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TriMiXxX MIDI S3 Mini Control board

usr-ein·TriMixxx·boards/midi_s3_mini/midi_s3_mini.kicad_pcb

TriMiXxX MIDI S3 Mini Control board layout, top view — open source board by usr-ein
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About the TriMiXxX MIDI S3 Mini Control board

TriMiXxX MIDI S3 Mini Control board is an open source PCB design by usr-ein, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 90 × 70 mm, with 71 components from 25 distinct parts.

Other key parts include the SPX3819M5-L/TR. By type, the board carries 33 resistors, 18 capacitors, 4 diodes, 3 LEDs, 1 IC and 1 transistor.

It belongs with the audio designs in this gallery.

From the project

Open source standalone DJ multimedia player, compatible with Rekordbox

A custom DJ media player — a CDJ-style deck — built from scratch around a Raspberry Pi, designed to run Mixxx DJ software. It reuses an original Pioneer CDJ's buttons and jog wheel behind custom PCBs and a 3D-printed chassis for an authentic DJ feel, and reads Rekordbox-formatted USB sticks — no laptop required.

The 1024×600 touchscreen runs a purpose-built Mixxx skin (mixxxconfig/TriMixxxskin). There is no mouse and no laptop: every control is either on the deck or under a thumb, so the UI is built around big targets and the browse encoder rather than around pointer precision.

TriMiXxX MIDI S3 Mini Control board, from the project README
From the project README

Main components on the TriMiXxX MIDI S3 Mini Control board

SPX3819M5-L/TR

TriMiXxX MIDI S3 Mini Control board bill of materials (BOM)

71 components, 25 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
SPX3819M5-L/TR
MaxLinear(迈凌)
U2
1
AO3401A
AOS
Q1
1
CL10A105KB8NNNC
1uF ±10% 50V
SAMSUNG(三星)
C_LDO_in1
1
CL21A225KBQNNNE
2.2uF ±10% 50V
SAMSUNG(三星)
C_LDO_out1
9
SRV05-4
TECH PUBLIC(台舟)
TVS1, TVS2, TVS3, TVS4, TVS5, TVS6, TVS7, TVS8 +1
1
KT-0805黄灯
Yellow
KENTO
LED_3V3_PERI1
1
KT-0805G
Green
KENTO
LED_3V3_S1
1
NCD0805R1
Red
国星光电
LED_5V1
1
P6SMB6.8CA/TR13
P6SMB6.8CA
Brightking(君耀电子)
D1
1
B5819W SL
B5819W_C8598
CJ(江苏长电/长晶)
D2
2
SS14
MDD(辰达半导体)
D3, D4
13
CL05B104KB54PNC
100n
SAMSUNG(三星)
C1, C2, C4, C5, C6, C7, C8, C9 +5
1
CL05B103KB5NNNC
10nF ±10% 50V
SAMSUNG(三星)
C3
3
CL21A226MAQNNNE
22uF 25V
SAMSUNG(三星)
C16, C17, C18
1
CL21A475KAQNNNE
4.7uF ±10% 25V
SAMSUNG(三星)
C20
21
0402WGF1001TCE
1KΩ ±1%
UNI-ROYAL(厚声)
R1, R2, R7, R8, R9, R10, R11, R12 +13
2
0603WAF1801T5E
1.8KΩ ±1%
UNI-ROYAL(厚声)
R3, R5
3
0402WGF3301TCE
3.3KΩ ±1%
UNI-ROYAL(厚声)
R4, R6, R30
1
0402WGF1002TCE
10KΩ ±1%
UNI-ROYAL(厚声)
R17
1
0603WAF1003T5E
100KΩ ±1%
UNI-ROYAL(厚声)
R31
Show 5 more
QtyPartRefs
1
0402WGF4702TCE
47KΩ ±1%
UNI-ROYAL(厚声)
R32
1
0402WGF100KTCE
1Ω ±1%
UNI-ROYAL(厚声)
R33
1
0402WGF2202TCE
22KΩ ±1%
UNI-ROYAL(厚声)
R34
1
0402WGF4700TCE
470Ω ±1%
UNI-ROYAL(厚声)
R35
1
0402WGF1501TCE
1.5KΩ ±1%
UNI-ROYAL(厚声)
R36

TriMiXxX MIDI S3 Mini Control board design files

The KiCad project lives in the usr-ein/TriMixxx repository on GitHub; these links point at the commit this page was built from.

TriMiXxX MIDI S3 Mini Control board: common questions

How big is the TriMiXxX MIDI S3 Mini Control board?

The TriMiXxX MIDI S3 Mini Control board measures 90 × 70 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the TriMiXxX MIDI S3 Mini Control board?

71 components, from 25 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 TriMiXxX MIDI S3 Mini Control board design files?

From the usr-ein/TriMixxx 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 TriMiXxX MIDI S3 Mini Control board design in my own project?

Yes, under the terms of its GPL-3.0 license, which usr-ein chose for the repository.

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