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2 layers85 × 128.5 mmMiniVerb, the printed circuit board in 3D

A through-hole reverb module for Eurorack based around the Daisy Seed by Electrosmith

Size
85 × 128.5 mm
Copper layers
2
Thickness
1.6 mm
Parts
59
Nets
64
Pads
198
Tracks, vias
245, 187
Pours
3
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
7 Dec 2022
Updated
24 Aug 2023

Overview

MiniVerb is an open-source printed circuit board by benjiaomodular, from the benjiaomodular/MiniVerb repository on GitHub, published under the MIT licence. It is a 2-layer board of 85 × 128.5 mm with 59 parts on 64 nets, routed with 245 tracks and 187 vias.

It is built around the B10K and 3MM LED发光二极管90度弯脚. Its parts include 21 resistors, 14 capacitors, 2 ICs, 1 diode and 1 connector.

Main components

2

README

README.md

MiniVerb

A reverb module based around the Daisy Seed platform.

MiniVerb v1.1 MiniVerb v2.1

PCB Versions

2.1

Finally, a working SMT version

Download zip files from: Hardware/MiniVerb v2.1/Fabrication

2.0 (not working)

First SMT Release. This version was unusable.

  • Added a single CV input

1.1

First batch of corrections

  • Fixed pot connections
  • Make IN(R) use IN(L) when no jack is inserted.

Download zip files from: Hardware/MiniVerb v1.1/Fabrication

1.0 (not working)

Initial release (does not work out of the box)

  • Pots connected to the wrong pins on the Daisy

Parts

59
QtyValueFootprintReferences
12100kbenjiaomodular:Resistor_L6.3mm_D2.5mm_P7.62mm_HorizontalR2, R3, R4, R5, R6, R8, R11, R12, R13, R17, R18, R19
647pFbenjiaomodular:Capacitor_Disc_D3.8mm_W2.6mm_P2.50mmC1, C2, C4, C5, C7, C8
510kbenjiaomodular:Resistor_L6.3mm_D2.5mm_P7.62mm_HorizontalR1, R7, R14, R16, R21
5B10Kbenjiaomodular:Potentiometer_RV09POT_DRY1, POT_FBK1, POT_LPF1, POT_MOD1, POT_WET1
4100nFbenjiaomodular:Capacitor_Rect_L7.2mm_W2.5mm_P5.00mmC11, C12, C13, C14
41kbenjiaomodular:Resistor_L6.3mm_D2.5mm_P7.62mm_HorizontalR9, R10, R15, R20
4MONO_JACKbenjiaomodular:AudioJack_3.5mmAUDIO_IN1, AUDIO_IN2, AUDIO_OUT1, AUDIO_OUT2
2100uFbenjiaomodular:Capacitor_Radial_D5.0mm_P2.5mmC9, C10
2580pFbenjiaomodular:Capacitor_Rect_L7.2mm_W2.5mm_P5.00mmC3, C6
2TL074Package_DIP:DIP-14_W7.62mmU1, U2
13mm_LEDLED_THT:LED_D3.0mmD1
1Device_Audio_Electrosmith_Daisy_Seed_Rev4daisy-seed:Device_Audio_Electrosmith_Daisy_SeedA1
1IDC_2x05Connector_IDC:IDC-Header_2x05_P2.54mm_VerticalJ1

The 49 most common of 59 parts.

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Questions

How big is the MiniVerb PCB?

It measures 85 × 128.5 mm and has 2 copper layers, 1.6 mm thick.

What parts does the MiniVerb use?

59 parts, built around the B10K and 3MM LED发光二极管90度弯脚. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the MiniVerb KiCad files?

From the benjiaomodular/MiniVerb repository on GitHub, at the commit this page was made from: the board is Hardware/MiniVerb v1.1/Circuit/MiniVerb.kicad_pcb and its schematic Hardware/MiniVerb v1.0/Circuit/CV Inputs.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the MiniVerb design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).