2016-10-07 17:18:49 +02:00
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# My take on a splitted keyboard
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2017-06-22 22:19:50 +02:00
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default layout :
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[default layout](http://i.imgur.com/r2Nvr4p.png)
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the thing when finished :
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http://imgur.com/a/6FY8v
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concept and mockup:
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http://imgur.com/a/R0vvs
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2016-10-07 17:18:49 +02:00
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to build :
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docker run --rm -e keymap=default -e subproject=v1 -e keyboard=frenchdev --rm -v D:/Repositories/qmk:/qmk:rw edasque/qmk_firmware
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The PHYSICAL rows and columns are connected as such :
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on right hand (slave) :
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I2C mcp23018
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.------- --------.
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GND -| 1 VSS \_/ NC 28 |
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| 2 NC A7 27 |- C15
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R5 -| 3 B0 A6 26 |- C14
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R4 -| 4 B1 A5 25 |- C13
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R3 -| 5 B2 A4 24 |- C12
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R2 -| 6 B3 A3 23 |- C11
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R1 -| 7 B4 A2 22 |- C10
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R0 -| 8 B5 A1 21 |- C9
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| 9 B6 A0 20 |- C8
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| 10 B7 INTA 19 |
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VCC -| 11 VDD INTB 18 |
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SCL -| 12 SCL NC 17 |
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SDA -| 13 SDA RST 16 |- VCC
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| 14 NC ADDR 15 |- GND
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`------------------'
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and on left hand (main) :
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TEENSY
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.------------------.
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| GND VCC |
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C7 -| B0 F0 |- R5
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C6 -| B1 F1 |- R4
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C5 -| B2 F4 |- R3
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C4 -| B3 F5 |- R2
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LEDC -| B7 F6 |- R1
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SCL -| D0 F7 |- R0
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SDA -| D1 B6 |- LEDB
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C3 -| D2 B5 |- LEDA
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C2 -| D3 B4 |
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C1 -| C6 D7 |
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C0 -| C7 D6 |- GND
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| D5 D4 |
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| VCC RST |
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| E6 GND |
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`------------------'
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we use pull up resistor for SCL et VDA, see https://github.com/ErgoDox-EZ/docs/blob/master/ErgoDox%20EZ%20Schematic.pdf for example
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the connector is a standard TRRS (jack with audio + mic)
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