qmk_firmware/keyboards/duck/eagle_viper/v2/readme.md
2021-07-31 13:12:49 -07:00

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# Duck Eagle/Viper V2
Non-official firmware for custom Korean keyboard with 60% key layout made by Duck. Group buy was run November 2016 via [geekhack](https://geekhack.org/index.php?topic=86087.0) with 100 keyboards total. Newest version is the [Eagle/Viper V2](http://duck0113.tistory.com/127).
* Keyboard Maintainer: [MechMerlin](https://github.com/mechmerlin)
* Hardware Supported: Duck Eagle/Viper PCB Ver 2.0, Atmega32u4
* Hardware Availability: Wait until GB of the next revision
Make example for this keyboard (after setting up your build environment):
make duck/eagle_viper/v2:default
**Reset Key:** To put the Eagle/Viper V2 into reset, hold caps lock key (`K2A`) while plugging in.
See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
## Hardware Notes
The Duck Eagle/Viper V2 PCB consists of:
### Microchips
2 74HC237D 3-to-8 line decoders
1 Atmega32u4 microcontroller
2 WS2811 LED controller
## Notes
Thanks to Ralf Schmitt for previous implementations in his [TMK fork](https://github.com/xauser/tmk_keyboard/tree/xauser/) and few helping words.
Based heavily on Rasmus Schults [Duck Lightsaver QMK Port](https://github.com/qmk/qmk_firmware/tree/master/keyboards/lightsaver)
Special thanks to profanum429 for debugging help and contributions to support the Viper and LED indicators.