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2 layers62 × 43.9 mmSudo, the printed circuit board in 3D

A sayopad, but hacky, wacky and tacky

Size
62 × 43.9 mm
Copper layers
2
Thickness
1.6 mm
Parts
6
Nets
14
Pads
41
Tracks, vias
82, 1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
20 May 2026
Updated
22 Jun 2026

Overview

Sudo is an open-source printed circuit board by aahvl, from the aahvl/sudopad repository on GitHub, published under the MIT licence. It is a 2-layer board of 62 × 43.9 mm with 6 parts on 14 nets, routed with 82 tracks and 1 via.

Its parts include 4 switches, 1 IC and 1 connector.

README

README.md

SudoPad

A cyberpunk themed sayopad inspired device.

So I made this little cyberpunk themed macro pad, mostly because I wanted something dedicated for Geometry Dash and Osu!, but it also doubles as a pretty handy shortcut pad for normal desktop use. Here is the components thats made into it: An OLED screen for animations (bongo cat) or keys pressed! A rotary encoder (the knob) for volume and scrolling. 3 Cherry MX switches because you need that responsive feel for the rhythm games, or quick actions!.

The hardest part of the build This was my first time really messing around with Onshape to design the case. If you have ever done 3D modeling, you probably know the pain, but for me, the absolute worst part was figuring out filleting. Trying to round out the sharp edges so it didn't look like a literal brickwithout the software completely throwing an error and breaking the whole model, took way more trial and error than I care to admit.

But it finally came together, and it looks pretty clean.

{A4F30C59-0B65-4500-9837-322BEA9352E2} {A5B1848B-CDF3-4A2F-BEC1-DA52D7054186} {8C1C94D9-C6F1-4468-BECA-49554FA0857E}

Bill Of Materials

PCB: JLCPCB (£1.49 = jlcpcb.com) 3D Print: 3D People (£11 = https://www.3dmitech.co.uk/instant-quote)

OLED Display: AliExpress (link) Rotary Encoder: AliExpress (link) Cherry MX Switches: AliExpress (link) KeyCaps: AliExpress (link) Seeed Studio XIAO RP2040: AliExpress (link) {230F39C9-4D81-405F-ADC9-F85C4817876C} Full AliExpress Cart Image (subject to change from offsale items, etc) Total Price: £29.49

Parts

6
QtyValueFootprintReferences
1Key1Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1
1Key2Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW2
1Key3Button_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW3
1MOUDLE-SEEEDUINO-XIAOHackPad:XIAO-Generic-Hybrid-14P-2.54-21X17.8MMU1
1OLED_DISPConnector:FanPinHeader_1x04_P2.54mm_VerticalJ1
1RotaryEncoder_Switch_MPRotary_Encoder:RotaryEncoder_Alps_EC11E_Vertical_H20mmSW4

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Questions

How big is the Sudo PCB?

It measures 62 × 43.9 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Sudo use?

6 parts. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.

Where can I download the Sudo KiCad files?

From the aahvl/sudopad repository on GitHub, at the commit this page was made from: the board is sudo/sudo.kicad_pcb and its schematic sudo/sudo.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Sudo design in my own project?

Its repository publishes it under the MIT licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).