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

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

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

#include <SoftwareSerial.h> 



/* RFID Reader
   Uses RDM880 breakout board with RX connected to pin 2 and TX connected to pin 3. 
