Place the `20_usb_serial_logging.rpx` in the `[ENVIRONMENT]/modules/setup` folder and run the [EnvironmentLoader](https://github.com/wiiu-env/EnvironmentLoader).
Requires [MochaPayload](https://github.com/wiiu-env/MochaPayload) as a setup module in `[ENVIRONMENT]/modules/setup`.
Requires a USB serial cable with FTDI FT232 chipset (e.g. Digitus DA-70156) and [TeraTerm](https://ttssh2.osdn.jp/index.html.en), or similar serial terminal program.