const int firstSwitchPin = 6; // Pin connected to first switch
const int secondSwitchPin = 4; // Pin connected to second switch
const int ledPin = 3; // Pin connected to LED

bool firstSwitchPressed = false; // Flag to keep track of first switch press
bool secondSwitchPressed = false; // Flag to keep track of second switch press
unsigned long firstSwitchTime = 0; // Time of first switch press


void setup() {
  pinMode(firstSwitchPin, INPUT_PULLUP);
  pinMode(secondSwitchPin, INPUT_PULLUP);
  pinMode(ledPin, OUTPUT);
  Serial.begin(9600);
}


void loop() {
  
  // Check if first switch has been pressed
  if (digitalRead(firstSwitchPin) == LOW && !firstSwitchPressed) {//0
    firstSwitchPressed = true;
    secondSwitchPressed = false;
    firstSwitchTime = millis();
    if (digitalRead(firstSwitchPin) == LOW)
    Serial.println(firstSwitchPressed);
  }

  // Check if second switch has been pressed within 10 seconds of first switch press
  if (digitalRead(secondSwitchPin) == LOW && firstSwitchPressed && !secondSwitchPressed) {
    if (millis() - firstSwitchTime < 5000) {
      //secondSwitchPressed = true;
      digitalWrite(ledPin, LOW); // LED off
      firstSwitchPressed = false;
      secondSwitchPressed = true;
    }
  }
  
  // Check if time limit has passed without second switch press
  if (millis() - firstSwitchTime >= 5000 && firstSwitchPressed && !secondSwitchPressed) {
    digitalWrite(ledPin, HIGH); // LED on
    if (digitalRead(secondSwitchPin) == LOW && !secondSwitchPressed)
    {
      digitalWrite(ledPin, LOW);
      secondSwitchPressed = false;
      firstSwitchPressed = false;
    }
  } 
}