#define ECHO_PIN 11
#define TRIG_PIN 10
#define ECHO1_PIN 13
#define TRIG1_PIN 12


#include <Servo.h>
#include <LiquidCrystal.h>

Servo myservo;  
LiquidCrystal lcd(7, 6, 5, 4, 3, 2);

int potpin = 0;  
int val;    

float readDistanceCM() {
  digitalWrite(TRIG_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  int duration = pulseIn(ECHO_PIN, HIGH);
  return duration * 0.034 / 2;
}
float readDistance1CM() {
  digitalWrite(TRIG1_PIN, LOW);
  delayMicroseconds(2);
  digitalWrite(TRIG1_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG1_PIN, LOW);
  int duration1 = pulseIn(ECHO1_PIN, HIGH);
  return duration1 * 0.034 / 2;
}

void setup() {
  pinMode(TRIG_PIN, OUTPUT);
  pinMode(ECHO_PIN, INPUT);
  pinMode(TRIG1_PIN, OUTPUT);
  pinMode(ECHO1_PIN, INPUT);
  Serial.begin(115200);
  myservo.attach(9);  
  //lcd.begin();
  lcd.begin(16, 2);
  // you can now interact with the LCD, e.g.:
  lcd.setCursor(1, 0);
  lcd.print("DILARANG MASUK");
  lcd.setCursor(5, 1);
  lcd.print("(-^-)");
  
}

void loop() {
  float distance = readDistanceCM();
  Serial.print("Sensor 1: ");
  Serial.println(readDistanceCM());

  float distance1 = readDistance1CM();
  Serial.print("Sensor 2: ");
  Serial.println(readDistance1CM());

  if(distance >= 3){    
    myservo.write(90);                  
    lcd.clear();
    lcd.setCursor(1, 0);
    lcd.print("SILAHKAN MASUK");
    lcd.setCursor(5, 1);
    lcd.print("5 detik");
    delay(5000);
 
    myservo.write(0);
    lcd.clear();
    lcd.setCursor(1, 0);
    lcd.print("DILARANG MASUK");
    lcd.setCursor(5, 1);
    lcd.print("(-^-)");
    delay(10000);
  }    
  if(distance1 >= 3){    
    myservo.write(0);
    lcd.clear();
    lcd.setCursor(1, 0);
    lcd.print("DILARANG MASUK");
    lcd.setCursor(5, 1);
    lcd.print("(-^-)");
    delay(10000);
  }                                
}