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2 layers67.1 × 55.6 mmSectropad, the printed circuit board in 3D

Helooooooooo Sectropad is a macropad with 4 keys one of them is 1.5 U it also has one rotary controller and one 0.91 inch oled screen. This is also my first time trying to make an pcb and using fusion.

Size
67.1 × 55.6 mm
Copper layers
2
Thickness
1.6 mm
Parts
12
Nets
22
Pads
69
Tracks, vias
107, 12
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
20 Dec 2025
Updated
25 Dec 2025

Overview

Sectropad is an open-source printed circuit board by SelimK1, from the SelimK1/Sectropad repository on GitHub. It is a 2-layer board of 67.1 × 55.6 mm with 12 parts on 22 nets, routed with 107 tracks and 12 vias.

Its parts include 5 diodes, 5 switches, 1 IC and 1 connector. It belongs with the RP2040 boards of this library.

README

README.md

Sectropad

Helooooooooo Sectropad is a macropad with 4 keys one of them is 1.5 U it also has one rotary controller and one 0.91 inch oled screen. This is also my first time trying to make an pcb and using fusion. It was hard to use fusion because i was really unfamiliar with the app since im normally using blender. This took way too long than i expected because i ahd to remake my case twice because my measurements wasnt correct.

Case

Screenshot 2025-12-20 171530
Screenshot 2025-12-20 171523
Screenshot 2025-12-20 171503
Screenshot 2025-12-20 175307
Screenshot 2025-12-22 130438
Screenshot 2025-12-20 175331
Screenshot 2025-12-20 175200
Screenshot 2025-12-20 175314

Pcb

Screenshot 2025-12-20 175402
Screenshot 2025-12-20 175354
Screenshot 2025-12-20 173931
Screenshot 2025-12-22 130715

Schematic

Screenshot 2025-12-22 125146

BOM

  • 4x SW Cherry MX Switches
  • 5x 1N4148 Diodes
  • 1x EC11 Rotary Encoder
  • 1x Bottom of the Case (3D Printed in White)
  • 1x Middle of the Case (3D Printed in Black)
  • 1x Top of the Case (3D Printed in Black)
  • 1x Plate (3D Printed in White)
  • 1x Knob (3D Printed in Black)
  • 3x Blank White Keycaps (1u size)
  • 1x Blank Gray Keycap (1.5u size)
  • 1x 0.91 inch OLED Display
  • 4x M3x16mm Screws
  • 4x M3x5mm x 4mm Heatset Inserts
  • 1x Xiao Seed RP2040
  • 1x PCB

Parts

12
QtyValueFootprintReferences
51N4148Diode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD3, D4, D5, D6, D7
3SW_Push_45degButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW5
1Conn_01x04_PinConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ1
1RotaryEncoder_Switch_MPRotary encoder:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mmSW4
1SW_Push_45degButton_Switch_Keyboard:SW_Cherry_MX_1.50u_PCBSW6
1XIAO-RP2040-DIPOPL:XIAO-RP2040-DIPU2

Questions

How big is the Sectropad PCB?

It measures 67.1 × 55.6 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Sectropad use?

12 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 Sectropad KiCad files?

From the SelimK1/Sectropad repository on GitHub, at the commit this page was made from: the board is PCB/Sectropad.kicad_pcb and its schematic PCB/Libraries/OPL_Kicad_Library-master/Grove Vision AI V2 Library/Grove - Vision AI Module V2.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Sectropad design in my own project?

Its repository states no licence, so its author keeps all rights: ask SelimK1 before reusing the design.

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