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Keyboard

Bread80·Datapoint2200·Keyboard/Keyboard.kicad_pcb

Keyboard PCB layout, top view — open source board by Bread80
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About the Keyboard PCB

Keyboard is an open source PCB design by Bread80, published on GitHub. It is a 2-layer board measuring 410.2 × 167 mm, with 276 components from 90 distinct parts.

By type, the board carries 117 resistors, 71 switches, 71 capacitors and 4 diodes.

It belongs with the retro computing and keyboards designs in this gallery.

From the project

Datapoint 2200 Schematics and Documents

This is my project to transcribe the schematics for a Datapoint 2200 serial processor machine, reverse engineer them, and recreate the original hardware with added blinkenlights.

The repository contains schematics, PCB layout files, documents and software relevant to the 2200.

The schematics are in Kicad 5 format (at least until I make my peace with the UI in newer versions). To open them you may need to import the symbol library in Datapoint2200.lib and the Datapoint2200.pretty folder.

Keyboard, from the project README
From the project README

Keyboard bill of materials (BOM)

276 components, 90 distinct parts.

QtyPartRefs
1
1N914
CR1
1
STOP
DS1
1
RUN
DS2
1
KEYBOARD
DS3
1
DISPLAY
DS4
1
! 1
S1
1
" 2
S2
1
# 3
S3
1
$ 4
S4
1
% 5
S5
1
& 6
S6
1
/ 7
S7
1
( 8
S8
1
) 9
S9
1
SP 0
S10
1
= -
S11
1
DEL
S12
1
{ [
S13
1
BSP
S14
1
7
S15
Show 70 more
QtyPartRefs
1
8
S16
1
9
S17
1
RESTART
S18
1
CAN
S19
1
Q
S20
1
W
S21
1
E
S22
1
R
S23
1
T
S24
1
Y
S25
1
U
S26
1
I
S27
1
O
S28
1
P
S29
1
@ '
S30
1
| \
S31
1
~~ ^
S32
1
4
S33
1
5
S34
1
6
S35
1
STOP
S36
1
SHIFT LOCK
S37
1
A
S38
1
S
S39
1
D
S40
1
F
S41
1
G
S42
1
H
S43
1
J
S44
1
K
S45
1
L
S46
1
+ ;
S47
1
* :
S48
1
} ]
S49
1
ENT
S50
1
1
S51
1
2
S52
1
3
S53
1
RUN
S54
2
SHIFT
S55, S66
1
Z
S56
1
X
S57
1
C
S58
1
V
S59
1
B
S60
1
N
S61
1
M
S62
1
< ,
S63
1
> .
S64
1
? /
S65
1
0
S67
1
NUM .
S68
1
KEYBOARD
S69
1
SPC
S70
1
DISPLAY
S71
1
SPACE
ST1
1
ENTER
ST2
1
NUMZERO
ST3
3
74150
Z1, Z2, Z3
2
75451P
Z4, Z5
4
LED
D901, D902, D903, D904
54
.1uF 10V
C1, C3, C4, C5, C6, C7, C8, C9 +46
1
22uF 15V
C2
3
.001 200V
C50, C51, C52
7
.1 10V
C59, C62, C64, C65, C67, C68, C71
6
47uF 6V
C60, C61, C63, C66, C69, C70
54
1k
R1, R2, R3, R4, R5, R6, R7, R8 +46
58
4k7
R49, R50, R51, R52, R53, R54, R55, R56 +50
1
2K2
R113
4
470
R901, R902, R903, R904

Keyboard design files

The KiCad project lives in the Bread80/Datapoint2200 repository on GitHub; these links point at the commit this page was built from.

Keyboard: common questions

How big is the Keyboard PCB?

The Keyboard measures 410.2 × 167 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Keyboard?

276 components, from 90 distinct parts. The full bill of materials is listed on this page.

Where can I download the Keyboard design files?

From the Bread80/Datapoint2200 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Keyboard design in my own project?

The repository has no license, so all rights stay with Bread80. Use it as a reference, and ask the author before reusing the design.

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