#include <Wire.h>
#include <LiquidCrystal_I2C.h>
//#include <virtuabotixRTC.h>
virtuabotixRTC myRTC(10, 11, 12);

LiquidCrystal_I2C lcd(0x3F, 16, 2);



long duration, distance;
int percentage;
const int push = 5;
const int trigpin = 2;
const int echopin = 4;
const int relay = 10;
void setup() {

  lcd.init();
  lcd.backlight();
  lcd.print("WATER LEVEL:");
  lcd.setCursor(0, 1);
  lcd.print("PUMP:OFF MANUAL");
  pinMode(relay, OUTPUT);
  pinMode(trigpin, OUTPUT);
  pinMode(echopin, INPUT);
  pinMode(push, INPUT);

  // Set the current date, and time in the following format:
  // seconds, minutes, hours, day of the week, day of the month, month, year
  //myRTC.setDS1302Time(15, 26, 14, 7, 15, 4, 2023); //Here you write your actual time/date as shown above
  //but remember to "comment/remove" this function once you're done
  //The setup is done only one time and the module will continue counting it automatically



  /*lcd.clear();  //Here after clearing the LCD we take the time from the module and print it on the screen with usual LCD functions
  myRTC.updateTime();
  lcd.setCursor(0, 0);
  lcd.print("date: ");
  lcd.print(myRTC.dayofmonth);
  lcd.print("/");
  lcd.print(myRTC.month);
  lcd.print("/");
  lcd.print(myRTC.year);
  lcd.setCursor(0, 1);
  lcd.print("time: ");
  lcd.print(myRTC.hours);
  lcd.print(":");
  lcd.print(myRTC.minutes);
  lcd.print(":");
  lcd.print(myRTC.seconds);
  lcd.setCursor(0, 1);
  lcd.print("Water Level");
  delay(1000);*/
}
void loop() {
  int set_val = 200;
  digitalWrite(trigpin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigpin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigpin, LOW);
  duration = pulseIn(echopin, HIGH);
  distance = duration * 0.034 / 2;

  percentage = ((set_val - distance) * 100) / set_val;
  lcd.clear();  //Here after clearing the LCD we take the time from the module and print it on the screen with usual LCD functions
  lcd.setCursor(0, 0);
  lcd.print("water level: ");
  lcd.print(percentage);
  if (percentage < 30) {
    digitalWrite(relay, LOW);
  } else if (percentage > 95) {
    digitalWrite(relay, HIGH);
  }
}