HardLabs

Karabas megabuzz

andykarpov·karabas-megabuzz·pcb/revA1/karabas-megabuzz.kicad_pcb

Karabas megabuzz PCB layout, top view — open source board by andykarpov

About the Karabas megabuzz PCB

Karabas megabuzz is an open source PCB design by andykarpov, published on GitHub under the MIT license. It is a 4-layer board measuring 92.2 × 44 mm, with 150 components from 36 distinct parts.

Other key parts include the XC6SLX25-FTG256, W25Q128JVS, 74AHCT1G125DB, SN74CB3T3245PW and SN74LV1T34DBV. By type, the board carries 57 capacitors, 51 resistors, 18 ICs, 18 diodes, 2 connectors and 1 crystal.

It belongs with the test & measurement and audio designs in this gallery.

From the project

A minimalistic FPGA soundcard for ZX Spectrum

Simple FPGA based sound card for ZX Spectrum (NemoBus). Inspired by a ZX-Multisound and karabas-opl3 soundcards :)

Turbosound FM General Sound 2 MB OPL3 sound by YMF-262-M MIDI by Dream SAM2695 SAA1099 Soundrive, Covox + Beeper MP3, OGG, WMA, AAC decoding by VS1053/VS1063 16-bit DAC PCM5102 XC6SLX16 / XC6SLX25 FPGA SD Card by Z-Controller / DivMMC (since rev.A1) Low profile PCB: 92x44mm 5V only power required

Karabas megabuzz, from the project README
From the project README

Main components on the Karabas megabuzz

XC6SLX25-FTG256W25Q128JVS74AHCT1G125DBSN74CB3T3245PWSN74LV1T34DBVYMF262-MSAM2695PCM5102APCM1808PWRCY62167EV30LL1117-3.31117-1.2

Karabas megabuzz bill of materials (BOM)

150 components, 36 distinct parts.

QtyPartRefs
1
XC6SLX25-FTG256
U1
1
W25Q128JVS
U2
3
74AHCT1G125DB
U3, U4, U19
4
SN74CB3T3245PW
U5, U6, U7, U8
1
SN74LV1T34DBV
U9
1
YMF262-M
U10
1
SAM2695
U11
1
PCM5102A
U12
1
PCM1808PWR
U13
1
CY62167EV30LL
U14
2
1117-3.3
U15, U16
1
1117-1.2
U17
1
50 MHz
X1
1
uSD card
J3
1
PJ307
J4
1
RST
BTN1
1
NMI
BTN2
2
BLUE
D1, D9
8
GREEN
D2, D3, D4, D5, D10, D11, D12, D13
4
YELLOW
D6, D7, D14, D15
Show 16 more
QtyPartRefs
3
RED
D8, D16, D17
1
1N4148W
D18
1
1uH
L1
30
100n
C1, C2, C3, C4, C5, C7, C9, C11 +22
4
100n
C6, C8, C10, C12
11
10u
C17, C19, C20, C21, C27, C31, C32, C36 +3
4
2u2
C25, C30, C34, C35
4
2n2
C26, C29, C37, C39
1
100u/16V
C42
3
22u
C48, C52, C54
9
27
R1, R16, R17, R18, R19, R25, R28, R29 +1
16
10k
R2, R3, R4, R5, R6, R7, R8, R9 +8
1
47k
R13
20
1k
R20, R21, R24, R33, R34, R35, R36, R37 +12
4
470
R22, R23, R26, R27
1
0
R30

Karabas megabuzz design files

The KiCad project lives in the andykarpov/karabas-megabuzz repository on GitHub; these links point at the commit this page was built from.

Karabas megabuzz: common questions

How big is the Karabas megabuzz PCB?

The Karabas megabuzz measures 92.2 × 44 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Karabas megabuzz?

150 components, from 36 distinct parts. The full bill of materials is listed on this page.

Where can I download the Karabas megabuzz design files?

From the andykarpov/karabas-megabuzz repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Karabas megabuzz design in my own project?

Yes, under the terms of its MIT license, which andykarpov chose for the repository.

Similar boards