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Laundry

velvia-fifty·AudioThings·Workshop/Laundry/Laundry.kicad_pcb

Laundry PCB layout, top view — open source board by velvia-fifty
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About the Laundry PCB

Laundry is an open source PCB design by velvia-fifty, published on GitHub under the CC-BY-NC-4.0 license. It is a 2-layer board measuring 100 × 100 mm, with 145 components from 66 distinct parts.

Other key parts include the 4070, 4015 and TL074. By type, the board carries 70 resistors, 21 capacitors, 14 connectors, 11 diodes, 8 ICs and 6 transistors.

It belongs with the audio designs in this gallery.

From the project

DIY audio-related projects of questionable quality and dubious utility; delivered in 30 minutes or less or the next one is free

When you download this as a ZIP open AudioThings.kicad_pro, this is a panopticon project that contains the main resources and exists to handle some references that are common. Apparently KiCad and I have some foundational disagreement on how to misuse their software; this is primarily because I'm ignorant, but also they have incorrect opinions.

Use Kicad to drill down into other projects.

Laundry, from the project README
From the project README

Main components on the Laundry

40704015TL074

Laundry bill of materials (BOM)

145 components, 66 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
4070
40106
U1
1
4015
TL074
U2
3
4015
TL072
U3, U4, U5
3
TL074
U6, U7, U8
2
BC558
Q1, Q2
4
BC548
Q3, Q4, Q5, Q6
1
B2B_CONN
OPT EURO
J2
1
1-0401FBV0T
USB
TAD
J4
1
Audio In
J5
1
Audio Out
J6
1
UART
J7
1
I2C
J8
2
Stereo Jack - SMD HZ
J9, J10
1
EXT_INTERFACE_1
J11
1
TRI MIX OUT
J12
1
FOLD IN
J13
1
Daughter
J14
1
SYNC OUT
J15
1
SYNC IN
J16
3
PTV09 Pot HZ
RV1, RV2, RV3
Show 46 more
QtyPartRefs
2
250k
RV4, RV5
4
100k
RV6, RV8, RV9, RV10
4
10k
RV7, RV11, RV13, RV14
1
1M
RV12
1
Micro Toggle
SW1
1
1N4148WS
5V OK
D1
1
1N4148WS
12V OK
D2
1
-12V OK
D3
1
PRSNT
D4
3
OSC
D5, D6, D7
3
1N4001
D8, D9, D10
1
LFO
D11
2
10uF
C1, C12
3
1uf
C2, C16, C18
1
100P
100uf
C3
3
100N
100nf
C4, C5, C6
2
100N
4.7nF
C7, C8
1
220nF
C9
2
100nF
C10, C11
1
68nF
C13
2
5.6nF
C14, C21
2
2.2nF
C15, C20
1
680p
C17
1
680pF
C19
1
100K
150
R1
2
10K
500
R2, R3
1
33K
150
R4
1
10K
2k
R5
1
47K
2k
R6
1
2k
R7
15
1k
R8, R9, R10, R14, R16, R18, R20, R22 +7
14
100k
R11, R12, R13, R37, R40, R49, R52, R54 +6
8
10k
R15, R17, R19, R33, R35, R39, R41, R55
4
1M
R21, R23, R25, R47
1
1.5k
R26
2
220k
R27, R43
1
100R
R28
6
20k
R29, R30, R31, R42, R44, R53
1
200k
R32
1
51k
R34
4
680R
R36, R45, R57, R69
2
470k
R50, R67
1
33k
R56
1
4k7
R65
1
47k
R66
1
22k
R70

Laundry design files

The KiCad project lives in the velvia-fifty/AudioThings repository on GitHub; these links point at the commit this page was built from.

Laundry: common questions

How big is the Laundry PCB?

The Laundry measures 100 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Laundry?

145 components, from 66 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 Laundry design files?

From the velvia-fifty/AudioThings 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 Laundry 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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