// Define analog input pin and LED pin
const int analogPin = A0;
const int ledPin = 13;

void setup() {
  // Initialize serial communication for debugging
  Serial.begin(9600);

  // Set LED pin as output
  pinMode(ledPin, OUTPUT);
}

void loop() {
  // Read analog input value
  int sensorValue = analogRead(analogPin);

  // Print the value for debugging
  Serial.println(sensorValue);

  // Check if the value is within the specified range
  if (sensorValue >= 300 && sensorValue <= 700) {
    // Blink the LED with a period of 2 seconds on and off
    digitalWrite(ledPin, HIGH);
    delay(2000);
    digitalWrite(ledPin, LOW);
    delay(2000);
  } else if (sensorValue > 700) {
    // Turn on the LED continuously
    digitalWrite(ledPin, HIGH);
  } else {
    // Turn off the LED if the value is less than 300
    digitalWrite(ledPin, LOW);
  }
}