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Mixed-Signal-Guitar-Effects-Pedal

danromero1·Mixed-Signal-Guitar-Effects-Pedal·hardware/pcb/Nemesis-MixSigPCB.kicad_pcb

Mixed-Signal-Guitar-Effects-Pedal PCB layout, top view — open source STM32 board by danromero1
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About the Mixed-Signal-Guitar-Effects-Pedal PCB

Mixed-Signal-Guitar-Effects-Pedal is an open source STM32 PCB design by danromero1, published on GitHub under the MIT license. It is a 4-layer board measuring 60 × 75 mm, with 110 components from 39 distinct parts.

Its main chip is the STM32F103CBT6, from the STM32 family. Other key parts include the HT7533-1, TLV62569DBVR, MCP6001T-E/OT, USBLC6-2SC6 and REF3033AIDBZT. By type, the board carries 45 capacitors, 36 resistors, 11 ICs, 9 diodes, 4 connectors and 4 inductors.

It belongs with the audio designs in this gallery.

From the project

4-layer PCB design for a programmable guitar effects pedal with STM32-based real-time DSP processing, featuring ADC/DAC interfacing and multiple audio effects.

A standalone programmable guitar effects pedal implemented on a custom mixed-signal embedded platform with real-time DSP processing on an STM32 microcontroller.

This project is the end-to-end design and bring-up of a custom 4-layer mixed-signal embedded platform for real-time audio acquisition, digital signal processing, and playback. An external high-resolution ADC and DAC interface with an STM32 microcontroller to enable deterministic, low-latency audio processing in a standalone system operating without a host PC.

Main components on the Mixed-Signal-Guitar-Effects-Pedal

HT7533-1TLV62569DBVRMCP6001T-E/OTSTM32F103CBT6USBLC6-2SC6REF3033AIDBZTADC141S626CIMM/NOPBDAC7563TDGSR

Mixed-Signal-Guitar-Effects-Pedal bill of materials (BOM)

110 components, 39 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
HT7533-1
Holtek Semicon
U100
1
TLV62569DBVR
TLV62569DBV
Texas Instruments
U101
4
MCP6001T-E/OT
Microchip Tech
U102, U300, U301, U401
1
STM32F103CBT6
STMicroelectronics
U200
1
USBLC6-2SC6
STMicroelectronics
U201
1
REF3033AIDBZT
Texas Instruments
U302
1
ADC141S626CIMM/NOPB
ADC141S626CIMM_NOPB
Texas Instruments
U303
1
DAC7563TDGSR
DAC7563SDGSR
Texas Instruments
U400
1
7M16000017
16MHz
TXC Corp
Y200
1
TYPE-C-31-M-12
USB_C_Receptacle_USB2.0
Korean Hroparts Elec
J200
1
FTSH-105-01-F-DV-K-TR
2x5 1.27mm
Samtec
J201
2
031-5640
031-5640-1010
Amphenol ICC
J300, J400
1
19-217/GHC-YR1S2/3T
GREEN
Everlight Elec
D100
1
ASMB-MTB1-0B3A2
MHPA3528RGBCT
Broadcom Limited
D200
7
PESD3V3L1BA,115
Nexperia
D201, D202, D203, D204, D205, D300, D400
2
SDCL1005C10NJTDF
10n
Sunlord
L100, L200
1
MWSA0603S-150MT
15u
Sunlord
L101
1
CMF3216F-900-2P-T
HYHONGYEX
L201
5
CL10A105KB8NNNC
1u
Samsung Electro-Mechanics
C100, C101, C206, C207, C402
5
CL21A226MAQNNNE
22u
Samsung Electro-Mechanics
C102, C103, C104, C105, C107
Show 19 more
QtyPartRefs
1
DNP
C106
16
CL05B104KO5NNNC
100n
Samsung Electro-Mechanics
C108, C201, C202, C203, C204, C210, C211, C212 +8
7
CL10A106MA8NRNC
10u
Samsung Electro-Mechanics
C200, C308, C309, C310, C312, C315, C400
1
CL05B103KB5NNNC
10n
Samsung Electro-Mechanics
C205
2
CL05C100JB5NNNC
10p
Samsung Electro-Mechanics
C208, C209
4
CL05C151JB5NNNC
150p
Samsung Electro-Mechanics
C300, C304, C307, C404
4
0402B102K500NT
1n
FH (Guangdong Fenghua Advanced Tech)
C303, C305, C403, C405
1
0805W8F100JT5E
10R
UNI-ROYAL(Uniroyal Elec)
R100
1
0402WGF1003TCE
100k
UNI-ROYAL(Uniroyal Elec)
R101
3
0402WGF2202TCE
22k
UNI-ROYAL(Uniroyal Elec)
R102, R304, R403
9
0402WGF1001TCE
1k
UNI-ROYAL(Uniroyal Elec)
R103, R104, R105, R207, R208, R209, R300, R306 +1
4
0402WGF1002TCE
10k
UNI-ROYAL(Uniroyal Elec)
R200, R202, R203, R401
3
0402WGF0000TCE
0R
UNI-ROYAL(Uniroyal Elec)
R201, R309, R400
1
0402WGF1501TCE
1k5
UNI-ROYAL(Uniroyal Elec)
R204
2
0402WGF5101TCE
5k1
UNI-ROYAL(Uniroyal Elec)
R205, R206
6
0402WGF499JTCE
49R9
UNI-ROYAL(Uniroyal Elec)
R210, R211, R212, R213, R308, R405
2
0402WGF2204TCE
2M2
UNI-ROYAL(Uniroyal Elec)
R301, R302
2
0402WGF6801TCE
6k8
UNI-ROYAL(Uniroyal Elec)
R303, R402
2
0402WGF1202TCE
12k
UNI-ROYAL(Uniroyal Elec)
R305, R404

Mixed-Signal-Guitar-Effects-Pedal design files

The KiCad project lives in the danromero1/Mixed-Signal-Guitar-Effects-Pedal repository on GitHub; these links point at the commit this page was built from.

Mixed-Signal-Guitar-Effects-Pedal: common questions

What microcontroller does the Mixed-Signal-Guitar-Effects-Pedal use?

The Mixed-Signal-Guitar-Effects-Pedal is built around the STM32F103CBT6, from the STM32 family.

How big is the Mixed-Signal-Guitar-Effects-Pedal PCB?

The Mixed-Signal-Guitar-Effects-Pedal measures 60 × 75 mm, has 4 copper layers and is 1.59 mm thick.

How many components are on the Mixed-Signal-Guitar-Effects-Pedal?

110 components, from 39 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 Mixed-Signal-Guitar-Effects-Pedal design files?

From the danromero1/Mixed-Signal-Guitar-Effects-Pedal repository on GitHub, which has the KiCad layout and the BOM; the links under Design files point to each one.

Can I use the Mixed-Signal-Guitar-Effects-Pedal design in my own project?

Yes, under the terms of its MIT license, which danromero1 chose for the repository.

Can I test firmware for the Mixed-Signal-Guitar-Effects-Pedal 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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