HardLabs

Oxide keys

ttdgp6b7sy-ai·oxide-keys·hardware/pcb/pcbfirstdesign.kicad_pcb

Oxide keys PCB layout, top view — open source Raspberry Pi board by ttdgp6b7sy-ai

About the Oxide keys PCB

Oxide keys is an open source Raspberry Pi PCB design by ttdgp6b7sy-ai, published on GitHub. It is a 4-layer board measuring 97.8 × 91.5 mm, with 27 components from 11 distinct parts.

Its main chip is the RaspberryPi_Pico_W, from the Raspberry Pi family. Other key parts include the CR2013-MI2120, TP4056-42-ESOP8 and AP2112K-3.3. By type, the board carries 8 switches, 8 diodes, 3 ICs, 2 capacitors, 2 resistors and 1 module.

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

From the project

A mini game console with 8 keys and a display, which has the ability to play very simple games to kill time and also a fun way to integrate Rust (the language I am learning). The hardware is mainly composed of an 8-key mini game player with rotary encoder, LCD display that folds

A mini game console with 8 keys and a display, which has the ability to play very simple games to kill time and also a fun way to integrate Rust (the language I am learning). The hardware is mainly composed of an 8-key mini game player with rotary encoder, LCD display that folds on a hinge, and RGB underglow on the Raspberry Pi Pico W, where I aim to include as much Rust as I can in this project.

Oxide keys, from the project README
From the project README

Main components on the Oxide keys

CR2013-MI2120TP4056-42-ESOP8AP2112K-3.3RaspberryPi_Pico_W

Oxide keys bill of materials (BOM)

27 components, 11 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
CR2013-MI2120
U2
1
TP4056-42-ESOP8
U3
1
AP2112K-3.3
U4
1
RaspberryPi_Pico_W
A1
1
USB_B_Micro
J1
1
Buzzer
BZ1
1
RotaryEncoder
RE1
8
SW_Push
SW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8
8
SK6812MINI
D1, D2, D3, D4, D5, D6, D7, D8
2
C
C2, C4
2
R
R3, R4

Oxide keys design files

The KiCad project lives in the ttdgp6b7sy-ai/oxide-keys repository on GitHub; these links point at the commit this page was built from.

Oxide keys: common questions

What microcontroller does the Oxide keys use?

The Oxide keys is built around the RaspberryPi_Pico_W, from the Raspberry Pi family.

How big is the Oxide keys PCB?

The Oxide keys measures 97.8 × 91.5 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Oxide keys?

27 components, from 11 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 Oxide keys design files?

From the ttdgp6b7sy-ai/oxide-keys 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 Oxide keys design in my own project?

The repository has no license, so all rights stay with ttdgp6b7sy-ai. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the Oxide keys without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Raspberry Pi firmware against it before you order a PCB.

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