HardLabs

PicoSax

zygurt·MIDI-Wind-Controller·pcb/PicoSax/PicoSax.kicad_pcb

PicoSax PCB layout, top view — open source RP2040/RP2350 board by zygurt

About the PicoSax PCB

PicoSax is an open source RP2040/RP2350 PCB design by zygurt, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 160 mm, with 77 components from 18 distinct parts.

Its main chip is the RaspberryPi_Pico, from the RP2040/RP2350 family. By type, the board carries 22 resistors, 18 capacitors, 15 diodes, 4 connectors, 2 ICs and 2 switches.

It belongs with the audio designs in this gallery.

From the project

- 3D designs contains dxf and svg files. Basic design was done in Fusion 360 and then exported. - Datasheets contains datasheets. Woah. - src contains source code for doppler and Arduino Leonardo implementations, as well as the board schematic. Currently midi messages are sent ov

- 3D designs contains dxf and svg files. Basic design was done in Fusion 360 and then exported. - Datasheets contains datasheets. Woah. - src contains source code for doppler and Arduino Leonardo implementations, as well as the board schematic. Currently midi messages are sent over USB, and shows the midi note number in binary on the LED grid on the doppler board.

PicoSax, from the project README
From the project README

Main components on the PicoSax

RaspberryPi_Pico

PicoSax bill of materials (BOM)

77 components, 18 distinct parts.

QtyPartRefs
1
~
U2
1
~
U3
1
RaspberryPi_Pico
A1
2
~
J1, J4
1
~
J2
1
Conn_01x02
J3
2
Gateron_KS-33
SW8va1, SW8vb1
13
Gateron_KS-33
SWA1, SWB1, SWBb1, SWC1, SWCtrl1, SWD1, SWDup1, SWE1 +5
1
1N5817
D1
14
19-C47/RSGHBHC-5V01/2T
D2, D3, D4, D5, D6, D7, D8, D9 +6
1
1uF
C1
1
0.01uF
C2
1
470pF
C3
15
0.1uF
C4, C5, C6, C7, C8, C9, C10, C11 +7
17
10K
R1, R2, R3, R4, R5, R6, R7, R8 +9
1
33R 0.5W
R16
1
10R 0.25W
R17
3
0
R20, R21, R22

PicoSax design files

The KiCad project lives in the zygurt/MIDI-Wind-Controller repository on GitHub; these links point at the commit this page was built from.

PicoSax: common questions

What microcontroller does the PicoSax use?

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

How big is the PicoSax PCB?

The PicoSax measures 100 × 160 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the PicoSax?

77 components, from 18 distinct parts. The full bill of materials is listed on this page.

Where can I download the PicoSax design files?

From the zygurt/MIDI-Wind-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 PicoSax design in my own project?

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

Can I test firmware for the PicoSax 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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