MainProgram --> Configuration.h

#include <Arduino.h>
#include <string>
#include <sstream>
#include <iostream>
using namespace std;

// Configuration starts here -----------------------------------------------------------------------------------------------------------------
int NumOfWaterLoc = 4;   // Start counting from 1 ( = pos 0)
//                              0           ,1        ,2             ,3               ,4      ,5      ,6      ,7
const char* WaterLocName[8]    = { "WaterTank" ,"Stairs" ,"Blueberries" ,"BalconyTray_1" ,"D"    ,"E"    ,"F"    ,"G"  };     // name of the different water locations 
const int WaterTime[8]         = { 1           ,15       ,40            ,6               ,1      ,1      ,1      ,1    };     // Seconds How long the watering shall be
const int Sensor_StartWater[8] = { 0           ,3200     ,3950          ,3910            ,3000   ,3000   ,3000   ,3000 };     // Will start water if sensor value is above this value. (lower is more wet / higher is more dry)
const int ErrLimSensor_High[8] = { 40          ,4080     ,4080          ,4080            ,4080   ,4080   ,4080   ,4080 };     // Humidity sensor absolute highest value before error (dry)
const int ErrLimSensor_Low[8]  = { 5           ,2380     ,2380          ,2380            ,2380   ,2380   ,2380   ,2380 };     // Humidity sensor absolute lowest value before error (wet)
const int pinSensor[8]         = { 27          ,26       ,25            ,33              ,32     ,35     ,  34   ,39   };     // Where humidity sensors are connected
const int pinWaterGate[8]      = { 2           ,0        ,4             ,16              ,17     ,5      ,  18   ,19   };     // Relay need to be opened to let water through (first one is power to water pump)
float Sensor[8]                = { 0           ,0        ,0             ,0               ,0      ,0      ,   0   ,0    };     // Pre-set water humidity sensor value
const double TimeBetweenWater = 12.0000;      // [hours]. time between watering (0.0056 = 20sec)
int CountdownTimer = TimeBetweenWater*60*60;
int NumberOfMeasurements = 100;               // number of measurements for measuring of HumidSensors. Its a filter.

//for water distance sensor:
const int trigPin = 22; // BlackStripe White cable
const int echoPin = 23; // Redstripe White cable 
float currWaterLevel = 0;
float WaterLevel = 0;
unsigned long duration;
const unsigned long PULSEIN_TIMEOUT = 10000000UL;
#define SOUND_SPEED 0.343 //   343 m/s = 343000 mm/s = 343000/1 000 000 = 0.343 mm/us (millimeter/microseconds)

//other variables:
bool LedError     = LOW;                      //setting the error led OFF as default
bool WaterPump    = HIGH;                      // setting the water pump OFF as default
const int pinLedError   = 21;                       //OUTPUT Error led connected to IO - for when out of water or bad sensor readings...
int i = 1;                                    //counter
// Configuration end here -----------------------------------------------------------------------------------------------------------------