HardLabs

Muse

ayukmr·muse·pcb/muse.kicad_pcb

Muse PCB layout, top view — open source RP2040/RP2350 board by ayukmr

About the Muse PCB

Muse is an open source RP2040/RP2350 PCB design by ayukmr, published on GitHub under the MIT license. It is a 2-layer board measuring 79.5 × 47 mm, with 9 components from 5 distinct parts.

Its main chip is the XIAO-RP2040-SMD, from the RP2040/RP2350 family. By type, the board carries 7 switches, 1 IC and 1 connector.

It belongs with the audio designs in this gallery.

From the project

Small device for outputting MIDI

Small device for outputting MIDI, with a rotary encoder, buttons, and an OLED screen.

The board is controlled by a XIAO RP2040 and uses USB-C for both power and data. A slide switch selects between two modes. In assign mode, the rotary encoder is used to select notes on the OLED screen and the buttons store the current note. In play mode, pressing a button sends its assigned note.

Muse, from the project README
From the project README

Main components on the Muse

XIAO-RP2040-SMD

Muse bill of materials (BOM)

9 components, 5 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XIAO-RP2040-SMD
XIAO-RP2040
U1
1
CONN_01X04
Conn_01x04
J1
1
RotaryEncoder
SW1
1
SW_Push
SW2
5
SW_Push
SW3, SW4, SW5, SW6, SW7

Muse design files

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

Muse: common questions

What microcontroller does the Muse use?

The Muse is built around the XIAO-RP2040-SMD, from the RP2040/RP2350 family.

How big is the Muse PCB?

The Muse measures 79.5 × 47 mm, has 2 copper layers and is 1 mm thick.

How many components are on the Muse?

9 components, from 5 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 Muse design files?

From the ayukmr/muse 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 Muse design in my own project?

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

Can I test firmware for the Muse 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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