//Write a Program to Interface any Analog (Pollution) sensor and display the value read on serial monitor.
#define LED_PIN 13  // LED connected to pin 13

void setup() {
  Serial.begin(9600);
  pinMode(LED_PIN, OUTPUT);  // Set LED pin as output
}

void loop() {
  int senValue = analogRead(A0);
  float voltage = senValue * (5.0 / 1023.0);  // Convert to voltage

  Serial.print("Raw Value: ");
  Serial.println(senValue);

  Serial.print("Voltage: ");
  Serial.print(voltage);
  Serial.println("V");

  // Blink the LED every reading
  digitalWrite(LED_PIN, HIGH);  // Turn ON LED
  delay(500);                   // Wait 500ms
  digitalWrite(LED_PIN, LOW);   // Turn OFF LED
  delay(200);                   // Wait another 500ms

  // Total delay per loop = 1000ms (1 sec)
}