const int analogInPin_RST = A0;  // MERAH - RESET
const int analogInPin_STRT = A1;  // HIJAU - START
const int analogInPin_STOP = A2;  // HIJAU - STOP

const int analogOutPin = 9;  // MERAH - RESET
int ResetbuttonState = LOW;  // variable for reading the pushbutton status
int Counter = 0;

unsigned long startTime = 0; // Variable to store the start time
unsigned long currentTime = 0; // Variable to store the current time
bool timerRunning = false; // Flag to indicate if the timer is running



void setup() {
  // put your setup code here, to run once:
  Serial.begin(9600);
//  pinMode(analogInPin_STRT, INPUT_PULLUP);
//  pinMode(analogInPin_STOP, INPUT_PULLUP);
}

void loop() {
// put your main code here, to run repeatedly:
// ResetbuttonState = digitalRead(analogInPin_STOP);
 Counter = Counter + 1;
 Serial.print(Counter);
// Serial.print(" - timerunning: ");
// Serial.print(timerRunning);
// Serial.print(" - analogInPinSTRT: ");
// Serial.print(digitalRead(analogInPin_STRT));
// Serial.print(" - analogInPinSTOP: ");
// Serial.println(digitalRead(analogInPin_STOP));
 
 

// if (ResetbuttonState == HIGH) {
    // turn LED on:
//    digitalWrite(analogOutPin, HIGH);
//  } else {
//    // turn LED off:
//    digitalWrite(analogOutPin, LOW);
// }
delay(100);
 
  if (digitalRead(analogInPin_STRT) == HIGH && !timerRunning) {
    startTime = millis(); // Record the start time
    timerRunning = true; // Set the timer running flag
    digitalWrite(analogInPin_STOP, LOW);
    digitalWrite(analogOutPin, HIGH); // Turn on the LED to indicate timer is running
  }



if (timerRunning) {
    currentTime = millis(); // Get the current time
    unsigned long elapsedTime = currentTime - startTime; // Calculate the elapsed time

    // Print the elapsed time in seconds to the serial monitor
    Serial.print("Elapsed Time: ");
    Serial.print(elapsedTime / 1000);
    Serial.println(" seconds");

    if (digitalRead(analogInPin_STOP) == HIGH && timerRunning) {
       timerRunning = false; // Set the timer running flag
       digitalWrite(analogInPin_STRT, LOW);
       digitalWrite(analogOutPin, LOW); // Turn on the LED to indicate timer is running
    }

  }

}