#define PIN_LED1 13

void setup(){
  pinMode(PIN_LED1, OUTPUT);
  // Initialize Serial communication for debugging
  Serial.begin(9600);
  }

void loop() {
  digitalWrite(PIN_LED1, HIGH);
  delay(100);
  // Read the analog voltage from pin A0
  int sensorValue = analogRead(A0);

  // Print the raw sensor value to the Serial monitor
  Serial.print("Raw Sensor Value: ");
  Serial.println(sensorValue);

  //converting the sensor value to a voltage
  float voltage = sensorValue * (5.0 / 1023.0);
  // Assuming a 5V reference voltage
  Serial.print("Voltage: ");
  Serial.print(voltage);
  Serial.println(" V");
  // Delay for a second
  digitalWrite(PIN_LED1, LOW);
  delay(400);
  }