3x3 Macro Pad GUI Configurator

An online GUI tool to easily generate KMK Firmware code for your 3x3 macro keypad (RP2040-based).
This site provides a simple graphical web interface for you to configure your keypad without manually editing Python code.

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📸 Preview

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🔗 Live Demo

👉 Try it here

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🖥️ How It Works

1. Open the online configurator.
2. Click on any of the 9 keys in the 3x3 grid.
3. Select the action you want:
   • Simple keys (KC.A, KC.B, etc.)
   • Macros (Ctrl+C, Ctrl+V, etc.)
   • Custom text output
4. Your KMK Python configuration is automatically generated when you click "Generate Code".
5. Copy the generated code and save it as 'code.py' on your RP2040 running KMK.

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⚡ Features

• No install required — runs directly in your browser
• Generates ready-to-flash KMK code
• Supports modifiers, macros, and text typing

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ℹ️ Notes

• This was written to support a board I made with the following pinout.

# Pin configuration
keyboard.col_pins = (board.GP3, board.GP4, board.GP5,)
keyboard.row_pins = (board.GP8, board.GP7, board.GP6,)
keyboard.diode_orientation = DiodeOrientation.ROW2COL

• Feel free to modify based on your own board's pinout.

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📜 License

MIT License – feel free to use, modify, and share with attribution.