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BigNum - Hotswap & handwired Numpad / Macropad 3D Printer File Image 1
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BigNum - Hotswap & handwired Numpad / Macropad

Pokzy avatarPokzy

November 25, 2024

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Description

UPDATES : 

  • 29/09/2024 : 
    • Vial file “big_num_vial.uf2” added.

____________________________________________________________________

Context:

BigNum is part of a series of projects I've recently started, all focused on custom mechanical keyboards. These projects include a variety of keycap sets, this numpad, and soon, an ISO105 keyboard and a 75% keyboard.

Description : 

BigNum is a 3D-printed numpad/macropad designed for those who enjoy DIY projects and customizing their tools.

This project offers two versions: one with hotswap sockets, perfect for easily swapping out switches, and another with directly soldered switches for a more permanent build.

You can configure each key using Vial, a software that allows you to tailor the key functions to your needs.

Whether you’re looking to create a simple numpad or a more complex macropad, BigNum can adapt to your preferences.

 

The project includes all necessary files for 3D printing and a detailed assembly guide to walk you through each step.

 

Features:

  • Two mounting options: hotswap or direct soldering.
  • Key customization with Vial.
  • 3MF files and assembly guide included.

I highly recommend following the PDF guides in addition to the video. There is a guide available for each version of the BigNum.

  • PDF for hotswap version
  • PDF for handwired version

These following lists include everything you’ll need to assemble the BigNum, with options for customization.

3D Printed Parts:

  • Case (2 versions)
  • Switch plate (2 versions)
  • Hotswap plate
  • Back plate (2 versions)
  • Feet (21mm and 17mm)
  • RP2040 Zero container
  • Keycaps set with markings and multicolor
  • Blank keycaps set
  • Encoder knob

Components to Purchase:

  • 1x RP2040 Zero Unwelded: Aliexpress Link ; Amazon Link
  • 25x 1N4148 DO-35 Diodes: Aliexpress Link ; Amazon Link
  • 24x Kailh Hot Swap Sockets: Aliexpress Link ; Amazon Link
  • 1x Rotary encoder 15mm Plum: Aliexpress Link
  • 24x MX Switches: Aliexpress Link
  • 3x 2u Stabilizers (optional): Aliexpress Link
  • 13x Heat insert M2xL3xOD3.2: Aliexpress Link
  • 9x M2-10mm + 8x M2-5mm Screws: Aliexpress Link
  • Heat Shrink Tube: Aliexpress Link
  • Ø1.2mm Copper Wire: Aliexpress Link
  • 10m Single Copper Wire 24AWG: Aliexpress Link
  • 6x Self-adhesive Rubber Damping 10mmx3mm: Aliexpress Link

Share your builds and ideas to improve BigNum. This project is meant to grow and evolve with your needs and creativity.

License:

Creative Commons — Attribution — Noncommercial — Share Alike

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