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UARTSwitchCon

ESP32 and Arduino (AVR) compatible, UART controlled Nintendo Switch controller emulators.

This is an amalgamation of the amazing works of Nathan Reeves and wchill.

Huge thanks to mizuyoukan-ao for figuring out v12 Switch Firmware support!

This gives users an easy to use UART interface to automate/control their Nintendo Switch with their computer/anything with a configurable UART port.

The ESP32 can act as a Left or Right Joy-Con, or a Pro Controller. (Wireless only)

  • Left Joy-Con is the recommended usage, as it has the least amount of fiddlyness.

A compatible USB-enabled AVR (Arduino Micro/ATMega32u4, ATMega16u2 (HoodLoader2? :3)) can act as a "HORIPAD S", which in turn acts like a Wired Pro Controller. (Wired only)

The protocol is described in Protocol.md. It is a carbon copy of SwitchInputEmulator's protocol, with the addition of SL and SR, and is used in both the ESP32 and AVR implementations.

This was made for ClubchatGames, and has a few compromises for that project in mind. However, this should be more than compatible with many other games on the Nintendo Switch.