UniversalPi-GCode-Sender OS for raspberry pi 2,3,4 and 5

UniversalPi-GCode-Sender OS

• Plug-and-Play: Flash image → boots directly into G-code sender UI
• Multi-Firmware Support: GRBL, FluidNC, TinyG, g2core, Smoothieware
• No Setup Needed: Preconfigured serial/USB-OTG, auto-detects your controller
• Optimized UI: Touchscreen-friendly web/Kivy interface
• Lightweight: Based on Raspberry Pi OS Lite for minimal overhead
• Secure: Read-only rootfs option; optional license-key lock on first boot
• Includes:
  • Flashable .img.gz file
  • Quickstart PDF (flashing guide + wiring diagram)
  • Sample G-code files for testing
• Requirements:
  • Raspberry Pi 2/3/4/5 or Zero 2 W
  • USB-OTG cable (for Zero models)
  • CNC controller board (GRBL/FluidNC/TinyG/g2core/Smoothieware)

How to Use

1. Flash with Balena Etcher or Raspberry Pi Imager
2. Insert SD card & power on
3. Connect CNC via USB; UI appears on HDMI/touch display
4. Load/send G-code—start milling!