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2 layers100 × 95.3 mmElurepad pcb, the printed circuit board in 3D

This project is meant for the Bluepring Competition!

Size
100 × 95.3 mm
Copper layers
2
Thickness
1.6 mm
Parts
29
Nets
21
Pads
95
Tracks, vias
157, 4
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
30 Nov 2025
Updated
3 Dec 2025

Overview

Elurepad pcb is an open-source printed circuit board by CodingRule, from the CodingRule/ElurePad-Blueprint repository on GitHub, published under the CC0-1.0 licence. It is a 2-layer board of 100 × 95.3 mm with 29 parts on 21 nets, routed with 157 tracks and 4 vias.

Its parts include 10 diodes, 10 switches, 1 IC and 1 connector. It belongs with the RP2040 boards of this library.

README

README.md

ElurePad-Bluepring

Started the project on 28th of November 2025

This project is meant for the Bluepring Competition!

BOM

IDComponentQTYPRICE
1Speed XIAO RP20401 piecekit
2Through-hole 1N4148 diode10 pieceskit
3MX-style switch10 pieceskit
40.91 inch OLED display (GND-VCC-SCL-SDA)1 piecekit
5Blank DSA keycap (white)11 pieceskit
6M3x16mm screw11 pieceskit
7M3 inserts11 pieceskit
83D printed case1 piecekit
9Custom PCB grant (LeadFree)5 pieces4.80$

PCB Custom JLCPCB

GO TO JOURNAL.md For journal and images

JOURNAL.md

#FOR BOM

bom.csv

PHOTOS

schematics

screws

Very basic

Parts

29
QtyValueFootprintReferences
10DDiode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD1, D2, D3, D4, D5, D6, D7, D8, D9, D10
10SW_Push_45degMX_Solderable:MX-Solderable-1USW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10
7MountingHole_3.2mm_M3MountingHole:MountingHole_3.2mm_M3SCREW, SCREW, SCREW, SCREW, SCREW, SCREW, SCREW
1OLED_DISPLAYConnector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_VerticalJ1
1Seeed Studio XIAO RP2040Seeed Studio XIAO Series Library:XIAO-Generic-Hybrid-14P-2.54-21X17.8MMU1

Questions

How big is the Elurepad pcb PCB?

It measures 100 × 95.3 mm and has 2 copper layers, 1.6 mm thick.

What parts does the Elurepad pcb 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 Elurepad pcb KiCad files?

From the CodingRule/ElurePad-Blueprint repository on GitHub, at the commit this page was made from: the board is PCB/elurepad_pcb.kicad_pcb and its schematic PCB/elurepad_pcb.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Elurepad pcb design in my own project?

Its repository publishes it under the CC0-1.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).

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