How to connect and configure a guitar connected via V3 Wii/USB Adapter RCM on RPCS3.
Platform
Controller

NOTES

Do not map this controller!
Do NOT map this instrument via the "Pads" menu!
  • This is specifically for the [V3 Wii/USB Adapter WITH TILT by RetroCultMods]! Please consult your sales receipt to confirm that it is indeed a V3 Wii/USB Guitar Adapter WITH TILT by RetroCultMods.
    • You can use this page for reference for V1 and V2 Wii Adapters, but you won’t have tilt.

Setup

Before starting, be sure to [download the latest version of RCM Programming Tool].

Start up up RCM Programming Tool.

In the start screen, select your Device. It will usually show up as “V3 Adapter - Guitar (PS2/Emulation)”.
After that, click on “Configure” and wait for the progress bar to finish.

A screenshot of RCM Programming Tool's first screen. "`Selected Device`" is set to Raspberry Pi Pico and Input Type is set to "Directly Wired".

In “Controller Settings”, change the following:

  • Enable “Use USB Passthrough with RPCS3

A screenshot of RCM Programming Tool's Controller Settings. The settings reflect exactly what is above.

It’s also suggested you calibrate your Whammy to have the best experience. Scroll down to the Whammy section and calibrate it.

MAKE SURE YOU CLICK ON “Save Settings” before closing the program or you will lose progress!

A screenshot of RCM Programming Tool. The cursor is hovering over "Save Settings".

When you’re done, close RCM Programming Tool.

You can now launch Rock Band 3!

[Back to Controllers]

Research by [Lynxeption], [gonakil1ya], and [SquidBoy425 (Team Oceanman)].
Special thanks to [@amphobius] for additional pictures.