an accessible platform for experimentation and modification. The project’s GitHub repository contains the resources needed to build and customise the robot, while demonstrations include VR-driven teleoperation.
The complete hardware system costs under $5,000, making it considerably less expensive than many other humanoid robots, although it still represents a substantial investment for hobbyists and researchers. The use of DIY actuators and 3D-printed components is central to reducing the overall cost of the platform.
By making the robot design and its modular actuator technology openly available, Berkeley Humanoid Lite provides developers with a platform for experimenting with humanoid robotics. Its design also demonstrates how open-source hardware and DIY manufacturing techniques can help make complex robotic systems more accessible for research and development.
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