HardLabs

Keyboard

qwel-exe·keyboard

Keyboard PCB layout, top view — open source RP2040/RP2350 board by qwel-exe

About the Keyboard PCB

Keyboard is an open source RP2040/RP2350 PCB design by qwel-exe, published on GitHub. It is a 2-layer board measuring 319.5 × 129 mm, with 251 components from 13 distinct parts.

Its main chip is the Raspberry_Pi_Pico, from the RP2040/RP2350 family. By type, the board carries 83 switches, 82 diodes, 82 inductors, 2 resistors, 1 IC and 1 transistor.

It belongs with the keyboards designs in this gallery.

Main components on the Keyboard

Raspberry_Pi_Pico

Keyboard bill of materials (BOM)

251 components, 13 distinct parts.

QtyPartRefs
1
Raspberry_Pi_Pico
U1
1
BSS138
Q1
71
Keyswitch
S1, S2, S3, S4, S5, S6, S7, S8 +63
1
Keyswitch
S28
2
Keyswitch
S30, S43
2
Keyswitch
S45, S70
2
Keyswitch
S57, S59
3
Keyswitch
S73, S74, S75
1
Keyswitch
S76
1
RotaryEncoder_Switch
SW1
82
1N4148WT
D1, D2, D3, D4, D5, D6, D7, D8 +74
82
LED_SK6812MINI
L1, L2, L3, L4, L5, L6, L7, L8 +74
2
10k
R1, R2

Keyboard design files

The KiCad project lives in the qwel-exe/keyboard repository on GitHub; these links point at the commit this page was built from.

Keyboard: common questions

What microcontroller does the Keyboard use?

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

How big is the Keyboard PCB?

The Keyboard measures 319.5 × 129 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Keyboard?

251 components, from 13 distinct parts. The full bill of materials is listed on this page.

Where can I download the Keyboard design files?

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

Can I use the Keyboard design in my own project?

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

Can I test firmware for the Keyboard 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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