ECmacro

A compact USB macro pad using low‑profile Kailh Choc V2 mechanical switches.

Model	Key Count	Typical Use
MCmacro 04	4 keys	Copy / Paste / Undo / Redo

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🖼️ Gallery

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📦 Features

• Low‑profile Kailh Choc V2 mechanical switches
• Ultra‑slim 4‑key layout（Choc spacing）
• USB HID device with CH552 microcontroller
• Open-source hardware and firmware USB VID/PID assigned via pid.codes (requested: VID 0x1209 / PID 0xEC00, status: pending).

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🖥️ Supported OS

• Windows 10/11
• macOS (10.14+)
• Linux (kernel with HID support)

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🔍 Hardware Resources

• Kicad ZIP

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🧩 Firmware

• Firmware (.ino)
  • This project uses CH55xduino.
    See the firmware directory for source code and pin assignment.

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📄 License

This project uses dual licenses:

• Firmware and source code: MIT License
• Schematics, PCB layout, and documents: CC BY 4.0

© 2025 QuadState

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🆔 USB PID Registration

This project is in the process of registering a USB Product ID (PID) via pid.codes.
The tentative assignment is:

• Vendor ID: 0x1209 (pid.codes community VID)
• Product ID: 0xEC00 (tentative)
• PID.codes listing: Pending approval

Once approved, the device will identify as:

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💬 Contact & Feedback

Please use GitHub Issues for questions, bugs, or feedback.
We welcome contributions, suggestions, and improvements!

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