Keyboard mapping CardPuter Card Computer

All keycode sorted (by column 2)

K.APPLICATION
K.Z
K.C
K.B
K.M
K.DOWN_ARROW
K.SPACEBAR
K.CAPS_LOCK
K.S
K.F
K.H
K.K
K.UP_ARROW
K.RETURN
K.Q
K.E
K.T
K.U
K.O
K.LEFT_BRACKET
K.BACKSLASH
K.ONE
K.THREE
K.FIVE
K.SEVEN
K.NINE
K.MINUS
K.BACKSPACE
K.LEFT_CONTROL
K.LEFT_ALT
K.X
K.V
K.N
K.LEFT_ARROW
K.RIGHT_ARROW
None
K.A
K.D
K.G
K.J
K.L
K.QUOTE
K.TAB
K.W
K.R
K.Y
K.I
K.P
K.RIGHT_BRACKET
K.ESCAPE
K.TWO
K.FOUR
K.SIX
K.EIGHT
K.ZERO
K.EQUALS

code.py

# Test code for keycodes of cardputer = card computer
# 
# Merge between:
# * Code for https://learn.adafruit.com/ibm-pc-keyboard-to-usb-hid-with-circuitpython/coding-the-keyboard
#   IBM Keyboard to USB Adapter (MIT) Copyright 2022 Jeff Epler for Adafruit Industries
# * Demo code for DemuxKeyMatrix part of keypad (should move to own module) by CDario (@EDario)
# * Self created keycodes 
import array
import board
import usb_hid
from adafruit_hid.keyboard import Keyboard
from adafruit_hid.keycode import Keycode as K

import board
import keypad

kbd = Keyboard(usb_hid.devices)

km = keypad.DemuxKeyMatrix(
    row_addr_pins = (board.KB_A_0, board.KB_A_1, board.KB_A_2),
    column_pins = (board.KB_COL_0, board.KB_COL_1, board.KB_COL_2, board.KB_COL_3, board.KB_COL_4, board.KB_COL_5, board.KB_COL_6)
)

# fmt: off
cardputer_keycodes = [
    K.APPLICATION,
    K.Z,
    K.C,
    K.B,
    K.M,
    K.DOWN_ARROW,
    K.SPACEBAR,
    K.CAPS_LOCK,
    K.S,
    K.F,
    K.H,
    K.K,
    K.UP_ARROW,
    K.RETURN,
    K.Q,
    K.E,
    K.T,
    K.U,
    K.O,
    K.LEFT_BRACKET,
    K.BACKSLASH,
    K.ONE,
    K.THREE,
    K.FIVE,
    K.SEVEN,
    K.NINE,
    K.MINUS,
    K.BACKSPACE,
    K.LEFT_CONTROL,
    K.LEFT_ALT,
    K.X,
    K.V,
    K.N,
    K.LEFT_ARROW,
    K.RIGHT_ARROW,
    None,
    K.A,
    K.D,
    K.G,
    K.J,
    K.L,
    K.QUOTE,
    K.TAB,
    K.W,
    K.R,
    K.Y,
    K.I,
    K.P,
    K.RIGHT_BRACKET,
    K.ESCAPE,
    K.TWO,
    K.FOUR,
    K.SIX,
    K.EIGHT,
    K.ZERO,
    K.EQUALS,
]
# fmt: on

event = keypad.Event()

while True:
    if km.events.get_into(event):
        keycode = cardputer_keycodes[event.key_number]
        print(f"{keycode} {'PRESSED' if event.pressed else 'released'}")
        if keycode is None:
            continue
        if event.pressed:
            kbd.press(keycode)
        else:
            kbd.release(keycode)

Table of all the key line by line

Order	KeyID	KeySymbole	Remark
0	49	K.ESCAPE	
1	21	K.ONE	
2	50	K.TWO	
3	22	K.THREE	
4	51	K.FOUR	
5	23	K.FIVE	
6	52	K.SIX	
7	24	K.SEVEN	
8	53	K.EIGHT	
9	25	K.NINE	
10	54	K.ZERO	
11	26	K.MINUS	
12	55	K.EQUALS	
13	27	K.BACKSPACE	
14	42	K.TAB	
15	14	K.Q	
16	43	K.W	
17	15	K.E	
18	44	K.R	
19	16	K.T	
20	45	K.Y	
21	17	K.U	
22	46	K.I	
23	18	K.O	
24	47	K.P	
25	19	K.LEFT_BRACKET	
26	48	K.RIGHT_BRACKET	
27	20	K.BACKSLASH	
28	35	None	fn
29	7	K.CAPS_LOCK	
30	36	K.A	
31	8	K.S	
32	37	K.D	
33	9	K.F	
34	38	K.G	
35	10	K.H	
36	39	K.J	
37	11	K.K	
38	40	K.L	
39	12	K.UP_ARROW	
40	41	K.QUOTE	
41	13	K.RETURN	
42	28	K.LEFT_CONTROL	
43	0	K.APPLICATION	OPT
44	29	K.LEFT_ALT	
45	1	K.Z	
46	30	K.X	
47	2	K.C	
48	31	K.V	
49	3	K.B	
50	32	K.N	
51	4	K.M	
52	33	K.LEFT_ARROW	
53	5	K.DOWN_ARROW	
54	34	K.RIGHT_ARROW	
55	6	K.SPACEBAR