#include <Servo.h>
#include <LiquidCrystal_I2C.h>
  
const int t1 = 3;
const int e1 = 2;
const int t2 = 11;
const int e2 = 10;
const int b = 12;
int jsampah;
int tangan;
LiquidCrystal_I2C lcd(0x27, 16, 2);
Servo s;  

void setup() {
  pinMode(t1, OUTPUT);
  pinMode(t2, OUTPUT);
  pinMode(e1, INPUT);
  pinMode(e2, INPUT);
  pinMode(b, OUTPUT);
  Serial.begin(9600);
  s.attach(13);
  lcd.init();                      
  lcd.backlight(); 
  lcd.print("XIA OFFICIAL");
}

void loop() {
  digitalWrite(t1, LOW);
  delayMicroseconds(2);
  digitalWrite(t1, HIGH);
  delayMicroseconds(10);
  digitalWrite(t1, LOW);
  long duration1 = pulseIn(e1, HIGH);
  int Jrk1 = duration1 / 58;

  digitalWrite(t2, LOW);
  delayMicroseconds(2);
  digitalWrite(t2, HIGH);
  delayMicroseconds(10);
  digitalWrite(t2, LOW);
  long duration2 = pulseIn(e2, HIGH);
  int tangan = duration2 / 58;
  Serial.println(Jrk1); 
  Serial.println(tangan);
int i;
  if (Jrk1<100) {
    Serial. println("sampah full");
    tone(b, 100);
    s.write(90);
    lcd. setCursor(0,1);
    lcd. print("sampah penuh");
    delay(100);
  }
  else {
  if (Jrk1>100){
  noTone(b);
   if (tangan<100) {
     Serial.println("ada tangan");           
     s.write(0);
    lcd.setCursor(0, 1);
     lcd.print("silakan nyampah");
     delay(100);
   }
   else {
     if (tangan>100) {
     Serial.println("sleep");
     s.write(90);
    lcd.setCursor(0, 1);
     lcd.print("trash colector");
     delay(100);
     }
   }      
  }
  }
}