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Open-Source Leg Electronics

RPi breakout, signal conditioning, sensing, and control-ready electronics that complement the Open-Source Leg hardware and software stacks.

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The electronics component of the Open-Source Leg ecosystem provides plug-and-play functionality to fully leverage the project. Our flagship embedded system is an interface board that breaks out the functionality of the Raspberry Pi Compute Module 5 in a convenient, compact, low-cost form factor. The RPi CM is smaller and lower cost than the full-size Raspberry Pi, but requires an interface circuit board to enable electrical connections. Our RPi CM interface board snaps onto the RPi Compute Module and provides separate connections for IMU sensing, power management, data storage, CAN, and more. When used with Robot-CI, the OSL Python SDK, and the OSL hardware, researchers can spend their time where it is needed—doing the research.

Available boards

Start with the DAQ board today. More boards will appear here as they roll out.

Data Acquisition

A Data Acquisition System (DAQ) to collect multi-axis load cell data for the Open Source Leg, a robotic prosthetic hardware and software platform.




Open-Source Leg DAQ board

RPi CM5 Interface

The Interface Board is a carrier board for the Raspberry Pi Compute Module 5 (RPi CM5) that provides power input, safety, and standardized I/O connectors for fast, consistent integration across the Open-Source Leg stack.

Interface board front view

Future electronics

Expansion boards for specific sensing, actuators, and more applications

  • Planned docs for drivers, power, and expansion boards
  • Over time, new boards and functionality will be released, driven by the OSL community