MoonCat - Illumination Cat for Klipper
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This is a modified version of the Illumination Cat for Klipper to show the current print state with a Neopixel + a OLED
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Updated at source:
Model information
- Source
- Printables
- Category
- Other Printer Parts & Upgrades
- License
- Creative Commons — Attribution — Noncommercial — Share Alike
A modified version of the wonderful Illumination Cat by Agent Cain, turned into a physical print-status indicator for Klipper / Moonraker 3D printers.
The original Illumination Cat just glows. MoonCat adds a small OLED display and a WS2812B NeoPixel driven by a Wemos D1 mini (ESP8266). It connects to your printer through Moonraker over WebSocket and shows the live print status with colors and animations in the cat's head and the print progress on the screen.
Status -> light mapping
Printing -> white (solid)
Paused -> yellow (pulsing)
Complete -> green (solid)
Error / cancelled -> red (pulsing)
Standby -> purple (pulsing)
Offline / Klipper not ready -> off
Electronics
MCU: Wemos D1 mini (ESP8266)
LED: WS2812B NeoPixel (single pixel in the head)
Display: 1.3″ OLED (SH1106) or 0.96″ OLED (SSD1306)
Firmware
The open-source firmware (PlatformIO / Arduino), wiring diagram, pre-built binaries and full setup guide are on GitHub: github.com/meteyou/MoonCat
WiFi and Moonraker host/port are configured via a captive-portal web UI on first boot. No hardcoding required. Firmware can be flashed over USB.