HardLabs

Type k interface-02

smrq·type-k-interface-02·pcb/Unit_02.kicad_pcb

Type k interface-02 PCB layout, top view — open source board by smrq

About the Type k interface-02 PCB

Type k interface-02 is an open source PCB design by smrq, published on GitHub. It is a 2-layer board measuring 438.2 × 152.4 mm, with 393 components from 137 distinct parts.

Other key parts include the Elite-C-V4 and 74HC154. By type, the board carries 256 diodes, 129 switches, 3 resistors, 2 ICs, 2 connectors and 1 capacitor.

It belongs with the keyboards and displays & leds designs in this gallery.

From the project

120% keyboard design

The design for the PCB was done in KiCad. The PCB is designed according to the specifications of manufacturing with JLCPCB.

D1-128 MiniMELF Diode (LL4148 L1G) D129-256 WS2812B-Mini RGB LED J1 2x3-pin 2.54mm header (optional) J2 0.91" OLED Display (e.g. Amazon link) R1-3 4K7Ω 0805 resistor SW1-128 Cherry MX RGB switch (either plate or PCB mount) SW16 Alps EC11E rotary encoder SW129 MJTP1117 equivalent reset switch U1 Elite-C v4 U2 74HC154 4-to-16 demultiplexer

Type k interface-02, from the project README
From the project README

Main components on the Type k interface-02

Elite-C-V474HC154

Type k interface-02 bill of materials (BOM)

393 components, 137 distinct parts.

QtyPartRefs
1
Elite-C-V4
U1
1
74HC154
U2
1
AVR-ISP-6
J1
1
SSD1306
J2
1
X1
SW1
1
F14
SW2
1
F15
SW3
1
F16
SW4
1
F18
SW5
1
F19
SW6
1
F20
SW7
1
F22
SW8
1
F23
SW9
1
F24
SW10
1
X2
SW11
1
X3
SW12
1
X4
SW13
1
X5
SW14
1
X6
SW15
1
X7
SW16
Show 117 more
QtyPartRefs
1
ESC
SW17
1
F13
SW18
1
F3
SW19
1
F4
SW20
1
F17
SW21
1
F7
SW22
1
F8
SW23
1
F21
SW24
1
F11
SW25
1
F12
SW26
1
Y1
SW27
1
PRSC
SW28
1
SCRLK
SW29
1
PAUSE
SW30
1
Y2
SW31
1
Y3
SW32
1
`~
SW33
1
F1
SW34
1
F2
SW35
1
4
SW36
1
F5
SW37
1
F6
SW38
1
8
SW39
1
F9
SW40
1
F10
SW41
1
-_
SW42
1
=+
SW43
1
BKSP
SW44
1
HOME
SW45
1
PGUP
SW46
1
KP/
SW47
1
KP*
SW48
1
TAB
SW49
1
1
SW50
1
2
SW51
1
3
SW52
1
5
SW53
1
6
SW54
1
7
SW55
1
9
SW56
1
0
SW57
1
[{
SW58
1
]}
SW59
1
INS
SW60
1
END
SW61
1
NUMLK
SW62
1
KP9
SW63
1
KP-
SW64
1
CAPSLK
SW65
1
Q
SW66
1
W
SW67
1
E
SW68
1
T
SW69
1
Y
SW70
1
U
SW71
1
I
SW72
1
P
SW73
1
'"
SW74
1
\|
SW75
1
DEL
SW76
1
PGDN
SW77
1
KP7
SW78
1
KP8
SW79
1
KP+
SW80
1
LSHIFT
SW81
1
A
SW82
1
S
SW83
1
R
SW84
1
G
SW85
1
H
SW86
1
J
SW87
1
O
SW88
1
;:
SW89
1
/?
SW90
1
ENTER
SW91
1
UP
SW92
1
UPRIGHT
SW93
1
KP4
SW94
1
KP5
SW95
1
KP6
SW96
1
LMOD1
SW97
1
Z
SW98
1
D
SW99
1
F
SW100
1
V
SW101
1
B
SW102
1
K
SW103
1
L
SW104
1
.>
SW105
1
RMOD2
SW106
1
RSHIFT
SW107
1
UPLEFT
SW108
1
RIGHT
SW109
1
KP1
SW110
1
KP2
SW111
1
KP3
SW112
1
LMOD2
SW113
1
LMOD3
SW114
1
X
SW115
1
C
SW116
1
SPACE
SW117
1
N
SW118
1
M
SW119
1
,<
SW120
1
RMOD1
SW121
1
RMOD3
SW122
1
RMOD4
SW123
1
LEFT
SW124
1
DOWN
SW125
1
KP0
SW126
1
KPDEL
SW127
1
KPENTER
SW128
1
RESET
SW129
128
D_Small_Filled
D1, D2, D3, D4, D5, D6, D7, D8 +120
128
WS2812B-Mini
D129, D130, D131, D132, D133, D134, D135, D136 +120
1
0.1uF
C1
3
4K7
R1, R2, R3

Type k interface-02 design files

The KiCad project lives in the smrq/type-k-interface-02 repository on GitHub; these links point at the commit this page was built from.

Type k interface-02: common questions

How big is the Type k interface-02 PCB?

The Type k interface-02 measures 438.2 × 152.4 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Type k interface-02?

393 components, from 137 distinct parts. The full bill of materials is listed on this page.

Where can I download the Type k interface-02 design files?

From the smrq/type-k-interface-02 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Type k interface-02 design in my own project?

The repository has no license, so all rights stay with smrq. Use it as a reference, and ask the author before reusing the design.

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