Il codice del sensore di parcheggio

gistfile1.txt

// These constants won't change. They're used to give names to the pins used:
const int analogInPin = A0;  // Analog input pin that the potentiometer is attached to
const int analogOutPin = 9; // Analog output pin that the LED is attached to
const int ledverde = 10;
const int ledrosso = 11;

const int limite_1 = 150;
const int limite_2 = 300;

const int distanza_min =  80;
const int distanza_max =  700;

int sensorValue = 0;        // value read from the pot
int outputValue = 0;        // value output to the PWM (analog out)

void setup() {
  // initialize serial communications at 9600 bps:
  Serial.begin(9600);

  pinMode(analogOutPin, OUTPUT);
  pinMode(ledverde, OUTPUT);
  pinMode(ledrosso, OUTPUT);
}

void loop() {
  // read the analog in value:
  sensorValue = analogRead(analogInPin);
  // map it to the range of the analog out:
  outputValue = map(sensorValue, distanza_min, distanza_max, 0, 255);
  // change the analog out value:

  //  analogWrite(analogOutPin, outputValue);

  //   se il valore é sotto 150 succede questo
  if (sensorValue < limite_1) {

    digitalWrite(ledverde, HIGH);
    digitalWrite(analogOutPin, LOW);
    digitalWrite(ledrosso, LOW);



  } else if ((sensorValue >= limite_1) && (sensorValue < limite_2)) {

    digitalWrite(analogOutPin, HIGH);
    digitalWrite(ledrosso, LOW);


  } else if ((sensorValue >= limite_2)) {

    digitalWrite(ledrosso, HIGH);

  }



  // se il valore é compreso tra 150 e 300 succede questo


  // se é superiore questo...



  stampa();

}

void stampa() {

  // print the results to the Serial Monitor:
  Serial.print("sensor = ");
  Serial.print(sensorValue);
  Serial.print("\t output = ");
  Serial.println(outputValue);

  // wait 2 milliseconds before the next loop for the analog-to-digital
  // converter to settle after the last reading:
  delay(2);

}