A1 Mini Friendly Sim Racing Button Plate

A compact Sim Racing Button Plate designed to be fully printable on Bambu Lab A1 Mini build volume.
The design keeps parts small and modular while maintaining a rigid structure once assembled.

This button plate supports 8 push buttons, 2 rotary encoders, and magnetic shifter paddles, making it suitable for many DIY sim racing wheel builds.

Features

• Designed for Bambu Lab A1 Mini compatible print size
• Supports 8× 12 mm push buttons
• Supports 2× EC11 rotary encoders
• Compatible with Arduino Pro Micro
• Magnetic shifter paddles
• USB-C connection via coiled cable
• Clean low-profile button layout
• Fully DIY friendly

Bill of Materials (BOM)

Hardware

• 5× M3x8mm flat head screws

Electronics

• 1× Arduino Pro Micro (Type-C)
• 2× EC11 rotary encoders
  https://www.aliexpress.com/item/1005005983134515.html
• 8× 12 mm push buttons
• 1x 8x1 WS2812 RGB LED 

USB Connection

• 1× Type-C male 4P connector
  https://www.aliexpress.com/item/1005005870466748.html
• 1× Type-C female 4P connector
  https://www.aliexpress.com/item/4000314458731.html
• 1× 3 m coiled USB-C cable

Shifter

• 1× Magnetic shifter paddle set
  https://www.aliexpress.com/item/1005008666478656.html