Range Finder IoT – فاصله سنج IOT

#include <SPI.h>
#include <Ethernet.h>

#define echoPin ۸      // Echo Pin
#define triggerPin ۹   // Trigger Pin

// Network settings
byte mac[]     = { 0xDE, 0xED, 0xDD, 0xDD, 0xFE, 0xED };
EthernetClient eth;

char server[]  = "www.ic2pro.com";                          // Wiring Cloud host name
int port       = 80;
String devId   = "111-222-333";                             // Device ID. CREATE YOUR OWN GUID; Use this http://www.guidgenerator.com/
String auth    = "dXNlcjpwYXNzd29yZA==";                    // Authentication credentials Create a string from <email_address>:<API_Password> and encode it base64
                                                            // The sample here "dXNlcjpwYXNzd29yZA==" is the encoding for "user:password"

void setup() {
  // start serial monitoring
  Serial.begin(115200);
  
  // set-up pins
  pinMode(triggerPin, OUTPUT);
  pinMode(echoPin, INPUT);

  // start network communication
  Ethernet.begin(mac);
  delay(1000);
  
  Serial.println("Start...");
}

void loop() {
  long duration, distance;
  
  digitalWrite(triggerPin, LOW);
  delayMicroseconds(2);

  digitalWrite(triggerPin, HIGH);
  delayMicroseconds(10);

  digitalWrite(triggerPin, LOW);
  duration = pulseIn(echoPin, HIGH);

  // Calculate the distance (in cm) based on the speed of sound.
  // distance = duration * speed of sound / 2
  // We divided by two because the sound travels to destination and 
  // comes back which is twice the distance we measure
  distance = duration * ۰.۰۳۴ / ۲;
  if(distance > 0 && distance < 1000)
    sendRange(String(distance));
  delay(1000);
}

void sendRange(String range) {
  Serial.println(range);
  if (eth.connect(server, port)) {  // connect to server
    eth.println("GET http://" + String(server) + ":" + String(port) + "/Wire/connector/set?id=" + devId + "&RANGE=" + range + " HTTP/1.1");  // send range to server
    eth.println("Authorization: Basic " + auth);
    eth.println("Connection: close");
    eth.println();
    eth.stop();
  }
  else {
    Serial.println("Connection Error");
  }
}