around line 1000 in config....h
/**
* Multiple Probing
*
* You may get improved results by probing 2 or more times.
* With EXTRA_PROBING the more atypical reading(s) will be disregarded.
*
* A total of 2 does fast/slow probes with a weighted average.
* A total of 3 or more adds more slow probes, taking the average.
*/
//#define MULTIPLE_PROBING 2
//#define EXTRA_PROBING 1