56 lines
2.5 KiB
Markdown
56 lines
2.5 KiB
Markdown
# CMDR keyboard 42
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Keyboard based on standard teensy "Keypad" library for button scanning, standard teensy
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"usb_keyboard" library for HID keyboard usb data communication.
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## Layout
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```cpp
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Layer 0
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--------------------------------------- ---------------------------------------
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| Tab | Q | W | E | R | T | | Y | U | I | O | P | Å |
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| LCtrl | A | S | D | F | G | | H | J | K | L | Ö | Ä |
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| Shift | Z | X | C | V | B | | N | M | , | . | - | Shift |
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--------------------| Alt | Fn | Spc | | Spc | Fn | |--------------------
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------------------- -------------------
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Layer 1 (Fn)
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--------------------------------------- ---------------------------------------
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| Esc | F1 | F2 | F3 | F4 | F5 | | F6 | F7 | F8 | F9 | F10 | BSpc |
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| LCtrl | 1 | 2 | 3 | 4 | 5 | | 6 | 7 | 8 | 9 | 0 | Enter |
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| Shift | 6 | 7 | 8 | 9 | 0 | | < | ´ | ' | ¨ | + | Shift |
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--------------------| Alt | Fn | BSpc| | BSpc| Fn |AlrGr|--------------------
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------------------- -------------------
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Layer 2 (Fn + Fn)
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--------------------------------------- ---------------------------------------
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| F11 | F12 | F13 | F14 | F15 | F16 | | § |GuiLK| Gui | | CpLk| BSpc |
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| LCtrl | Play| Next| F17 | F18 | F19 | | Left| Down| Up |Right| Del | Enter |
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| Shift | F20 | F21 | F22 | F23 | F24 | | Home| PgD | PgU | End | Ins | Shift |
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--------------------| Alt | Fn | Gui | | BSpc| Fn | |--------------------
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------------------- -------------------
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```
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## Features
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- 42 keys "Split" keyboard layout. 36 finger buttons and 6 thumb buttons.
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- Extreme low profile (only one pcb).
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- Cost efficient solution with one pcb and one 3D printed cover.
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- Function keys with total of three layer support (Primary + 2fn layers).
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- Status indication -
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- LED off = Normal mode
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- LED flashing = Caps Lock activated
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- LED on = Gui key lock activated
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## Hardware
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[Schematics](build/cmdr_mainboard_v1.pdf)
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- 1x TeensyLC MCU
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- 36x Cherry MX compatible switches
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- 6x Kailh Choc low profile switches
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- 42x 1N4148 diodes
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- 1x PCB [Gerber files](build/cmdr_mainboard_gerber_v1.zip)
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- 1x MCU cover (optional) [STL file](build/cmdr_keyboard-Cover.stl)
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- 1x 6x3 Cherry MX mounting jig (optional) [STL file](build/cmdr_mounting_jig-MountingJig.stl)
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