#include

SoftwareSerial btSerial(4, 3); //RX, TX

int RLED = 8;
int BELT = 7;
int GLED= 6;    
int PR_IN = 9;
int sensorValue;

void setup()
{
  pinMode(RLED, OUTPUT);
  pinMode(PR_IN, INPUT);
  Serial.begin(9600);
  btSerial.begin(9600);     
  pinMode(BELT, INPUT);
  pinMode(GLED, OUTPUT);

  } 

void loop()

{
  char Ps=LOW,Bl=LOW;
  //sensorValue = analogRead(PR_IN);
   if(digitalRead(PR_IN)==LOW) Ps=HIGH;
   if (digitalRead(BELT) == LOW)Bl=HIGH;
  
   if(Bl==LOW && Ps==LOW)
   {
    digitalWrite(GLED,LOW);
    digitalWrite(RLED, LOW);
   }
   if(Bl==HIGH && Ps==LOW){
    digitalWrite(GLED,LOW);
    digitalWrite(RLED, LOW);
   }
   if(Bl==LOW && Ps==HIGH){
     digitalWrite(GLED,LOW);
    digitalWrite(RLED, HIGH);
   }
   if(Bl==HIGH && Ps==HIGH){
 
   digitalWrite(GLED,HIGH);
    digitalWrite(RLED, LOW);
   }
 
   int PR_IN = digitalRead(9);
    if(Bl==LOW && Ps==HIGH){
      Serial.println("PR_IN");
      btSerial.print('1');}
   int BELT = digitalRead(7);
    if(Bl==HIGH && Ps==HIGH){
      Serial.println("belt");
      btSerial.print('2');
    }

}