Beat the heat with dizmo – A solar panel arduino project

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

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

// Local Network Settings
byte mac[] = { 0x90, 0xA2, 0xDA, 0x00, 0x91, 0x8C }; // Must be unique on local network

#define DHTPIN 6     // what pin we're connected to

// Uncomment whatever type you're using!
#define DHTTYPE DHT11   // DHT 11
//#define DHTTYPE DHT22   // DHT 22  (AM2302)
//#define DHTTYPE DHT21   // DHT 21 (AM2301)

DHT dht(DHTPIN, DHTTYPE);

// OneWire DS18S20, DS18B20, DS1822 Temperature Example
//
// http://www.pjrc.com/teensy/td_libs_OneWire.html
//
// The DallasTemperature library can do all this work for you!
// http://milesburton.com/Dallas_Temperature_Control_Library

OneWire  ds(5);  // on pin 10 (a 4.7K resistor is necessary)

// thingspeak server
byte server[]  = { 184, 106, 153, 149 }; // ThingSpeak IP Address: 184.106.153.149
// ThingSpeak Settings
char thingSpeakAddress[] = "api.thingspeak.com";
String writeAPIKey = "XXXXXXXXXXXXXXXX"; // replace with your thingspeak API Key
const int updateThingSpeakInterval = 30 * 1000;      // Time interval in milliseconds to update ThingSpeak (number of seconds * 1000 = interval)

// Variable Setup
long lastConnectionTime = 0; 
boolean lastConnected = false;
int failedCounter = 0;

// Initialize Arduino Ethernet Client
EthernetClient client;

void setup(void) {
  Serial.begin(9600);

  // Start Ethernet on Arduino
  startEthernet();

  dht.begin();
}

void loop(void) {

  delay(30000);

    // Reading temperature or humidity takes about 250 milliseconds!
  // Sensor readings may also be up to 2 seconds 'old' (its a very slow sensor)
  float h = dht.readHumidity();
  // Read temperature as Celsius (the default)
  float t = dht.readTemperature();
  // Read temperature as Fahrenheit (isFahrenheit = true)
  float 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)
  float hif = dht.computeHeatIndex(f, h);
  // Compute heat index in Celsius (isFahreheit = false)
  float 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");

  // ****

  byte i;
  byte present = 0;
  byte type_s;
  byte data[12];
  byte addr[8];
  float celsius, fahrenheit;

  if ( !ds.search(addr)) {
    Serial.println("No more addresses.");
    Serial.println();
    ds.reset_search();
    delay(250);
    return;
  }

  Serial.print("ROM =");
  for( i = 0; i < 8; i++) {
    Serial.write(' ');
    Serial.print(addr[i], HEX);
  }

  if (OneWire::crc8(addr, 7) != addr[7]) {
      Serial.println("CRC is not valid!");
      return;
  }
  Serial.println();

  // the first ROM byte indicates which chip
  switch (addr[0]) {
    case 0x10:
      Serial.println("  Chip = DS18S20");  // or old DS1820
      type_s = 1;
      break;
    case 0x28:
      Serial.println("  Chip = DS18B20");
      type_s = 0;
      break;
    case 0x22:
      Serial.println("  Chip = DS1822");
      type_s = 0;
      break;
    default:
      Serial.println("Device is not a DS18x20 family device.");
      return;
  } 

  ds.reset();
  ds.select(addr);
  ds.write(0x44, 1);        // start conversion, with parasite power on at the end

  delay(1000);     // maybe 750ms is enough, maybe not
  // we might do a ds.depower() here, but the reset will take care of it.

  present = ds.reset();
  ds.select(addr);    
  ds.write(0xBE);         // Read Scratchpad

  Serial.print("  Data = ");
  Serial.print(present, HEX);
  Serial.print(" ");
  for ( i = 0; i < 9; i++) {           // we need 9 bytes
    data[i] = ds.read();
    Serial.print(data[i], HEX);
    Serial.print(" ");
  }
  Serial.print(" CRC=");
  Serial.print(OneWire::crc8(data, 8), HEX);
  Serial.println();

  // Convert the data to actual temperature
  // because the result is a 16 bit signed integer, it should
  // be stored to an "int16_t" type, which is always 16 bits
  // even when compiled on a 32 bit processor.
  int16_t raw = (data[1] << 8) | data[0];
  if (type_s) {
    raw = raw << 3; // 9 bit resolution default
    if (data[7] == 0x10) {
      // "count remain" gives full 12 bit resolution
      raw = (raw & 0xFFF0) + 12 - data[6];
    }
  } else {
    byte cfg = (data[4] & 0x60);
    // at lower res, the low bits are undefined, so let's zero them
    if (cfg == 0x00) raw = raw & ~7;  // 9 bit resolution, 93.75 ms
    else if (cfg == 0x20) raw = raw & ~3; // 10 bit res, 187.5 ms
    else if (cfg == 0x40) raw = raw & ~1; // 11 bit res, 375 ms
    //// default is 12 bit resolution, 750 ms conversion time
  }
  celsius = (float)raw / 16.0;
  fahrenheit = celsius * 1.8 + 32.0;
  Serial.print("  Temperature = ");
  Serial.print(celsius);
  Serial.print(" Celsius, ");
  Serial.print(fahrenheit);
  Serial.println(" Fahrenheit");

  // ****

  // Print Update Response to Serial Monitor
  if (client.available())
  {
    char c = client.read();
    Serial.print(c);
  }

   // Disconnect from ThingSpeak
  if (client.connected() && lastConnected)
  {
    Serial.println("...disconnected");
    Serial.println();

    client.stop();
  }

  Serial.println("state:"+String(client.connected(),DEC));
  Serial.println("last connection time:"+String(lastConnectionTime,DEC));
  Serial.println("diff:"+String((millis() - lastConnectionTime),DEC));

  // Update ThingSpeak
  if(!client.connected() && (millis() - lastConnectionTime > updateThingSpeakInterval))

    updateThingSpeak("field1="+String(t, DEC)+"&field2="+String(h, DEC)+"&field3="+String(celsius, DEC));

  // Check if Arduino Ethernet needs to be restarted
  if (failedCounter > 3 ) {startEthernet();}

  lastConnected = client.connected();
}

void updateThingSpeak(String tsData)
{
  if (client.connect(thingSpeakAddress, 80))
  {         
    client.print("POST /update HTTP/1.1\n");
    client.print("Host: api.thingspeak.com\n");
    client.print("Connection: close\n");
    client.print("X-THINGSPEAKAPIKEY: "+writeAPIKey+"\n");
    client.print("Content-Type: application/x-www-form-urlencoded\n");
    client.print("Content-Length: ");
    client.print(tsData.length());
    client.print("\n\n");

    client.print(tsData);

    lastConnectionTime = millis();

    if (client.connected())
    {
      Serial.println("Connecting to ThingSpeak...");
      Serial.println();

      failedCounter = 0;
    }
    else
    {
      failedCounter++;

      Serial.println("Connection to ThingSpeak failed ("+String(failedCounter, DEC)+")");   
      Serial.println();
    }

  }
  else
  {
    failedCounter++;

    Serial.println("Connection to ThingSpeak Failed ("+String(failedCounter, DEC)+")");   
    Serial.println();

    lastConnectionTime = millis(); 
  }
}

void startEthernet()
{

  client.stop();

  Serial.println("Connecting Arduino to network...");
  Serial.println();  

  delay(1000);

  // Connect to network and obtain an IP address using DHCP
  if (Ethernet.begin(mac) == 0)
  {
    Serial.println("DHCP Failed, reset Arduino to try again");
    Serial.println();
  }
  else
  {
    Serial.println("Arduino connected to network using DHCP");
    Serial.println();
  }

  delay(1000);
}

grace new

Name: WindowStatus
type: dizmo
skeleton: joose

   <div id="front">
        <div class="center">
            <img id="img" src="assets/window_closed.png">
        </div>
    </div>

initEvents: function() {
            var self = this;

            jQuery('.done-btn').on('click', function() {
                WindowStatus.Dizmo.showFront();
            });

            var handler=function() {
               jQuery.getJSON('http://api.thingspeak.com/channels/<your channel id>/feed/last.json?callback=?', function(data) { 
                    //console.log(data);
                    if (data.field3<data.field1) {
                        //console.log("open");
                        document.getElementById('img').src="assets/window_open.png";
                    } else {
                        //console.log("close");
                        document.getElementById('img').src="assets/window_closed.png";
                    }        
               });
            };

            setInterval(handler, 30000);            

        }
    }

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