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YUIOP2040

koron·yuiop·yuiop2040b/yuiop2040b.kicad_pcb

YUIOP2040 PCB layout, top view — open source RP2040/RP2350 board by koron
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About the YUIOP2040 PCB

YUIOP2040 is an open source RP2040/RP2350 PCB design by koron, published on GitHub under the MIT license. It is a 2-layer board measuring 25.9 × 51.2 mm, with 36 components from 21 distinct parts.

Its main chip is the RP2040, from the RP2040/RP2350 family. Other key parts include the MIC5219-3.3YM5 and W25Q16JVSS. By type, the board carries 17 capacitors, 8 resistors, 5 connectors, 3 ICs, 1 crystal and 1 fuse.

It belongs with the keyboards designs in this gallery.

From the project

YUIOP: Etude of designing keyboards

回路図中の各コンポーネントをページに分割することで 再利用しやすくすることを目的とした版。

Ref |Value --------|-------------- C1-C3 | 10μF C4,C5 | 10pF or 15 pF C6,C7 | 1μF C8-C17 | 100nF (0.1μF) R1,R2 | 27Ω R3,R5,R6| 1kΩ R4 | 10kΩ R31,R32 | 5.1kΩ U1 | MIC5219-3.3YM5 U2 | RP2040 U3 | W25Q16JVSS Y1 | FA238V 12.000000MHz 10.0 +50.0-50.0 J1 | USB micro B J2 | USB C Receptacle USB 2.0 DS1 | RB160M-30TR F1 | MF-NSMF050-2

Main components on the YUIOP2040

MIC5219-3.3YM5RP2040W25Q16JVSS

YUIOP2040 bill of materials (BOM)

36 components, 21 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
MIC5219-3.3YM5
U1
1
RP2040
U2
1
W25Q16JVSS
U3
1
FA238V 12.000000MHz 10.0 +50.0-50.0
Y1
1
5077CR-16-SMC2-BK
USB_B_Micro
J1
1
USB_C_Receptacle_USB2.0
J2
1
MJ-4PP-9
Conn_01x20
J3
1
UART0
Conn_01x20
J4
1
Conn_01x03
J5
1
RB160M-30TR
DS1
1
MF-NSMF050-2
F1
2
10UF
10u
C1, C2
1
1UF
10u
C3
2
1UF
10p
C4, C5
1
10UF
1u
C6
1
1u
C7
10
100n
C8, C9, C10, C11, C12, C13, C14, C15 +2
2
27
R1, R2
3
1k
R3, R5, R6
1
10k
R4
Show 1 more
QtyPartRefs
2
5.1k
R7, R8

YUIOP2040 design files

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

YUIOP2040: common questions

What microcontroller does the YUIOP2040 use?

The YUIOP2040 is built around the RP2040, from the RP2040/RP2350 family.

How big is the YUIOP2040 PCB?

The YUIOP2040 measures 25.9 × 51.2 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the YUIOP2040?

36 components, from 21 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 YUIOP2040 design files?

From the koron/yuiop 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 YUIOP2040 design in my own project?

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

Can I test firmware for the YUIOP2040 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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