/*---------------------------------------------------------------

GARDENING

----------------------------------------------------------------*/
int light_sensor = A0;
int humidity_sensor = A2;
int temperature_sensor = A1;

int light_led = 13;
int humidity_led = 12;
int temperature_led = 11;

int buzzer = 10;

int light_sensor_value=0;
int humidity_sensor_value=0;
float temperature_sensor_value;

void setup()
{  
  Serial.begin(9600);
  
   pinMode(light_led,OUTPUT);
   pinMode(humidity_led,OUTPUT);
   pinMode(temperature_led,OUTPUT);
   
   pinMode(buzzer,OUTPUT);
}

void buzz()
{
   digitalWrite(buzzer,HIGH);
   delay(200);
   digitalWrite(buzzer,LOW);
   delay(200);
}

void loop()
{
   light_sensor_value=analogRead(light_sensor);
   humidity_sensor_value=analogRead(humidity_sensor);
   temperature_sensor_value=analogRead(temperature_sensor);
   
    temperature_sensor_value = temperature_sensor_value * 0.48828125;
   
   Serial.print("light=");
   Serial.print(light_sensor_value);
   Serial.print("\thumidity=");
   Serial.print(humidity_sensor_value);
   Serial.print("\ttemp=");
   Serial.print(temperature_sensor_value);
   Serial.print("*C");
   Serial.println();
   
   delay(100);
     
   if(light_sensor_value<=100)
     { 
       digitalWrite(light_led,HIGH);
       buzz();
      }
     else
       digitalWrite(light_led,LOW);
      
    if(humidity_sensor_value<200||humidity_sensor_value>=800)
      {
         digitalWrite(humidity_led,HIGH);
         buzz();
      }
         else 
             digitalWrite(humidity_led,LOW);
            
     if(temperature_sensor_value<18||temperature_sensor_value>25)
       {
          digitalWrite(temperature_led,HIGH);
          buzz();
       }
     else
        digitalWrite(temperature_led,LOW);
        
  delay(50);

}