> For the complete documentation index, see [llms.txt](https://rgbkb.gitbook.io/rgbkb-build-guides/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://rgbkb.gitbook.io/rgbkb-build-guides/mun-2/flashing.md).

# Overview

### [Mün 2 is fully open source! ](https://github.com/RGBKB/Keyboard-files/tree/main/Mun2)

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Updated 4/27/2024
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Mün 2 can be mapped with VIAL: <https://get.vial.today/>
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<figure><img src="https://lh3.googleusercontent.com/M73FVgnt6eWoDF0OWLz_9BqX_jcfQX06qb9pFMwJcHwpyw6lct8cH-5gEoJjvaGBvlrgv4wtqoYnV-P180hvtsf4sdjDSvNJKUd2DXeNPU5oI1sfMmZBqdo-KFQlvU4FrB9d-ns61_fLNkU0JjzpZ8w" alt=""><figcaption></figcaption></figure>

1. Connect the indicated USB port to the computer for one of the PCBs
2. A usb drive “RPI-RP2” window should open automatically
   1. If not, hold the BOOT button and tap the RESET button
3. Drag and drop (or copy & paste) the .uf2 file into the drive
4. The PCB should automatically reset
5. Check for LED functionality
6. Repeat for the other PCB