#include <WiFi.h>
#include <LiquidCrystal.h>

// LCD pins: RS, EN, D4, D5, D6, D7
LiquidCrystal lcd(18, 19, 13, 14, 15, 26);

const int LED_PIN = 2;  // built-in LED on most ESP32 devkits

void setup() {
  Serial.begin(115200);

  // WiFi chip init (not connected yet)
  WiFi.mode(WIFI_STA);
  WiFi.disconnect();
  Serial.println("WiFi initialized");

  // Let LCD power up before init (ESP32 boots faster than LCD expects)
  delay(500);
  lcd.begin(16, 2);
  lcd.clear();

  pinMode(LED_PIN, OUTPUT);
}

void loop() {
  Serial.println("led on!");
  digitalWrite(LED_PIN, HIGH);
  delay(1000);

  lcd.clear();
  lcd.print("Test message!");

  Serial.println("led off!");
  digitalWrite(LED_PIN, LOW);
  delay(1000);

  lcd.clear();
  lcd.print("Test message2!");
}