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68 lines
3.5 KiB
Markdown
68 lines
3.5 KiB
Markdown
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# Rotary Numpad
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This is a personal project of mine where I wanted a number pad that I can put on the left side of keyboard that doesn't have a numberpad. I fell in love with the feel of rotary encoders on my 3d printer, so added three to be able to play around with.
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* Keyboard Maintainer: [rabijl](https://github.com/rabijl)
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* Hardware Supported: Sparkfun Pro Micro 5V (atmega32u4)
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* Hardware Availability: https://www.sparkfun.com/products/12640
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## How to build from scratch
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I handsoldered gateron blue switches to a 3D printed case. The design is modified from the [Ultipad](https://www.thingiverse.com/thing:4248565). \
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I used a sparkfun Pro Micro as my microcontroller and the pinout can be found in the `info.json`. I found this [site](https://golem.hu/article/pro-micro-pinout/) \
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to be very useful to identify different pins. You can find useful information on rotary encoders from the qmk docs [here](https://docs.qmk.fm/#/reference_info_json?id=encoders) and [here](https://docs.qmk.fm/#/feature_encoders).
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### matrix
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Due to the three rotary encoders, I had to use most of the available pins. Fortunately, all the buttons still fit in a 6x4 matrix. Looking at the diagram below, the three buttons in the first column correspond to each encoder button.
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```
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┌──┐┌──┐┌──┐┌──┐
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│0A││0B││0C││0D│
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┌──┐ └──┘└──┘└──┘└──┘
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│5A│
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└──┘ ┌──┐┌──┐┌──┐┌──┐
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│1A││1B││1C││1D│
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└──┘└──┘└──┘└──┘
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┌──┐┌──┐┌──┐┌──┐
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│2A││2B││2C││2D│
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┌──┐ └──┘└──┘└──┘│ │
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│3D│ ┌──┐┌──┐┌──┐│ │
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└──┘ │3A││3B││3C││ │
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└──┘└──┘└──┘└──┘
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┌──┐┌──┐┌──┐┌──┐
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│4A││4B││4C││4D│
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└──┘└──┘└──┘│ │
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┌──┐ ┌──────┐┌──┐│ │
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│5D│ │5B ││5C││ │
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└──┘ └──────┘└──┘└──┘
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```
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## Flashing
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Make example for this keyboard (after setting up your build environment):
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qmk compile -kb handwired/rabijl/rotary_numpad -km default
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Flashing example for this keyboard:
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qmk flash -kb handwired/rabijl/rotary_numpad -km default
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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).
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## Bootloader
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Enter the bootloader in 3 ways:
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* **Short reset leads**: tap the reset lead to ground twice quickly after qmk is in flash mode
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* **Keycode in layout**: double tap the key mapped to `QK_BOOT`. On the default keymap this can be found by holding in key (0,C) and tapping key (0,A), see the matrix section for the positions of these keys.
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* **Bootmagic reset**: Hold down the key at (0,A) in the matrix (see matrix section) and plug in the keyboard
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**Note:** if the keyboard doesn't show up after putting the keyboard in reset mode, check that
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your user is added to the `tty` and/or `uucp` groups. \
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You may need to logout after adding these groups to your user, for the changes to take affect.
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