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Allcolours back01

microresearch·allcolours·all_colours_kicad/allcolours_back01.kicad_pcb

Allcolours back01 PCB layout, top view — open source STM32 board by microresearch
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About the Allcolours back01 PCB

Allcolours back01 is an open source STM32 PCB design by microresearch, published on GitHub. It is a board measuring 101.4 × 128.5 mm, with 243 components from 54 distinct parts.

Its main chip is the STM32F103CBTX, from the STM32 family. Other key parts include the LM1117-3.3, MAX4392, TL082, L78M10 and LM1117-5.0. By type, the board carries 108 resistors, 55 capacitors, 32 modules, 15 ICs, 14 transistors and 7 diodes.

From the project

all the colours of the noise

Main components on the Allcolours back01

LM1117-3.3MAX4392TL082L78M10LM1117-5.0MCP6002MAX7490MAXIM_7400STM32F103CBTX

Allcolours back01 bill of materials (BOM)

243 components, 54 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
LM1117-3.3
U1
1
MAX4392
max4392
U2
5
TL082
U3, U9, U11, U18, U19
1
L78M10
U5
1
LM1117-5.0
U6
2
MCP6002
U7, U17
1
MAX7490
MAX7490-check width
U8
1
MAXIM_7400
maxim_7400
U10
1
max4392
U12
1
STM32F103CBTX
STM32F103CBTx
U16
31
AUDIO-JACKERTHENVAR
M1-speedlfin1, M2-clkinl1, M3-pulsehfclkin1, M4-pulsehf1in1, M5-difffilaudinl1, M7-pulselfclkin1, M8-pulself1in1, M9-speedhfin1 +23
1
pulself1_out
M25-pulself1out1
4
Q_NPN_BEC
Q1, Q3, Q5, Q6
10
MMBT3904
Q2, Q4, Q7, Q9, Q10, Q11, Q12, Q13 +2
1
8 MHz
Y2
1
PROG
J1
1
CONN_02X05
P4
6
10K
RV1-comphf1, RV2-complf1, RV3-comphf2, RV4-complf2, modehf1, modelf1
2
10K
speedhf1, speedlf1
1
LM4040
D1
Show 34 more
QtyPartRefs
2
1N5819
BAT85/1n5819
D2, D4
2
1N5819
5819
D3, D5
2
1N5819
D
D14, D15
1
INDUCTOR
L2
2
47U
47u
C1, C4
24
100N
C2, C3, C7, C8, C9, C10, C12, C15 +16
8
10U
10u
C5, C14, C20, C25, C39, C55, C56, C63
1
10P
10p
C6
2
100N
10u
C11, C13
3
100N
C18, C23, C65
4
1uF
C19, C35, C52, C53
1
10u
C24
4
1NF
1nF
C27, C58, C61, C62
1
100N
100nF
C28
4
18P
18p
C41, C59, C60, C64
1
10U
4.7UF
C54
2
47K
R1, R3
1
150K
R2
1
4K7
R4
34
10K
R5, R6, R7, R8, R9, R13, R15, R20 +26
8
10K
TEST
R10, R26, R27, R44, R62, R74, R82, R89
5
33K
R11, R79, R91, R104, R107
1
100K
47K
R12
13
1K
TEST
R14, R21, R41, R43, R68, R76, R78, R83 +5
2
4K7
10K
R16, R18
10
100K
R17, R32, R33, R34, R35, R38, R73, R81 +2
1
240K
100K
R19
8
4K7
?adj
R28, R30, R36, R40, R45, R57, R64, R66
1
470R
R31
4
66.5K
R39, R95, R98, R99
3
4K7
4.7K
R48, R58, R101
10
200K
R50, R51, R52, R53, R54, R55, R85, R94 +2
2
24K
10K
R61, R102
2
3K3
1K
R86, R106

Allcolours back01 design files

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

Allcolours back01: common questions

What microcontroller does the Allcolours back01 use?

The Allcolours back01 is built around the STM32F103CBTX, from the STM32 family.

How big is the Allcolours back01 PCB?

The Allcolours back01 measures 101.4 × 128.5 mm and is 1.6002 mm thick.

How many components are on the Allcolours back01?

243 components, from 54 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 Allcolours back01 design files?

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

Can I use the Allcolours back01 design in my own project?

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

Can I test firmware for the Allcolours back01 without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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