This Uses the Arduino/Teensy/Atmega Board to Emulate a Usb Controller That the Switch Is Able to Recognize and Record Key Presses From. the Nodemcu Is Used to Receive Udp Packets from the 3Ds, Interpret Them, and Send over Commands to the Arduino That Will in Turn Be Sent to the Switch as Key Presses, Circle Pad Movements Etc.

See Also This Guide (A Step by Step Guide for Ebith's Switch-Fightstick in Japanese).

This Software Is More of a Proof-of-Concept Than a Final Product.

Switch-Fightstick 3Ds - Gamebrew

By Robert Thorne

• Oct 8, 2026 • 3 min read

Direct Answer • Key Takeaway

Switch-Fightstick Is a Poc Program That Can Disguise a Microcontroller as Pokken Tournament Pro Pad (A Dedicated Controller for Wii U) and Enables the Switch to Be Operated from a 3Ds via the Microcontroller.

Robert Thorne

Automotive & Future Transportation Editor

Robert Thorne covers electric vehicle innovations, autonomous driving systems, global mobility trends, and automotive engineering developments.

Tags: Switch Fightstick 3DS