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BoaN235/BioPad

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Jan 13, 2026
40d1654 · · Jan 13, 2026

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Jan 13, 2026
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BioPad

A 12 key macropad with a oled display and 5 LEDS uses KMK firmware. It is supposed to be a used during work to

Features

  • 128x32 OLED Display
  • KMK
  • 12 Keys
  • 4 Layers Currently
  • 5 LEDS

Cad Model

It fits with 4 M3 Bolts and it has 4 M1 Bolts to hold the pcb down. It has 3 parts the bottem the layer blocking the keys and top. image image

PCB

My PCB is 100mm by 58mm. I made it in Kicad image image

Firmware

I am using KMK to be able to hotswitch it to whatever people need. There is currently 3 layers Apps Vscode and Zoom. Each of those has hotkeys related to each app. The Apps layer types in Windows + R and adds the name of a website or app..

BOM

Evreything I am gonna use to make it if it isen't in the kit I have it myself

  • 12x Cherry MX Switches
  • 12x DSA Keycaps
  • 4x M3x5x4 Heatset inserts
  • 4x M3x16mm SHCS Bolts
  • 4x M1x5x4 Heatset inserts
  • 4x M1x16mm SHCS Bolts
  • 12x 1N4148 DO-35 Diodes.
  • 5x WS2812B LEDs
  • 1x 0.91" 128x32 OLED Display
  • 1x XIAO RP2040
  • 1x Case (3 printed parts I can print it myself)

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