HardLabs

ZAK181

agkaminski·ZAK181·kicad/zak181.kicad_pcb

ZAK181 PCB layout, top view — open source board by agkaminski
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About the ZAK181 PCB

ZAK181 is an open source PCB design by agkaminski, published on GitHub under the CC-BY-NC-4.0 license. It is a 4-layer board measuring 215.3 × 96.8 mm, with 111 components from 55 distinct parts.

Other key parts include the Z8S18033VSG, Z80 PIO A, AY-3-8912, 74HC138 and LM386. By type, the board carries 43 capacitors, 27 resistors, 21 ICs, 6 connectors, 4 transistors and 3 diodes.

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

From the project

Improved ZAK180: DIY all-in-keyboard computer featuring Z180 and floppy drive.

- Z180 CPU, - 1 MB of static RAM, - 16 KB bootloader ROM, - Comact Flash slot in True IDE mode, - 16 bit GPIO user port, - 2 UARTs: USB-C and RS232, - AY-3-8912 sound, - 80x60 8-color text mode VGA output, - custom Cherry-MX mechanical keyboard, - USB-C powered.

Collection of useful datasheets, might be removed in the future.

Subrepository that contains a hardware project of a mechanical keyboard for the computer.

Main components on the ZAK181

Z8S18033VSGZ80 PIO AAY-3-891274HC138LM386NE555PXC95108PC8474HC37774HC24427C6474HC166MAX232CH340N62256AS6C400827C128ZAK181MD (GAL16V8)74HC157ZAK181AY (GAL16V8)

ZAK181 bill of materials (BOM)

111 components, 55 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Z8S18033VSG
Z180
IC1
1
Z80 PIO A
U2
1
AY-3-8912
U3
1
74HC138
U8
1
LM386
U17
1
NE555P
U18
1
XC95108PC84
U20
2
74HC377
U21, U30
1
74HC244
U22
1
27C64
U23
1
74HC166
U24
1
MAX232
U25
1
CH340N
U26
1
62256
U27
2
AS6C4008
U28, U40
1
27C128
U29
1
ZAK181MD (GAL16V8)
U31
1
74HC157
U32
1
ZAK181AY (GAL16V8)
U33
4
BC547
Q2, Q3, Q4, Q5
Show 35 more
QtyPartRefs
1
25.175 MHz
X1
1
12.288 MHz
Y2
1
JTAG
J1
1
Compact Flash
J3
1
Speaker
J4
1
Keyboard
J5
1
USB C
J8
1
Reset
J9
1
Fuse
F1
1
JUMPER_2_BRIDGED
Jumper_2_Bridged
JP1
1
Speaker
LS1
1
1K
RV1
1
Reset
SW1
1
HALT
D1
1
POWER
D2
1
ACTIVITY
D3
29
100N
100n
C4, C5, C6, C7, C8, C9, C10, C11 +21
1
47N
47n
C27
2
150U
150u
C28, C29
5
10U
10u
C30, C49, C50, C51, C58
1
10N
10n
C33
2
22P
22p
C38, C39
2
470U
470u
C54, C55
1
100P
100p
C73
3
390R
R6, R11, R14
6
3K3
R7, R8, R9, R10, R12, R13
3
100R
R15, R16, R20
4
1K
R19, R33, R38, R39
3
2K2
R26, R27, R28
1
10R
R29
2
10K
R30, R32
1
220K
R31
2
5K6
R34, R35
1
47K
RN2
1
1K
RN3

ZAK181 design files

The KiCad project lives in the agkaminski/ZAK181 repository on GitHub; these links point at the commit this page was built from.

ZAK181: common questions

How big is the ZAK181 PCB?

The ZAK181 measures 215.3 × 96.8 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the ZAK181?

111 components, from 55 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the ZAK181 design files?

From the agkaminski/ZAK181 repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the ZAK181 design in my own project?

It is published under CC-BY-NC-4.0, which limits how it may be reused; read the license before building on it.

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