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Mini

TMANTsmith·daisy-esp32-guitar-pedal·mini-pcb/mini_pcb.kicad_pcb

Mini PCB layout, top view — open source board by TMANTsmith
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About the Mini PCB

Mini is an open source PCB design by TMANTsmith, published on GitHub. It is a 4-layer board measuring 58.5 × 60.5 mm, with 44 components from 20 distinct parts.

Other key parts include the C69414, C354068, C21190 and C50984. By type, the board carries 18 resistors, 15 capacitors, 5 connectors, 3 ICs, 2 diodes and 1 module.

It belongs with the audio designs in this gallery.

From the project

esp23 + daisy guitar pedal

This is a guitar pedal with the goal of combining the audio processing power of the Daisy Seed with the wifi capabilities of the Esp32C series (currently only testing the C6). This way you can fully control the guitar pedal with your phone connected by a website hosted by the esp32 and for low-latantcy tasks physical buttons will be on the board. This will allow for greator flexability through the user being able to add or remove buttons by making changes to the website allowing them to have any configuration they want.

Mini, from the project README
From the project README

Main components on the Mini

C69414C354068C21190C50984

Mini bill of materials (BOM)

44 components, 20 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
C69414
OPA1664D
U2
1
C354068
LM1117DT-5.0
U3
1
C21190
CJ431
U4
1
C50984
Electrosmith_Daisy_Seed_Rev4
A1
2
C8465
Screw_Terminal_01x02
J1, J6
1
C16214
Barrel_Jack_Switch
J3
1
AUDIO_IN_TRS
J4
1
AUDIO_OUT_TRS
J5
1
C8598
1N5817
D1
1
C2297
LED
D2
2
C7171
10uf
C1, C4
4
C46653
1nf
C2, C13, C16, C17
6
C440198
10uf
C3, C5, C6, C7, C9, C11
3
C49678
0.1uf
C8, C10, C12
4
C22976
2M
R1, R5, R8, R10
2
C23234
7.5k
R2, R9
9
C22775
100
R3, R4, R6, R7, R13, R14, R21, R25 +1
1
C25804
10k
R22
1
C21190
1k
R23
1
C23138
330
R27

Mini design files

The KiCad project lives in the TMANTsmith/daisy-esp32-guitar-pedal repository on GitHub; these links point at the commit this page was built from.

Mini: common questions

How big is the Mini PCB?

The Mini measures 58.5 × 60.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Mini?

44 components, from 20 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 Mini design files?

From the TMANTsmith/daisy-esp32-guitar-pedal 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 Mini design in my own project?

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

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