/*Emma Pareschi,
 * with this sketch we read the analog sensor connected to pin analog_sensor_pin,
 * we map the value and we use it to control the Led
 */

int analog_sensor_pin = A0;   //change the pin, where the sensor is connected?
int analog_sensor_value = 0;
int led_pin = 3;


void setup() {
  // put your setup code here, to run once:
  pinMode(analog_sensor_pin, INPUT);
  pinMode(led_pin, OUTPUT);
  Serial.begin(9600);
!
}

void loop() {
  // put your main code here, to run repeatedly:
  analog_sensor_value = analogRead(analog_sensor_pin); //read the Voltage of the pin sensor

  analog_sensor_value = map(analog_sensor_value, 230, 130, 0, 255); //we change the range
  analog_sensor_value = constrain(analog_sensor_value, 0, 255); //we apply the limits

  analogWrite(led_pin, analog_sensor_value);  //we use the mapped value to control the Led
  Serial.println(analog_sensor_value); // print the value on the Serial monitor
  delay(10);

}