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2 layers152.4 × 38.1 mmCeleste hackpad, the printed circuit board in 3D

8-key macropad with ZXC, Enter, arrow keys. Features LEDs, OLED and rotary encoder.

Size
152.4 × 38.1 mm
Copper layers
2
Thickness
1.6 mm
Parts
29
Nets
37
Pads
121
Tracks, vias
342, 61
Pours
2
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
30 Nov 2025
Updated
5 Feb 2026

Overview

Celeste hackpad is an open-source printed circuit board by rayzchen, from the rayzchen/celeste-hackpad repository on GitHub. It is a 2-layer board of 152.4 × 38.1 mm with 29 parts on 37 nets, routed with 342 tracks and 61 vias.

Its parts include 17 diodes, 1 IC, 1 connector and 1 switch. It belongs with the keyboards and input boards and the RP2040 boards of this library.

README

README.md

Celeste Hackpad

8-key macropad with ZXC, Esc, arrow keys. Features LEDs, OLED and rotary encoder.

Schematic

Schematic diagram

PCB

PCB routing

CAD assembly

Components

Full case

BOM

  • 8x Cherry MX Switches
  • 8x DSA Keycaps
  • 9x Through-hole 1N4148 DO-35 Diodes
  • 8x SK6812 MINI-E LEDs
  • 1x 0.91" 128x32 OLED Display
  • 1x EC11 Rotary Encoder
  • 1x XIAO RP2040
  • 1x Case

Controls

To aid speedrunning Celeste, many key chords have been implemented.

  • Esc + Down arrow: F (bound to menu down and menu confirm)
  • Arrow keys + Esc: S (bound to crouch dash)
  • C + Up arrow: D (bound to second jump button)
  • Esc + Up arrow: Toggle LEDs
  • Esc + Left arrow: Alt+Tab
  • Z + Esc: Tab (bound to journal)

Parts

29
QtyValueFootprintReferences
9DDiode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD1, D2, D3, D4, D5, D6, D7, D8, D9
8MX_SK6812MINI-EMX:LED_MX_6028RLED1, LED2, LED3, LED4, LED5, LED6, LED7, LED8
8MX_SW_HSButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBMX1, MX2, MX3, MX4, MX5, MX6, MX7, MX8
1EC11XIAO:RotaryEncoder_Alps_EC11E-Switch_Vertical_H20mmSW9
1LOGOlocal:celeste_logoG***
1OLEDOLED:SSD1306-0.91-OLED-4pin-128x32J1
1XIAO-RP2040-SMDXIAO:XIAO-RP2040-SMDU1

Questions

How big is the Celeste hackpad PCB?

It measures 152.4 × 38.1 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Celeste hackpad use?

29 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 Celeste hackpad KiCad files?

From the rayzchen/celeste-hackpad repository on GitHub, at the commit this page was made from: the board is pcb/Celeste Hackpad.kicad_pcb and its schematic pcb/Celeste Hackpad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Celeste hackpad design in my own project?

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

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