#include <WiFi.h>
#define LED1 23
#define LED2 22
#define LED3 19
#define BUT 5

String ssid = "Wokwi-GUEST";
String pass = "";

void setup() {
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(LED3, OUTPUT);
  pinMode(BUT, INPUT);
  
  while (digitalRead(BUT) == LOW) {
    
  }
  WiFi.begin(ssid, pass);
  while (WiFi.status() != WL_CONNECTED) {
    digitalWrite(LED1, HIGH);
    digitalWrite(LED2, HIGH);
    digitalWrite(LED3, HIGH);
    delay(250);
    digitalWrite(LED1, LOW);
    digitalWrite(LED2, LOW);
    digitalWrite(LED3, LOW);
    delay(250);
  }
  digitalWrite(LED1, LOW);
  digitalWrite(LED2, LOW);
  digitalWrite(LED3, LOW);
}

void loop() {
  digitalWrite(LED1, HIGH);
  delay(500);
  digitalWrite(LED1, LOW);
  digitalWrite(LED2, HIGH);
  delay(500);
  digitalWrite(LED2, LOW);
  digitalWrite(LED3, HIGH);
  delay(500);
  digitalWrite(LED3, LOW);
}