MKR1000 to Initial State DHT Visulaizations using Arduino

/*
// MKR1000 Sketch for Intial State
// Thanks to Gaetano Carlucci
// attributes GaetanoCarlucci and RChloe
//Modified for ESP8266, MKR100, and Intel Edison by Stephen Borsay
 */

#include <WiFi101.h>
#include "DHT.h"

#define DHTPIN 5    // what pin we're connected to, pin1 is last pin

//function Prototypes
bool postData();
bool postBucket();
void printWifiStatus();


// Uncomment whatever DHT sensor type you're using!
#define DHTTYPE DHT11  // DHT 11
//#define DHTTYPE DHT21  // DHT 21
//#define DHTTYPE DHT22  // DHT 22

DHT dht(DHTPIN,DHTTYPE); //Instantiate DHT object
WiFiClient client;  //Instantiate WiFi object


const char* MY_SSID = "<YOUR_SSID>";
const char* MY_PWD =  "<YOUR_PASSWORD>";


////////////////////////////
// Initial State Streamer //
////////////////////////////
 
// Data destination
// https can't be handled by the ESP8266, thus "insecure"
#define ISDestURL "insecure-groker.initialstate.com"
// Bucket key (hidden reference to your bucket that allows appending):
#define bucketKey "<YOUR_BUCKET_KEY>"
// Bucket name (name your data will be associated with in Initial State):
#define bucketName "any_bucketName>"   //"Arduino Stream"
// Access key (the one you find in your account settings):
#define accessKey "<YOUR_API_ACCESS_KEY>"

// How many signals are in your stream? You can have as few or as many as you want
const int NUM_SIGNALS = 5; //for our dht we use 5 data sensors

// What are the names of your signals (i.e. "Temperature", "Humidity", etc.)
String signalName[NUM_SIGNALS] = {"Humidity", "Temperature(Cel)",
                   "Temperature(Fehr)","Heat Index(Cel)","Heat Index(Fehr)"};

// This array is to store our signal data later
String signalData[NUM_SIGNALS];

int status = WL_IDLE_STATUS;


void setup() 
{
  
  //Initialize serial and wait for port to open:
  Serial.begin(9600);
  while (!Serial) 
  {
    ; // wait for serial port to connect. Needed for native USB port only
  }

  // check for the presence of the shield:
  if (WiFi.status() == WL_NO_SHIELD)
  {
    Serial.println("WiFi shield not present");
    // don't continue:
    while (true);
  }

  // attempt to connect to Wifi network:
  while (status != WL_CONNECTED) 
  {
    Serial.print("Attempting to connect to SSID: ");
    Serial.println(MY_SSID);
    //Connect to WPA/WPA2 network.Change this line if using open/WEP network
    status = WiFi.begin(MY_SSID, MY_PWD);

    // wait 10 seconds for connection:
    delay(10000);
  }
  
  Serial.println("Connected to wifi");
  printWifiStatus();
  
}

void loop() {



  // if there's incoming data from the net connection.
  // send it out the serial port.  This is for debugging
  // purposes only:
  if (client.available()) 
  {
    char c = client.read();
    Serial.write(c);
  }


  //MKR1000 has problems with floats
  //see my github for int to float rough string handler
  //https://github.com/sborsay/Arduino_Wireless/blob/master/MKR1000_to_thingspea   //k_FloatStringHandler
    
    int h = dht.readHumidity();
    // Read temperature as Celsius (the default)
    int t = dht.readTemperature();
    // Read temperature as Fahrenheit (isFahrenheit = true)
    int f = dht.readTemperature(true);
  
    // Check if any reads failed and exit early (to try again).
  if (isnan(h) || isnan(t) || isnan(f))
  {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  // Compute heat index in Fahrenheit (the default)
  int hif = dht.computeHeatIndex(f, h);
  // Compute heat index in Celsius (isFahreheit = false)
  int hic = dht.computeHeatIndex(t, h, false);

  Serial.print("Humidity: ");
  Serial.print(h);
  Serial.print(" %\t");
  Serial.print("Temperature: ");
  Serial.print(t);
  Serial.print(" *C ");
  Serial.print(f);
  Serial.print(" *F\t");
  Serial.print("Heat index: ");
  Serial.print(hic);
  Serial.print(" *C ");
  Serial.print(hif);
  Serial.println(" *F\n");

  //fill our array with each sensor element strings casted from floats
   signalData[0] = (String) h;
   signalData[1] = (String) t;
   signalData[2] = (String) f;
   signalData[3] = (String) hic;
   signalData[4] = (String) hif;
 

  // The postData() function streams our events
  while(!postData());   
 
  // Wait for 1 seconds before collecting and sending the next batch
  delay(1000);

}

// this method makes a HTTP connection to the server and creates a bucket if it //does not exist:
bool postBucket() {
  // close any connection before send a new request.
  // This will free the socket on the WiFi shield
  client.stop();

  // if there's a successful connection:
  if (client.connect(ISDestURL, 80)) {
    Serial.println("connecting...");
    // send the HTTP PUT request:
    // Build HTTP request.
    String toSend = "POST /api/buckets HTTP/1.1\r\n";
    toSend += "Host:";
    toSend += ISDestURL;
    toSend += "\r\n" ;
    toSend += "User-Agent:Arduino\r\n";
    toSend += "Accept-Version: ~0\r\n";
    toSend += "X-IS-AccessKey: " accessKey "\r\n";
    toSend += "Content-Type: application/json\r\n";
    String payload = "{\"bucketKey\": \"" bucketKey "\","; 
    payload += "\"bucketName\": \"" bucketName "\"}";
    payload += "\r\n"; 
    toSend += "Content-Length: "+String(payload.length())+"\r\n";
    toSend += "\r\n";
    toSend += payload;
    
    client.println(toSend);
    Serial.println(toSend);
  
    return true;
  } else {
    // if you couldn't make a connection:
    Serial.println("connection failed");
    return false;
  }
}


// this method makes a HTTP connection to the server and sends the signals measured:
bool postData() {
  // close any connection before send a new request.
  // This will free the socket on the WiFi shield
  client.stop();

  // if there's a successful connection:
  if (client.connect(ISDestURL, 80)) {
    Serial.println("connecting...");
    // send the HTTP PUT request:
    // Build HTTP request.
    // Build HTTP request.

  for (int i=0; i<NUM_SIGNALS; i++){
    String toSend = "POST /api/events HTTP/1.1\r\n";
    toSend += "Host:";
    toSend += ISDestURL;
    toSend += "\r\n" ;
    toSend += "Content-Type: application/json\r\n";
    toSend += "User-Agent: Arduino\r\n";
    toSend += "Accept-Version: ~0\r\n";
    toSend += "X-IS-AccessKey:  " accessKey "\r\n";
    toSend += "X-IS-BucketKey:  " bucketKey "\r\n";
    
    String payload = "[{\"key\": \"" + signalName[i] + "\", "; 
    payload +="\"value\": \"" + signalData[i] + "\"}]\r\n";
    
    toSend += "Content-Length: "+String(payload.length())+"\r\n";
    toSend += "\r\n";
    toSend += payload;
 
    Serial.println(toSend);
    client.println(toSend);
    delay(3000);//so not to overload requests on Intialstate, adjust as needed
   }
  return true;
  } else {
    // if you couldn't make a connection:
    Serial.println("connection failed");
    return false;
  }
 
}