HardLabs

KawaiiPad

junyali·KawaiiPad·pcb/kawaiipad_pcb.kicad_pcb

KawaiiPad PCB layout, top view — open source RP2040/RP2350 board by junyali

About the KawaiiPad PCB

KawaiiPad is an open source RP2040/RP2350 PCB design by junyali, published on GitHub. It is a 2-layer board measuring 71.4 × 89.1 mm, with 28 components from 4 distinct parts.

Its main chip is the XIAO-RP2040-DIP, from the RP2040/RP2350 family. By type, the board carries 18 diodes, 9 switches and 1 IC.

It belongs with the keyboards designs in this gallery.

From the project

⌨ A custom macropad designed with cuteness in mind!

My first macropad that looks quite cute! :3 Designed in KiCAD, Fusion360, and QMK Firmware

- 1x SEEED XIAO RP2040 - 9x Cherry MX switches - 9x White keycaps (include some Hack Club ones please!!) - 9x 1N4148 Through-hole diodes - 9x SK6812-MINI LED - 4x M3x16mm screws - 4x M3 hex nuts - 1x KawaiiPad 3D Printed case - ~~100g of Francium owo~~

KawaiiPad, from the project README
From the project README

Main components on the KawaiiPad

XIAO-RP2040-DIP

KawaiiPad bill of materials (BOM)

28 components, 4 distinct parts.

QtyPartRefs
1
XIAO-RP2040-DIP
U1
9
SW_Push_45deg
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8 +1
9
1N4148
D1, D2, D3, D4, D5, D6, D7, D8 +1
9
SK6812MINI
D10, D11, D12, D13, D14, D15, D16, D17 +1

KawaiiPad design files

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

KawaiiPad: common questions

What microcontroller does the KawaiiPad use?

The KawaiiPad is built around the XIAO-RP2040-DIP, from the RP2040/RP2350 family.

How big is the KawaiiPad PCB?

The KawaiiPad measures 71.4 × 89.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the KawaiiPad?

28 components, from 4 distinct parts. The full bill of materials is listed on this page.

Where can I download the KawaiiPad design files?

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

Can I use the KawaiiPad design in my own project?

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

Can I test firmware for the KawaiiPad 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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