 void printDigits(int digits){
   // utility function for digital clock display: prints preceding colon and leading 0
   Serial.print(":");
-  if(digits < 10) Serial.print('0');
+  if(digits < 10)
+    Serial.print('0');
   Serial.print(digits);
-}+}

String msgIn = "";

int numb = 0;
IntervalTimer txTimer;

void setup(){
  Serial.begin(9600);

      i++;
    }
  }
  
  printAndSendString( " " + (String)rcvdNum ); //also puts the 0 at the end of TX string
  printAndSendChar( 10 );
}

