Quick Start 1

#define BLYNK_PRINT Serial

#include <ESP8266WiFi.h>

#include <DHT.h>

#include <BlynkSimpleEsp8266.h>

#define DHTPIN 5 // D4 = GPIO 2

#define DHTTYPE DHT11

int SOUND_VOLUME_PIN = A0; /* Input pin for the potentiometer */

int SOUND_THRESHOLD = 500; /* Sound level threshold */

int SOUND_MAX = 600; /* Sound maximum level */

int soundValue;

const int RainAnalogInPin = A0;

const int LightDigitalInPin = 3;

const int LEDRDigitalInPin = 13;

const int LEDGDigitalInPin = 12;

const int LEDBDigitalInPin = 14;

int RainsensorValue = 0;

int RainMapValue = 0;

// your thingspeak channel API key and your WiFi SSID and password

String apiKey = "xxx";

const char* server = "api.thingspeak.com";

// You should get Auth Token in the Blynk App.

// Go to the Project Settings (nut icon).

char auth[] = "xxx";

// Your WiFi credentials.

// Set password to "" for open networks.

char ssid[] = "xxx";

char pass[] = "xxx";

DHT dht(DHTPIN, DHTTYPE);

WiFiClient client;

void setup()

{

  Serial.begin(9600);

  pinMode(LightDigitalInPin,INPUT);

  pinMode(LEDRDigitalInPin,OUTPUT);

  pinMode(LEDGDigitalInPin,OUTPUT);

  pinMode(LEDBDigitalInPin,OUTPUT);

  dht.begin();

  Blynk.begin(auth, ssid, pass);

}

void loop()

{

  Blynk.run();

    if (WiFi.status() == WL_CONNECTED) {

      Serial.println("WiFi connected");

      Serial.print("WiFi LocalIP : ");      

      Serial.println(WiFi.localIP());

    }

soundValue = analogRead(SOUND_VOLUME_PIN);

  if (soundValue > SOUND_THRESHOLD)

  {

    Serial.print("Sound Sensor Volume = ");

    Serial.println(soundValue);

  } else {

     Serial.print("Sound Sensor Volume = ");

    Serial.println(soundValue);   

    }

  SendData_To_ThinkSpeak_Blynk();

}

void SendData_To_ThinkSpeak_Blynk() {

    // read the rain analog in value:

  RainsensorValue = analogRead(RainAnalogInPin);

  // map the 1024 to from 0 ~ 1024

  RainMapValue = map(RainsensorValue, 0, 1023, 1024, 1);

  float h = dht.readHumidity();

  float t = dht.readTemperature();

  if (isnan(h) || isnan(t)) {

    Serial.println("Failed to read from DHT sensor!");

    return;

  }

      //int chk = DHT.read11(dht_dpin);

    Blynk.virtualWrite(V1, t); 

    Blynk.virtualWrite(V2, h); 

  if (client.connect(server,80)) {

    String postStr = apiKey;

    postStr +="&field1=";

    postStr += String(t);

    postStr +="&field2=";

    postStr += String(h);

    postStr +="&field3=";

    postStr += String(RainMapValue);

    postStr += "\r\n\r\n";

    client.print("POST /update HTTP/1.1\n");

    client.print("Host: api.thingspeak.com\n");

    client.print("Connection: close\n");

    client.print("X-THINGSPEAKAPIKEY: "+apiKey+"\n");

    client.print("Content-Type: application/x-www-form-urlencoded\n");

    client.print("Content-Length: ");

    client.print(postStr.length());

    client.print("\n\n");

    client.print(postStr);

    Serial.print("Temperature: ");

    Serial.print(t );

    Serial.print("Humidity:");

    Serial.print(h );

    Serial.print(" Rain : (1-1024) ");

    //Serial.print(RainsensorValue );

    Serial.print(RainMapValue );   

    Serial.print(" light : ");

    //int sensorValue = analogRead(A1);

    //int LDI = 0;

    //LDI = digitalRead(LightDigitalInPin);

    //Serial.print(LDI);

    Serial.println(", Sending data to Thingspeak");

    client.stop();

    Serial.println("Waiting 6 secs"); 

    //delay(1000); 

    LEDTest();

  }

}

void LEDTest(){

  digitalWrite(LEDRDigitalInPin,HIGH);

  delay(1000);

  digitalWrite(LEDRDigitalInPin,LOW);

  delay(1000);  

  digitalWrite(LEDGDigitalInPin,HIGH);

  delay(1000);

  digitalWrite(LEDGDigitalInPin,LOW);

  delay(1000);    

  digitalWrite(LEDBDigitalInPin,HIGH);

  delay(1000);

  digitalWrite(LEDBDigitalInPin,LOW);

  delay(1000);  

  }