// Define the pins
const int ledPin = 32;
const int relayPin = 4;

// Variable to store the last time we updated the outputs
unsigned long previousMillis = 0;

// Interval at which to blink (1000 milliseconds = 1 second)
const long interval = 1000;

void setup() {
  // Initialize the LED pin as an output
  pinMode(ledPin, OUTPUT);
  // Initialize the relay pin as an output
  pinMode(relayPin, OUTPUT);

  // You can optionally start with both off
  digitalWrite(ledPin, LOW);
  digitalWrite(relayPin, LOW);

  // Start serial communication for debugging (optional)
  Serial.begin(115200);
  Serial.println("ESP32 LED and Relay Blinker Started!");
}

void loop() {
  // Get the current time
  unsigned long currentMillis = millis();

  // Check if the interval has passed
  if (currentMillis - previousMillis >= interval) {
    // Save the last time you blinked the outputs
    previousMillis = currentMillis;

    // Toggle the LED state
    if (digitalRead(ledPin) == LOW) {
      digitalWrite(ledPin, HIGH);
      Serial.println("LED ON");
    } else {
      digitalWrite(ledPin, LOW);
      Serial.println("LED OFF");
    }

    // Toggle the relay state
    if (digitalRead(relayPin) == LOW) {
      digitalWrite(relayPin, HIGH);
      Serial.println("Relay ON");
    } else {
      digitalWrite(relayPin, LOW);
      Serial.println("Relay OFF");
    }
  }
}