byte val = 0;
byte val2 = 0;

byte cab=0;
byte command=0;
byte dat=0;

int count=0;
int countr=0;
int N=100;

int RSSI=6;
int CTS=7;

void setup() 
{ 
  Serial.begin(9600); 
  pinMode(RSSI, INPUT);
  pinMode(CTS, INPUT);
  delay(100);   
} 

void loop() 
{ 
   /*if (Serial.available()) {
       val = Serial.read();
       if (val==0xF0)
       {
         count=1;
         cab=val;
       }
       else if (count==1)
       {
         count=2;
         command=val;
       }
       else if (count==2)
       {
         count=3;
         dat=val;
       }
    }  
    if (count==3)
       {
         count=0;
         while(digitalRead(CTS));
         Serial.print(cab, BYTE);
         while(digitalRead(CTS));
         Serial.print(command, BYTE);
         while(digitalRead(CTS));
         Serial.print(dat, BYTE);
       }*/
       
       if (Serial.available()) {
         val = Serial.read();
         while(digitalRead(CTS));
         Serial.print(val, BYTE);
       }
}