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Bumwings v001R55 rp2040zero sd

tubbytwins·bumwings-kbd·v001R/pcb_R55_rp2040zero_sd/bumwings_v001R55_rp2040zero_sd.kicad_pcb

Bumwings v001R55 rp2040zero sd PCB layout, top view — open source RP2040/RP2350 board by tubbytwins

About the Bumwings v001R55 rp2040zero sd PCB

Bumwings v001R55 rp2040zero sd is an open source RP2040/RP2350 PCB design by tubbytwins, published on GitHub under the MIT license. It is a 2-layer board measuring 344.6 × 129.3 mm, with 111 components from 5 distinct parts.

Its main chip is the RP2040-Zero-phy, from the RP2040/RP2350 family. By type, the board carries 55 switches and 55 diodes.

It belongs with the keyboards designs in this gallery.

From the project

Ergonomic keyboard PCB design that uses the Waveshare RP2040-zero board.

I used JLCPCB to build the prototype PCBs for this version. These work nicely, perhaps even better than the original "v001" designs.

"pcbR55rp2040zerosd" - simplified, remixed, 55-key direct-soldered PCB based on the Waveshare RP2040 "zero" controller "pcbR55xiaosd" - simplified, remixed, 55-key direct-soldered PCB based on the Seeed Xiao controller "pcbR64rp2040zerosd" - simplified, remixed, 64-key direct-soldered PCB based on the Waveshare RP2040 "zero" controller "pcbR64xiaosd" - simplified, remixed, 64-key direct-soldered PCB based on the Seeed Xiao controller "pcbR64nanosd" -…

Bumwings v001R55 rp2040zero sd, from the project README
From the project README

Bumwings v001R55 rp2040zero sd bill of materials (BOM)

111 components, 5 distinct parts.

QtyPartRefs
1
RP2040-Zero-phy
RZ1
46
SW_PUSH
SW0, SW1, SW2, SW4, SW5, SW6, SW7, SW8 +38
7
SW_PUSH
SW3, SW24, SW25, SW27, SW29, SW31, SW55
2
SW_PUSH
SW23, SW35
55
D
D0, D1, D2, D3, D4, D5, D6, D7 +47

Bumwings v001R55 rp2040zero sd design files

The KiCad project lives in the tubbytwins/bumwings-kbd repository on GitHub; these links point at the commit this page was built from.

Bumwings v001R55 rp2040zero sd: common questions

What microcontroller does the Bumwings v001R55 rp2040zero sd use?

The Bumwings v001R55 rp2040zero sd is built around the RP2040-Zero-phy, from the RP2040/RP2350 family.

How big is the Bumwings v001R55 rp2040zero sd PCB?

The Bumwings v001R55 rp2040zero sd measures 344.6 × 129.3 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Bumwings v001R55 rp2040zero sd?

111 components, from 5 distinct parts. The full bill of materials is listed on this page.

Where can I download the Bumwings v001R55 rp2040zero sd design files?

From the tubbytwins/bumwings-kbd repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Bumwings v001R55 rp2040zero sd design in my own project?

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

Can I test firmware for the Bumwings v001R55 rp2040zero sd 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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