mhsw-espurna/code/espurna/config/all.h

#include "version.h"
#include "arduino.h"
#include "prototypes.h"
#include "hardware.h"
#include "general.h"
#include "sensors.h"

/*
    If you want to modify the stock configuration but you don't want to touch
    the repo files you can uncomment the following line and add a "custom.h"
    file to this same folder.
    Check https://bitbucket.org/xoseperez/espurna/issues/104/general_customh
    for an example on how to use this file.
*/
//#include "custom.h"