 #include <SoftwareSerial.h> 
+
+
 
 /* RFID Reader
    Uses RDM880 breakout board with RX connected to pin 2 and TX connected to pin 3. 

  while(standby == false) {
    // read signal state
    signalState = digitalRead(signalPin);
    delay(100);

    // debounce check
    if (signalState == digitalRead(signalPin)) {

        endTime = (millis() - startTime)/1000;
        if (endTime != 0) {
          Serial.print("Elapsed time: ");
          Serial.print(endTime);
        }
        previousState = signalState;
        standby = true;
