const int switchPin = 12;  // Pin where the switch is connected
const int relayPin = 25;   // Pin where the relay is connected

void setup() {
  // Initialize serial communication
  Serial.begin(115200);
  
  // Set the switch pin as input with internal pull-up resistor
  pinMode(switchPin, INPUT_PULLUP);

  // Set the relay pin as output
  pinMode(relayPin, OUTPUT);
  digitalWrite(relayPin, LOW); // Ensure relay is off

  Serial.println("Relay control with switch setup complete");
}

void loop() {
  // Read the state of the switch
  int switchState = digitalRead(switchPin);

  // Check if the switch is pressed
  if (switchState == LOW) { // Assuming the switch is active-low
    Serial.println("Switch pressed. Relay ON.");
    digitalWrite(relayPin, HIGH); // Activate relay
  } else {
    Serial.println("Switch not pressed. Relay OFF.");
    digitalWrite(relayPin, LOW);  // Deactivate relay
  }

  // Small delay to debounce the switch
  delay(50);
}