io-samurai

An open-source, budget-friendly CNC Input Output interface for LinuxCNC, 16 inputs (20–50 V), 8 high-current outputs (50 V, 500 mA Max), and single analog input (0–3.3 V). Supports W5100S-EVB-Pico module. Further support W5500-lite + pico or pico2

Features

• High-Speed Interface: W5100S-evb-pico Ethernet. https://docs.wiznet.io/Product/iEthernet/W5100S/w5100s-evb-pico
• Inputs: 16 channels (MCP23017, I2C), 20–50 V, with 10 kΩ/1.5 kΩ divider and 3.6 V Zener protection.
• Outputs: 8 channels (TD62783 Darlington driver, MCP23008-controlled), 50 V, 500 mA/channel.
• Analog Inputs: 1 channels (GP26), 12-bit, ~10 kΩ potentiometer, 100 nF filtering.
• Display: Optional SH1106 OLED (128x64) for I/O status and IP address (not required for operation).
• Software:
  • LinuxCNC HAL driver, with safety functions (timeout, data checks).
  • Python library for automation/remote I/O.
  • Further Mach3 driver development.
• Hardware Support: W5100S-EVB-Pico.
• Open-Source: All code, PCB production files, and docs under MIT License.

Support

• Notes: If you want to buy ready to go io-samurai send message to me for options.
• Patreon: Join our community at patreon.

License

This project is licensed under the MIT License. See LICENSE. The ioLibrary_Driver in firmware/pico/ioLibrary_Driver.zip is licensed under the MIT License by Wiznet. See firmware/pico/ioLibrary_Driver.zip/LICENSE.txt.