link101
The universal I/O board for robots.
What it does
link101 connects any robot's actuators and sensors to any USB-C-powered host. CAN, RS-485, UART, I2C, Feetech, ODrive, Modbus, Dynamixel, you name it. It integrates seamlessly with ROS. Run it as a "hub" where every bus shows up as a native port on your host machine, or flash it to run motion code directly on the microcontroller. One board, either way you build.
An open source multi-protocol bridge for ROS 2 robots
link101 is an open source circuit board that brings every actuator and sensor protocol onto one USB Type-C cable as standard Linux devices, no drivers to write. It lets you prototype with a general-purpose carrier, then design a purpose-built carrier matched to your production robot. If you build robots with ROS 2, you already know the setup: a Pi or Jetson running your control stack. But how do you control the motors? You might have to rely on one USB-UART adapter per protocol. Device names that shuffle after reboot. A different driver situation for every actuator brand. link101 replaces that entire layer. Plug it into any Linux SBC via USB Type-C, and you’re granted simultaneous…from crowdsupply.com
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