HardLabs

Mixer

QuinnFreedman·modular·modules/Mixer/PCBs/mixer_pcb/mixer_pcb.kicad_pcb

Mixer PCB layout, top view — open source board by QuinnFreedman

About the Mixer PCB

Mixer is an open source PCB design by QuinnFreedman, published on GitHub. It is a 2-layer board measuring 40 × 100 mm, with 37 components from 13 distinct parts.

Other key parts include the Opamp_Dual. By type, the board carries 11 resistors, 9 connectors, 6 capacitors, 5 switches, 1 IC and 1 diode.

It belongs with the audio designs in this gallery.

From the project

A collection of free & open source DIY synthesizer module designs for Eurorack

Mixer, from the project README
From the project README

Main components on the Mixer

Opamp_Dual

Mixer bill of materials (BOM)

37 components, 13 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
Opamp_Dual
U1
6
THONKICONN
J1, J2, J3, J4, J5, J6
1
Eurorack_2x5_Power
J7
2
Conn_01x02_Socket
J8, J9
4
A100k
RV1, RV2, RV3, RV4
5
TAIWAY 200CWMSP1T3B4M2
SW1, SW2, SW3, SW4, SW5
1
LED
D1
2
100nF
C1, C2
2
33pF
C3, C4
2
10uF
C5, C6
9
100kΩ
R1, R2, R3, R4, R5, R6, R7, R8 +1
1
1kΩ
R10
1
4k7Ω
R11

Mixer design files

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

Mixer: common questions

How big is the Mixer PCB?

The Mixer measures 40 × 100 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mixer?

37 components, from 13 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 Mixer design files?

From the QuinnFreedman/modular 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 Mixer design in my own project?

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

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