{
  "id": "alligator/alligator-board-r3",
  "vendor": "Alligator",
  "model": "Alligator Board R3",
  "category": "other",
  "summary": "3D-printer controller board. Klipper ships a pin mapping for it (config/generic-alligator-r3.cfg); its micro-controller runs the Klipper firmware.",
  "status": "open-firmware",
  "projects": [
    {
      "name": "Klipper (generic-alligator-r3.cfg)",
      "url": "https://github.com/Klipper3d/klipper/blob/master/config/generic-alligator-r3.cfg",
      "kind": "firmware",
      "license": "GPL-3.0"
    }
  ],
  "install": [
    {
      "project": "Klipper",
      "method": "usb-bootloader",
      "guide": "https://www.klipper3d.org/Installation.html",
      "difficulty": "medium",
      "tools": [
        "Raspberry Pi or other Linux computer (runs the Klipper host)",
        "USB cable"
      ],
      "brick_risk": "low",
      "reversible": "partial",
      "notes": "Board-specific build and flashing steps are in the header of config/generic-alligator-r3.cfg. Going back needs the vendor's stock firmware file, when the vendor publishes it."
    }
  ],
  "provenance": {
    "sources": [
      "klipper"
    ]
  },
  "updated": "2026-10-17"
}