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