Humidity IoT رطوبت سنج IOT

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

byte mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xDD };        // mac address for ethernet board
EthernetClient eth;                                         // the Ethernet client

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"

#define  DHTPin ۸                                           // pin to connect DHT11 chip's data pin
byte     DHTData[5];                                        // collect the data red from sensor


// Update HUMIDITY value on the server
void sendHumidity(String humidity)
{
  Serial.println("Send Humidity...");
  if (eth.connect(server, port)) {                               // initialize HTTP connection on port 80
    eth.println("GET http://" + String(server) + ":" + String(port) + "/Wire/connector/set?id=" + devId + "&HUMIDITY=" + humidity + " HTTP/1.1");   // submit HTTP request
    eth.println("Authorization: Basic " + auth);
    eth.println("Connection: close");
    eth.println();
    Serial.println("Connected");
  }
  else {
    Serial.println("Connection Error");
  }

  eth.stop();
}

// Initializa DHT Chip
void initDHT() {
  pinMode(DHTPin, OUTPUT);
  digitalWrite(DHTPin, HIGH);
}


// read Data from DHT11 chip
byte readDHTData() {
  byte dht_in;
  byte i;
  digitalWrite(DHTPin, LOW);
  delay(20);
  digitalWrite(DHTPin, HIGH);
  delayMicroseconds(40);
  pinMode(DHTPin, INPUT);

  //delayMicroseconds(40);
  dht_in = digitalRead(DHTPin);
  if (dht_in) {
    return 1;
  }

  delayMicroseconds(80);
  dht_in = digitalRead(DHTPin);

  if (!dht_in) {
    return 2;
  }

  delayMicroseconds(80);
  for (i = 0; i < 5; i++)
    DHTData[i] = readDHTByte();

  pinMode(DHTPin, OUTPUT);
  digitalWrite(DHTPin, HIGH);
  byte dht_check_sum =
    DHTData[0] + DHTData[1] + DHTData[2] + DHTData[3];

  if (DHTData[4] != dht_check_sum)
    return 3;
  return 0;
}


// read next byte from DHT sensor
byte readDHTByte() {
  byte i = 0;
  byte result = 0;

  for (i = 0; i < 8; i++) {
    while (digitalRead(DHTPin) == LOW);
    delayMicroseconds(30);
    if (digitalRead(DHTPin) == HIGH)
      result |= (۱ << (۷ - i));
    while (digitalRead(DHTPin) == HIGH);
  }

  return result;
}


void setup() {
  initDHT();
  Serial.begin(115200);
  Serial.println("Start...");
  Ethernet.begin(mac);
  delay(1000);

}


void loop() {
  String st;
  String sh;

  switch (readDHTData()) {
    case 0:
      sh = String(DHTData[0])  + "." + String(DHTData[1]);
      Serial.println("Humidity = " + sh);
      sendHumidity(sh);
      break;
    case 1:
      Serial.println("Error 1: DHT start condition 1 not met.");
      sendHumidity("ERR");
      break;
    case 2:
      Serial.println("Error 2: DHT start condition 2 not met.");
      sendHumidity("ERR");
      break;
    case 3:
      Serial.println("Error 3: DHT checksum error.");
      sendHumidity("ERR");
      break;
    default:
      Serial.println("Error: Unrecognized code encountered.");
      sendHumidity("ERR");
      break;
  }

  delay(1000);
}