#include <SoftwareSerial.h>
SoftwareSerial BT(3,2);
int start=0,count=0;
void setup() {
// put your setup code here, to run once:
              BT.begin(9600);
              Serial.begin(9600);
              pinMode(10,INPUT);pinMode(11,OUTPUT);
            }
            String data;
void checkstart()
{
  if(digitalRead(3))
  {start=1;}
  else 
  {start=0;}
};
void loop() {
// put your main code here, to run repeatedly:
int flex= analogRead(A0);
data= String(flex)+','+'B';
BT.println(data);
Serial.println(flex);
checkstart();
if(start==1)
{
    if(flex>120)
    {
      count= count+1;
    }
    else
      {
        count=0;
      }
    if(count>10)
    {
      digitalWrite(11,HIGH);count=0;
      data= String(flex)+','+'A';
      BT.println(data);
      delay(2000);
      while(1)
      {
        int flex= analogRead(A0);
        checkstart();
        if(flex<120 || start==0)
        {
          count=count+1;
          if(count>20)
          {
            count=0;
            digitalWrite(11,LOW);
            break;
          }
        }
        
        Serial.println(flex);
        data= String(flex)+','+'B';
        BT.println(data);delay(100);
      }
      
    }
    delay(100);
  }
  else
  {
    digitalWrite(11,LOW);
  }
  delay(100);
}