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4 layers80 × 80 mmNum Pad, the printed circuit board in 3D

Num Pad

Choccy-vr/BeanPad2

A modular magnetic macro pad

Full screenGitHub.kicad_pcb
Size
80 × 80 mm
Copper layers
4
Thickness
1.6 mm
Parts
30
Nets
28
Pads
132
Tracks, vias
177, 6
Pours
1
Routed
Yes
KiCad
KiCad 9.0 (file 20241229)
Created
9 Jun 2025
Updated
7 Sep 2025

Overview

Num Pad is an open-source printed circuit board by Choccy-vr, from the Choccy-vr/BeanPad repository on GitHub. It is a 4-layer board of 80 × 80 mm with 30 parts on 28 nets, routed with 177 tracks and 6 vias.

Its parts include 12 diodes, 12 switches, 4 connectors and 1 IC. It belongs with the keyboards and input boards and the RP2040 boards of this library.

README

README.md

BeanPad

A modular magnetic macro pad. Use many different modules to make the macro pad of your dreams. Modify the macros.json for a custom keymap.

I built this originally as a buffer for my main project but it has since taken over it. The idea came from other snap-fit modular systems and thought it was cool. I originally was just going to make a hack pad but it quickly grew into this. I also built this in case my other project doesn't get finished in time for undercity.

Images

PCB

Screenshot 2025-06-09 151724.png

Case

Screenshot 2025-06-16 152040.png

Firmware (Really nothing to see here)

Item:Quanity: (If Items come in sets amount of sets)Source:Cost:Total
Screws1(50pcs)https://www.aliexpress.us/item/3256802339245383.html?spm=a2g0o.cart.0.0.7a1938daQ49wN7&mp=1&pdp_npi=5%40dis%21USD%21USD%201.46%21USD%201.41%21%21USD%201.41%21%21%21%402103273e17501073692076879ef915%2112000021000038128%21ct%21US%213108417632%21%211%210&_gl=1*ga8tl1*_gcl_au*NDM2NDExMDYwLjE3NDk1NzAxOTM.*_ga*Nzg5NDk5ODkzLjE3NTAxMDU1ODU.*_ga_VED1YSGNC7*czE3NTAxMDU1ODQkbzEkZzEkdDE3NTAxMDczNzAkajUxJGwwJGgw&gatewayAdapt=glo2usa$1.50
Heat Set Inserts1(50pcs)https://www.aliexpress.us/item/3256807466816961.html?spm=a2g0o.cart.0.0.7a1938daQ49wN7&mp=1&pdp_npi=5%40dis%21USD%21USD%202.02%21USD%201.93%21%21USD%201.93%21%21%21%402103273e17501073692076879ef915%2112000041667111488%21ct%21US%213108417632%21%211%210&_gl=1*ga8tl1*_gcl_au*NDM2NDExMDYwLjE3NDk1NzAxOTM.*_ga*Nzg5NDk5ODkzLjE3NTAxMDU1ODU.*_ga_VED1YSGNC7*czE3NTAxMDU1ODQkbzEkZzEkdDE3NTAxMDczNzAkajUxJGwwJGgw&gatewayAdapt=glo2usa$2
Diodes1(100pcs)https://www.aliexpress.us/item/2255799955957794.html?spm=a2g0o.cart.0.0.7a1938daQ49wN7&mp=1&pdp_npi=5%40dis%21USD%21USD%201.42%21USD%201.42%21%21USD%201.39%21%21%21%402103273e17501073692076879ef915%2110000000428321629%21ct%21US%213108417632%21%211%210&_gl=1*ga8tl1*_gcl_au*NDM2NDExMDYwLjE3NDk1NzAxOTM.*_ga*Nzg5NDk5ODkzLjE3NTAxMDU1ODU.*_ga_VED1YSGNC7*czE3NTAxMDU1ODQkbzEkZzEkdDE3NTAxMDczNzAkajUxJGwwJGgw&gatewayAdapt=glo2usa$1
Cherry MX Switches1(30pcs)https://www.aliexpress.us/item/3256806069646359.html?spm=a2g0o.cart.0.0.7a1938daQ49wN7&mp=1&pdp_npi=5%40dis%21USD%21USD%2019.50%21USD%2018.55%21%21USD%2018.55%21%21%21%402103273e17501073692076879ef915%2112000036489552474%21ct%21US%213108417632%21%211%210&_gl=1*xvozit*_gcl_au*NDM2NDExMDYwLjE3NDk1NzAxOTM.*_ga*Nzg5NDk5ODkzLjE3NTAxMDU1ODU.*_ga_VED1YSGNC7*czE3NTAxMDU1ODQkbzEkZzEkdDE3NTAxMDczNzckajQ0JGwwJGgw&gatewayAdapt=glo2usa$19
Rotary Encoders2https://www.aliexpress.us/item/3256805010555504.html?spm=a2g0o.cart.0.0.7a1938daQ49wN7&mp=1&pdp_npi=5%40dis%21USD%21USD%201.59%21USD%201.57%21%21USD%201.57%21%21%21%402103273e17501073692076879ef915%2112000032095591035%21ct%21US%213108417632%21%212%210&_gl=1*b3zsk7*_gcl_au*NDM2NDExMDYwLjE3NDk1NzAxOTM.*_ga*Nzg5NDk5ODkzLjE3NTAxMDU1ODU.*_ga_VED1YSGNC7*czE3NTAxMDU1ODQkbzEkZzEkdDE3NTAxMDczNzgkajQzJGwwJGgw&gatewayAdapt=glo2usa$3
KeyCaps2(24pcs)https://www.aliexpress.us/item/3256802719703092.html?spm=a2g0o.cart.0.0.7a1938daQ49wN7&mp=1&pdp_npi=5%40dis%21USD%21USD%204.15%21USD%203.86%21%21USD%203.62%21%21%21%402103273e17501073692076879ef915%2112000025975791590%21ct%21US%213108417632%21%212%210&_gl=1*b3zsk7*_gcl_au*NDM2NDExMDYwLjE3NDk1NzAxOTM.*_ga*Nzg5NDk5ODkzLjE3NTAxMDU1ODU.*_ga_VED1YSGNC7*czE3NTAxMDU1ODQkbzEkZzEkdDE3NTAxMDczNzgkajQzJGwwJGgw&gatewayAdapt=glo2usa$7
Pogo Connectors3(9 pairs)https://www.aliexpress.us/item/3256806345459324.html?spm=a2g0o.detail.0.0.9f08fUkJfUkJyL&mp=1&pdp_npi=5%40dis%21USD%21USD%206.80%21USD%206.80%21%21USD%206.80%21%21%21%402103273e17501073828027372ef915%2112000045728213793%21ct%21US%213108417632%21%213%210&_gl=1*1iabbhw*_gcl_au*NDM2NDExMDYwLjE3NDk1NzAxOTM.*_ga*Nzg5NDk5ODkzLjE3NTAxMDU1ODU.*_ga_VED1YSGNC7*czE3NTAxMDU1ODQkbzEkZzEkdDE3NTAxMDc3MDAkajE2JGwwJGgw&gatewayAdapt=glo2usa$21
Soldering Iron1https://www.aliexpress.us/item/3256806823950124.html?spm=a2g0o.cart.0.0.7a1938daQ49wN7&mp=1&pdp_npi=5%40dis%21USD%21USD%2019.24%21USD%207.89%21%21USD%207.89%21%21%21%402103273e17501073692076879ef915%2112000039050811400%21ct%21US%213108417632%21%211%210&_gl=1*y42j40*_gcl_au*NDM2NDExMDYwLjE3NDk1NzAxOTM.*_ga*Nzg5NDk5ODkzLjE3NTAxMDU1ODU.*_ga_VED1YSGNC7*czE3NTAxMDU1ODQkbzEkZzEkdDE3NTAxMDczODEkajQwJGwwJGgw&gatewayAdapt=glo2usa$8
XIAO Rp2040s2 (6pcs)https://www.seeedstudio.com/Seeed-Studio-XIAO-RP2040-3PCS-p-5942.html$27
PCBs4https://www.pcbway.com/$47.84
Total$148.23 (Includes Shipping and Taxes)

Parts

30
QtyValueFootprintReferences
12D_SmallDiode_THT:D_DO-35_SOD27_P7.62mm_HorizontalD1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12
12SW_Push_45degButton_Switch_Keyboard:SW_Cherry_MX_1.00u_PCBSW1, SW2, SW3, SW4, SW5, SW6, SW7, SW8, SW9, SW10, SW11, SW12
4Male_Pogo_Connector_01x05Connector_PinHeader_2.54mm:PinHeader_1x05_P2.54mm_VerticalJ1, J2, J3, J4
1LOGOLOGOG***
1XIAO-RP2040-DIPModule:XIAO-RP2040-DIPU1

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Questions

How big is the Num Pad PCB?

It measures 80 × 80 mm and has 4 copper layers, 1.6 mm thick.

What parts does the Num Pad use?

30 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 Num Pad KiCad files?

From the Choccy-vr/BeanPad repository on GitHub, at the commit this page was made from: the board is PCBs/Num-Pad/Num-Pad.kicad_pcb and its schematic PCBs/Base/BeanPad.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the Num Pad design in my own project?

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