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Braids through hole V1.1 BRAIN

sebastianbeyer·KOSMO_braids·braids_BRAIN/braids_through-hole_V1.1_BRAIN.kicad_pcb

Braids through hole V1.1 BRAIN PCB layout, top view — open source STM32 board by sebastianbeyer
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About the Braids through hole V1.1 BRAIN PCB

Braids through hole V1.1 BRAIN is an open source STM32 PCB design by sebastianbeyer, published on GitHub. It is a board measuring 78.7 × 81 mm, with 63 components from 26 distinct parts.

Its main chip is the STM32F103C8T6, from the STM32 family. Other key parts include the LM4040-2.5, MCP3204-BI/P, MCP4822, LD1117V33 and MCP6004. By type, the board carries 24 capacitors, 23 resistors, 11 ICs, 2 transistors and 2 diodes.

From the project

This is a KOSMO (Look Mum No Computer) version of the Mutable instruments braids, based on the through-hole version done by sound-force.nl. It has only 12 bits resolution in the output because the chip is easier to work with and cheaper.

This is a KOSMO (Look Mum No Computer) version of the Mutable instruments braids, based on the through-hole version done by sound-force.nl. It has only 12 bits resolution in the output because the chip is easier to work with and cheaper.

This project is so far only different to the soundforce version in that I removed the 3.5mm jack sockets and replaced them with molex connectors to get them connected to the larger 6.3mm jack sockets that KOSMO uses. And I made the larger KOSMO panel.

Braids through hole V1.1 BRAIN, from the project README
From the project README

Main components on the Braids through hole V1.1 BRAIN

LM4040-2.5MCP3204-BI/PMCP4822LD1117V33MCP6004TL074PTL072

Braids through hole V1.1 BRAIN bill of materials (BOM)

63 components, 26 distinct parts.

QtyPartRefs
1
LM4040-2.5
IC3
1
MCP3204-BI/P
IC4
1
MCP4822
IC5
2
LD1117V33
IC6, IC11
1
MCP6004
IC7
1
TL074P
IC9
1
TL072
IC10
3
—
U$2, U$3, U$5
2
2N3904
Q6, Q7
1
STM32F103C8T6
UC1
2
1N5817
D1, D2
9
100n
C3, C4, C5, C6, C18, C20, C23, C27 +1
4
10u
C7, C9, C15, C33
1
470n
C8
4
1n
C13, C14, C16, C17
2
100p
C21, C22
1
10u
C24
2
47u
C25, C30
1
47p
C29
3
1k
R22, R23, R55
Show 6 more
QtyPartRefs
2
49.9k
R25, R26
1
10k
R27
4
100k
R29, R47, R54, R56
10
24.9k
R30, R31, R34, R35, R41, R42, R43, R44 +2
2
39k
R45, R46
1
20k
R50

Braids through hole V1.1 BRAIN design files

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

Braids through hole V1.1 BRAIN: common questions

What microcontroller does the Braids through hole V1.1 BRAIN use?

The Braids through hole V1.1 BRAIN is built around the STM32F103C8T6, from the STM32 family.

How big is the Braids through hole V1.1 BRAIN PCB?

The Braids through hole V1.1 BRAIN measures 78.7 × 81 mm and is 1.6 mm thick.

How many components are on the Braids through hole V1.1 BRAIN?

63 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the Braids through hole V1.1 BRAIN design files?

From the sebastianbeyer/KOSMO_braids repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Braids through hole V1.1 BRAIN design in my own project?

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

Can I test firmware for the Braids through hole V1.1 BRAIN 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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