SSHS_CS_8반_2019_store management system

#include <SoftwareSerial.h>

int triggerPin1 = 2;
int echoPin1 = 3 ;
int triggerPin2 = 4 ;
int echoPin2 = 5 ;
int RED=13;
int BLUE=11;
int GREEN=12;

void setup() 
{
  Serial.begin(9600);
  Serial.begin(9600);
  Serial.println("hello");
  Serial1.begin(9600);

  pinMode(triggerPin1, OUTPUT);
  pinMode(echoPin1,INPUT);
  pinMode(triggerPin2, OUTPUT);
  pinMode(echoPin2,INPUT);
  pinMode(13,OUTPUT);

  pinMode(RED,OUTPUT);
  pinMode(GREEN,OUTPUT);
  pinMode(BLUE,OUTPUT);
  

  /*scale.set_scale(2280.f);
  scale.tare();*/
}

void loop()
{
  int duration1;
  int duration2;

  float distance1;
  float distance2;

  int temp;
  
  digitalWrite(triggerPin1, HIGH);
  delayMicroseconds(10);
  digitalWrite(triggerPin1,LOW);

  duration1=pulseIn(echoPin1,HIGH);
  distance1 = (float)duration1 * 0.017;
  Serial.print(distance1);  


  digitalWrite(triggerPin2, HIGH);
  delayMicroseconds(10);
  digitalWrite(triggerPin2,LOW);

  duration2=pulseIn(echoPin2,HIGH);
  distance2 = (float)duration2 * 0.017;
  Serial.print(" ");
  Serial.print(distance2);
  Serial.print(" ");
  
  
  if(7<distance1&&distance1<11)
  {
    temp=4;
  }  
  if(13<distance1&&distance1<17)
  {
    temp=3;
  }
  if(19<distance1&&distance1<23)
  {
    temp=2;
  }
  if(25<distance1&&distance1<30)
  {
    temp=1;
  }
  if(30<distance1)
  {
    temp=0;
  }
  
  if(distance1<7)
  {
    temp=5;
  }
  if(temp==5)
  {
    if(distance2>27.6)
    {
      temp=5;
    }
    if(24<distance2&&distance2<27.6)
    {
      temp=6;
    }
    if(18<distance2&&distance2<21)
    {
      temp=7;
    }
    if(10<distance2&&distance2<15)
    {
      temp=8;
    }
    if(5<distance2&&distance2<10)
    {
      temp=9;
    }
    if(distance2<5)
    {
      temp=10;
    }
  }
  
  Serial.print(temp);
  Serial.print("\n");
  
  

  

 
  if(temp>=4)
  {
    digitalWrite(BLUE,HIGH);
    delay(500);
    digitalWrite(BLUE,LOW);
  }
  
  if(temp<4)
  {
    digitalWrite(RED,LOW);
    delay(50);
    digitalWrite(RED,HIGH);
    delay(50);
    digitalWrite(RED,LOW);
    delay(50);
    digitalWrite(RED,HIGH);
    delay(50);
    digitalWrite(RED,LOW);
    delay(50);
    digitalWrite(RED,HIGH);
    delay(50);
    digitalWrite(RED,LOW);
    delay(50);
    digitalWrite(RED,HIGH);
    delay(50);
    digitalWrite(RED,LOW);
    delay(50);
    digitalWrite(RED,HIGH);
    delay(50);
  }
  
  /*Serial.print(scale.get_units(), 1);
  scale.power_down();
  delay(5000);
  scale.power_up();
*/  
   if (Serial1.available())
  {
    Serial.write(Serial1.read());
  }
  
   if (Serial.available()) 
  {
      Serial1.println(temp);
  }
  
  
}