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Noraneko42a

darakuneko·Noraneko·noraneko42a/v1.0/pcb/noraneko42a.kicad_pcb

Noraneko42a PCB layout, top view — open source RP2040/RP2350 board by darakuneko

About the Noraneko42a PCB

Noraneko42a is an open source RP2040/RP2350 PCB design by darakuneko, published on GitHub under the Custom license license. It is a 2-layer board measuring 272.5 × 94.1 mm, with 138 components from 11 distinct parts.

Its main chip is the RP2040-Zero, from the RP2040/RP2350 family. By type, the board carries 42 switches, 42 LEDs, 42 diodes, 2 resistors, 1 IC and 1 transistor.

It belongs with the keyboards and displays & leds designs in this gallery.

From the project

The Noraneko42A is 42key Alice Layout keyboard.

The Noraneko42A is 42key Alice Layout keyboard.

Top acrylic plate --- 1 pc Middle acrylic plate --- 1 pc Main FR4 plate --- 1 pc Bottom1 acrylic plate --- 1 pc Bottom2 acrylic plate --- 1 pc M2 washer --- 7 pcs M2 spacer 3mm --- 7 pcs M2 screw 3.5mm --- 14 pcs (Screw heads should be 2 mm or less） RP2040-Zero --- 1 pc 1N4148W --- 42 pcs SK6812MINI-E --- 42 pcs WS2812B --- 8 pcs MX key switch --- 42 pcs Stabilizers 2U --- 2 pcs MX keycap https://booth.pximg.net/3a4d6577-cfc5-4ca5-92b6-a2b233b974d5/i/5374158/5d14389b-c7e3-49fb-a8d4-9945c7a1167a.png Bumpon --- Any quantity

Noraneko42a, from the project README
From the project README

Main components on the Noraneko42a

RP2040-Zero

Noraneko42a bill of materials (BOM)

138 components, 11 distinct parts.

QtyPartRefs
1
RP2040-Zero
U1
1
BSS138
Q1
35
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +27
4
SW_Push
SW13, SW36, SW37, SW42
1
SW_Push
SW25
2
SW_Push
SW38, SW41
8
SK6812MINI-E
ULED1, ULED2, ULED3, ULED4, ULED5, ULED6, ULED7, ULED8
40
SK6812MINI-E
LED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8 +32
2
SK6812MINI-E
LED30, LED35
42
D
D1, D2, D3, D4, D5, D6, D7, D8 +34
2
1K
R1, R2

Noraneko42a design files

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

Noraneko42a: common questions

What microcontroller does the Noraneko42a use?

The Noraneko42a is built around the RP2040-Zero, from the RP2040/RP2350 family.

How big is the Noraneko42a PCB?

The Noraneko42a measures 272.5 × 94.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Noraneko42a?

138 components, from 11 distinct parts. The full bill of materials is listed on this page.

Where can I download the Noraneko42a design files?

From the darakuneko/Noraneko repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Noraneko42a design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Noraneko42a 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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