Customization~

The file include\user_config_override-template.h lists the options you have to customize your build. Settings applied here will act as factory defaults in the firmware. Some of the available possibilities are:

Copy it to include\user_config_override.h and change the settins per your needs.
Also uncomment -DUSE_CONFIG_OVERRIDE in platformio_override.ini to ensure that the config overrides are taken into account during the compilation process.