#include <EEPROM.h>
#include <Wire.h>
int voltage_p=A0;
int current_p=A1;
int pressure_p=A2;
double v,p,psi;
void setup() {
  // put your setup code here, to run once:
  
  Serial.begin(2000);

  pinMode(voltage_p, INPUT);
  pinMode(current_p, INPUT);
  pinMode(pressure_p, INPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(2, OUTPUT); 

    EEPROM.write(0,80);//kw
    EEPROM.write(1,60);//V
    EEPROM.write(2,20);//psi
    delay(500);
    p=EEPROM.read(0);
    v=EEPROM.read(1);psi=EEPROM.read(2);  
    Serial.println(p);
     Serial.println(v); Serial.println(psi);
}

void loop() {
  // put your main code here, to run repeatedly:
  
  double v1=analogRead(voltage_p)*5/1023;
  //here psi1 is not found hence the voltage from arduino is used as an anology for the value of psi1
  double psi1=analogRead(pressure_p)*5/1023;
  //assuming relay is in normally closed mode(com,nc are connected to the device)
  double p1=v1*v1/10;//the p1(power)is found by assuming a resistor is in place.
  if(p1>p)
  {
    digitalWrite(3,HIGH);
  }
  else
    digitalWrite(3, LOW);
    delay(50);
  if(v1>v)//LED
  {
    digitalWrite(2, HIGH);
  }
  else
    digitalWrite(2, LOW);
  delay(50);
  if(psi1<psi)//the deviced used for this is a buzzer
  {
    digitalWrite(4, HIGH);
  }
  else
    digitalWrite(4, LOW);
  delay(1000);
   Serial.println(p1); Serial.println(v1); Serial.println(psi1);
}