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A Custom ANSI 109 Mechanical Keyboard.

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Blueboard

A Custom ANSI 109 Keyboard. Featuring:

  • .91inch OLED display
  • Two Potentiomiters
  • 5 Macro Keys

https://blueprint.hackclub.com/projects/1084

Important Notes About this project

  • If a Component is listed as $0.00 it is already owned by me
  • The BOM says RP2040 But the Schematics say ESP-32 C3 this is because i change mcu mid project however the xiao modules pinout are identical.
  • My Journal.md is outdated but the one on the blueprint project is up todate. the bot seemed to stop updating it automaticly.

BOM

Alot of these components i or a freind has so i dont need to buy them and i can print the case my self.


PRICE QTY ITEM LINK
$0.00 x1 XIAO RP2040
$0.00 x2 MCP23017 GPIO Expander (SPDIP)
$0.00 x109 1N2007 (DO-35
$0.00 x2 Rotary Encoder Switches
$0.00 x1 .91inch OLED
------- ----- --Case------------- -----
$0.00 x1 3D Printed Case
------ ------ --Key's------------- -----
$24.00 x1 Key Cap Set LINK
$16.20 x109 Switches LINK
$3.68 x1 Key Stabalizers Set LINK
------- ------ PCB COSTS -------- ------
$33.40 x1 PCB
$18.63 x1 GSDL SHIPING
-$20 BP Coupon
------- ------ ------------------- ------
$75.91 TOTAL With Coupon
$95.91 TOTAL Without Coupon

Renders

Render2 Render1 Render5 Render4 Render3

Case

Screenshot 2025-11-24 014100 Screenshot 2025-11-24 014047 Screenshot 2025-11-24 014833 Screenshot 2025-11-24 014128

PCB

image image

Themeing

Blueboard is Themed and designed to my specific Liking. It features a Blue, Black and Brown Colour scheme. With a Zero RGB Aproach.

image keyboard-layout(2) blueboard image image

To Do

  • PCB
    • Deisign Schematic
      • Switches
      • RGB
      • OLED
      • Potentomiters
      • MCU
      • GPIO Expander
    • Design PCB
    • Add Artwork
  • Export BOM to CSV
  • Design Case
  • Complete BOM
  • Write Skeleton Firmware (KMK)
497498089-6dd5f2bd-8309-466f-af9c-b98fabe8da96

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A Custom ANSI 109 Mechanical Keyboard.

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