//JOSHUA LIAN ALDORA DJUK
//21083000075

// Definisikan pin untuk LED dan tombol
const int redLedPin = 18;
const int greenLedPin = 5;
const int buttonPin = 35;

// Waktu penundaan
const unsigned long crossingTime = 20000;
const unsigned long redLightTime = 3000;  

// Variabel status
bool buttonPressed = false;

void setup() {
  // Atur pin-pin sebagai input atau output
  pinMode(redLedPin, OUTPUT);
  pinMode(greenLedPin, OUTPUT);
  pinMode(buttonPin, INPUT);

  digitalWrite(redLedPin, HIGH);  
  digitalWrite(greenLedPin, LOW); 
  Serial.begin(9600);             
}

void loop() {
  if (digitalRead(buttonPin) == HIGH && !buttonPressed) {
    buttonPressed = true; 
    digitalWrite(redLedPin, LOW);
    digitalWrite(greenLedPin, HIGH); 
    Serial.println("AYO MENYEBERANG!");
    delay(crossingTime);
    digitalWrite(greenLedPin, LOW); 
    digitalWrite(redLedPin, HIGH);
    Serial.println("TEKAN TOMBOL!");
    buttonPressed = false;
  }
}