Wiring Diagram for sim racing Button Box - Project Guidance - Arduino Forum

This is somewhat of a cross post from SimHub. I hope that’s okay here as this is my first post and first time using an arduino. I recently purchased quite a few electronics from AliExpress to build a button box for my sim racing rig but I am having a hard time, however, making sense of the wiring. The button box I'm trying to build is based on this one and will have 15 2-post buttons, 1 NO/NC/C button, 7 2-way 3-post toggle switches and 7 rotary encoders that have CLK, DT, SW, + and GND pins. I

DIY Belt tensionner – SimHub, DIY Sim Racing Dash and Hardware

Wiring Diagram for sim racing Button Box - Project Guidance - Arduino Forum

Button box project - Questions about wiring and code - Project Guidance - Arduino Forum

Button Box Matrix Switch Help - Project Guidance - Arduino Forum

A Few DIY Button Box Questions

How to connect these LED buttons to an Arduino pro micro (buttonbox) - Project Guidance - Arduino Forum

Need help with wiring a 5pin metal push button with led - Project Guidance - Arduino Forum

Simracing Button Box Schematic Review : r/arduino

Need Some Help on Button Box. Someone who had done one or knows the awnser - Project Guidance - Arduino Forum

Free 3D file Arduino Button Box 📦・3D printable design to download・Cults

Help with button box : r/hotas