*/

// defines pins numbers const int trigPin = 11; const int echoPin = 12;

// defines variables long duration; int distance;

void setup() { // UltraSonoc Pins pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output pinMode(echoPin, INPUT); // Sets the echoPin as an Input

// initialize digital pin LED_BUILTIN as an output. pinMode(LED_BUILTIN, OUTPUT);

Serial.begin(9600); // Starts the serial communication }

void loop() { // Clears the trigPin digitalWrite(trigPin, LOW); delayMicroseconds(2);

// Sets the trigPin on HIGH state for 10 micro seconds digitalWrite(trigPin, HIGH); delayMicroseconds(10); digitalWrite(trigPin, LOW);

// Reads the echoPin, returns the sound wave travel time in microseconds duration = pulseIn(echoPin, HIGH);

// Calculating the distance distance = duration * 0.034 / 2;

// Prints the distance on the Serial Monitor Serial.print("Distance: "); Serial.println(distance);

// -------------------------------------------------------- // ADD Your Code Here - Detect a specific distance... like distance > 5 cm

// -------------------------------------------------------- }