AgriCloud1.ino

//AGRICLOUD PROGRAM 1


#include <DHT.h>  // Including library for dht
#include <ESP8266WiFi.h>

String apiKey = "UX3Z4FYVUJLI8PLG";     //  Enter your Write API key from ThingSpeak    
const char *ssid =  "home";     // replace with your wifi ssid and wpa2 key
const char *pass =  "12345678";
const char* server = "api.thingspeak.com";
int WET= 12; // Wet Indicator at Digital pin D0  
int sensor = 13; // IR SENSOR OUT TO PIN D7
int DRY= 2;  // Dry Indicator at Digital pin D4
int sense_Pin = 0; // sensor input at Analog pin A0 connect soil moisture d0 to a0
int Status = 16;  // IR LED OUT STATUS TO D6 
int value = 0; // just a variable
//const int buzzer =  4; IR OUTPUT BUZZER TO PIN D2 (test alter)

#define DHTPIN 5   //only for dht pin 0
DHT dht(DHTPIN, DHT11);
WiFiClient client;
void setup() 
{
   Serial.begin(9600);
// pinMode(buzzer, OUTPUT);
   pinMode(WET, OUTPUT);
   pinMode(DRY, OUTPUT);
   pinMode(sensor, INPUT);   // declare sensor as input
   pinMode(Status, OUTPUT);  // declare LED as output
   pinMode(LED_BUILTIN,OUTPUT);
   delay(2000);
    
       delay(10);
       dht.begin();
 
       Serial.println("Connecting to ");
       Serial.println(ssid);
 
 
       WiFi.begin(ssid,pass);
 
      while (WiFi.status() != WL_CONNECTED) 
     {
            delay(500);
            Serial.print(".");
     }
      Serial.println("");
      Serial.println("WiFi connected");
}
void loop() 
{
  ir(); 
  dht_THINGSPEAK();
  fc_26();
  delay(2000);
  
  
}


void dht_THINGSPEAK()
{
   float h = dht.readHumidity();
      float t = dht.readTemperature();
      
              if (isnan(h) || isnan(t)) 
                 {
                     Serial.println("Failed to read from DHT sensor!");
                      return;
                 }

                         if (client.connect(server,80))   //   "184.106.153.149" or api.thingspeak.com
                      {  
                            
                             String postStr = apiKey;
                             postStr +="&field1=";
                             postStr += String(t);
                             postStr +="&field2=";
                             postStr += String(h);
                             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(" degrees Celcius, Humidity: ");
                             Serial.print(h);
                             Serial.println("%. Send to Thingspeak.");
                        }
//          client.stop();
 
          Serial.println("Waiting...");
  
  // thingspeak needs minimum 15 sec delay between updates, i've set it to 30 seconds
//  delay(10000);
}
void fc_26()
{
   Serial.print("MOISTURE LEVEL : ");
   value= analogRead(sense_Pin);
   value= value/10;
   Serial.println(value);

        if(value<50)
        {
            digitalWrite(WET, HIGH);
        }
       else
       {
           digitalWrite(DRY,HIGH);
       }

//       delay(1000);

       digitalWrite(WET,LOW);

       digitalWrite(DRY, LOW);

        if (client.connect(server,80))   //   "184.106.153.149" or api.thingspeak.com
                      {  
                            
                             String postStr = apiKey;
                             postStr +="&field3=";
                             postStr += String(value);
                             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(" degrees Celcius, Humidity: ");
//                             Serial.print(h);
//                             Serial.println("%. Send to Thingspeak.");
                        }
//          client.stop();

//delay(1000);
}

void ir()
{
  long state = digitalRead(sensor);
    if (state==0)
  {
    Serial.println("1");
    digitalWrite(LED_BUILTIN,HIGH); // turn the LED on (HIGH is the voltage level)
    digitalWrite(Status,HIGH);   
//    delay(1000);
  }     
  else 
  {
    Serial.println("0");
     digitalWrite(LED_BUILTIN,LOW);
     digitalWrite(Status,LOW);  
  }
}