#include <LiquidCrystal.h>

int TrigPin = 4;
int EchoPin = 2;
int LedPin = 32;
int i = 0;
bool FullBool = false;
LiquidCrystal lcd(12, 14, 27, 26, 25, 33);

void setup()
{
  Serial.begin(115200);
  lcd.begin(16, 2);
  pinMode(TrigPin, OUTPUT);
  pinMode(LedPin, OUTPUT);
  pinMode(EchoPin, INPUT);
  lcd.print("Hello World");
}

void loop()
{
  digitalWrite(TrigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(TrigPin, LOW);

  int duration = pulseIn(EchoPin, HIGH);
  if (duration / 58 < 50)
  {
    lcd.clear();
    lcd.print("Fulled");
    digitalWrite(LedPin, HIGH);
    lcd.setCursor(0, 1);
    lcd.print("Fulled times = ");
    lcd.print(i);
    FullBool = true;
  } else
  {
    if (FullBool)
    {
      i = i + 1;
      Serial.print("Full Times = ");
      Serial.print(i);
      Serial.println(" times");
      FullBool = false;
    }
    lcd.clear();
    lcd.print("Not full");
    digitalWrite(LedPin, LOW);
    lcd.setCursor(0, 1);
    lcd.print("Fulled times = ");
    lcd.print(i);
  }
  Serial.print("Distance: ");
  Serial.print(duration / 58);
  Serial.println("cm");

  delay(1000);
}