Arduino Code.txt

// Include the libraries we need
#include <OneWire.h>
#include <DallasTemperature.h>

// Data wire is plugged into port 2 on the Arduino
#define ONE_WIRE_BUS 12

// Setup a oneWire instance to communicate with any OneWire devices (not just Maxim/Dallas temperature ICs)
OneWire oneWire(ONE_WIRE_BUS);

// Pass our oneWire reference to Dallas Temperature.
DallasTemperature sensors(&oneWire);

int PhPin = A0;
int TurbidityPin = A1;
int FlowPin = A2;
float PhVolt;
float PhAct;
float PhAvg = 0.0;
float TempValue;
float TurbidityVolt;
float ntu;
int Button = 0;
int X;
int Y;
float TIME = 0;
float FREQUENCY = 0;
float WATER = 0;
float TOTAL = 0;
float LS = 0;

void setup() {
  pinMode(10, INPUT); //Button Pin
  pinMode(PhPin, INPUT);
  pinMode(FlowPin, INPUT);
  pinMode(TurbidityPin, INPUT);
  Serial.begin(115200);
  while (!Serial);
  // Start up the library
  sensors.begin();
}


void loop() {
  
  Button = 0;
  while (Button == 0)
    Button = digitalRead(10);

  //PH code
  for (int i = 0; i < 20; i++)
  {
    PhVolt = analogRead(PhPin);
    PhVolt = (PhVolt * 5) / 1024;
    PhAct = -5.7 * PhVolt + (21.34 - 0.7);
    PhAvg += PhAct;
   // delay(200);
  }
  PhAvg /= 20;
  Serial.println(PhAvg);




  //Temperature Code
  // call sensors.requestTemperatures() to issue a global temperature
  // request to all devices on the bus
  // Serial.print("Requesting temperatures...");
  sensors.requestTemperatures(); // Send the command to get temperatures
  //  Serial.println("DONE");
  // After we got the temperatures, we can print them here.
  // We use the function ByIndex, and as an example get the temperature from the first sensor only.
  //   Serial.print("Temperature for the device 1 (index 0) is: ");
  TempValue = sensors.getTempCByIndex(0);
  Serial.println(TempValue);
  //delay(200);


  //Turbidity Code
  TurbidityVolt = 0;
  for (int i = 0; i < 800; i++)
  {
    TurbidityVolt += ((float)(analogRead(TurbidityPin)) * 5) / 1024;
  }
  TurbidityVolt = TurbidityVolt / 800;
  TurbidityVolt = round_to_dp(TurbidityVolt, 2);
  if (TurbidityVolt < 2.5)
  {
    ntu = 3000;
  }
  else
  {
    TurbidityVolt *= (4.2 / 3.7);
    ntu = -1120.4 * square(TurbidityVolt) + 5742.3 * TurbidityVolt - 4353.8;
  }
  //Serial.println(TurbidityVolt);
  Serial.println(ntu);
 // delay(200);

  //Water Flow Code
  X = pulseIn(FlowPin, HIGH);
  Y = pulseIn(FlowPin, LOW);
  TIME = X + Y;
  FREQUENCY = 1000000 / TIME;
  WATER = FREQUENCY / 7.5;
  LS = WATER / 60;
  if (FREQUENCY >= 0)
  {
    if (isinf(FREQUENCY))
    {
      //Serial.println();
      //Serial.println("VOL. : 0.00");
      Serial.println(0);
      //Serial.print("TOTAL: ");
      Serial.println(TOTAL);
      //Serial.print(" L");
      //Serial.println();
    }
    else
    {
      TOTAL = TOTAL + LS;
      //Serial.println();
      //Serial.println(FREQUENCY);
      //Serial.print("VOL. : ");
      Serial.println(WATER);
      //Serial.print(" L/M");
      //Serial.println();
      //Serial.print("TOTAL: ");
      Serial.println(TOTAL);
      //Serial.print(" L");
      //Serial.println();
    }
  }
 // delay(200);

}


float round_to_dp( float in_value, int decimal_place )
{
  float multiplier = powf( 10.0f, decimal_place );
  in_value = roundf( in_value * multiplier ) / multiplier;
  return in_value;
}