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Mixer module

Hibernathan1212·dj-controller·pcb/mix module/mixer module.kicad_pcb

Mixer module layout, top view — open source RP2040/RP2350 board by Hibernathan1212

About the Mixer module

Mixer module is an open source RP2040/RP2350 PCB design by Hibernathan1212, published on GitHub. It is a 2-layer board measuring 124.5 × 171.5 mm, with 36 components from 7 distinct parts.

Its main chip is the RaspberryPi_Pico, from the RP2040/RP2350 family. Other key parts include the CD74HC4067M. By type, the board carries 4 switches, 4 capacitors, 2 ICs, 1 module and 1 connector.

It belongs with the audio designs in this gallery.

From the project

A MIDI jogless DJ controller similar to the Native Instruments S8 and D2 and X1 and Z1. Planning for it to just be a midi controller with knobs for mixing and controlling loops as well as buttons for play/pausing and others usually found on dj decks. Follows a modular design with

A MIDI jogless DJ controller similar to the Native Instruments S8 and D2 and X1 and Z1. Planning for it to just be a midi controller with knobs for mixing and controlling loops as well as buttons for play/pausing and others usually found on dj decks. Follows a modular design with the deck modules (2 on other side) and the mixer module which will have controls for 4 audio channels.

Main components on the Mixer module

CD74HC4067MRaspberryPi_Pico

Mixer module bill of materials (BOM)

36 components, 7 distinct parts.

QtyPartRefs
2
CD74HC4067M
U1, U2
1
RaspberryPi_Pico
A1
1
Conn_01x04_Pin
J1
5
R_Potentiometer
RV1, RV2, RV3, RV4, RV5
19
R_Potentiometer
RV6, RV7, RV8, RV9, RV10, RV11, RV12, RV13 +11
4
SW_Push
SW1, SW2, SW3, SW4
4
C_Small
C1, C2, C3, C4

Mixer module design files

The KiCad project lives in the Hibernathan1212/dj-controller repository on GitHub; these links point at the commit this page was built from.

Mixer module: common questions

What microcontroller does the Mixer module use?

The Mixer module is built around the RaspberryPi_Pico, from the RP2040/RP2350 family.

How big is the Mixer module?

The Mixer module measures 124.5 × 171.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Mixer module?

36 components, from 7 distinct parts. The full bill of materials is listed on this page.

Where can I download the Mixer module design files?

From the Hibernathan1212/dj-controller repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Mixer module design in my own project?

The repository has no license, so all rights stay with Hibernathan1212. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Mixer module without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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