/*
*********************************************

		UNIVERSIDAD DE COSTA RICA
    	 FACULTAD DE EDUCACIÓN
                PROTEA
     
   CONTROL AUTOMÁTICO DEL CRECIMIENTO
  			 DE UNA PLANTA
                 
*********************************************
*/
#include <LiquidCrystal.h>


const int LM35 = A0;
const int motor = 13;
const int photoRes = A1; 

const int led1 = 10; 
const int led2 = 9; 
const int led3 = 8; 
const int led4 = 11; 

LiquidCrystal lcd(2, 3, 4, 5, 6, 7);

void setup() {
Serial.begin(9600);
lcd.begin(16, 2);
lcd.print("Planta");
lcd.setCursor(0,1);
lcd.print("Luz y agua");
pinMode(motor, OUTPUT);

pinMode(led1, OUTPUT); 
pinMode(led2, OUTPUT); 
pinMode(led3, OUTPUT); 
pinMode(led4, OUTPUT); 
delay(2000);
lcd.clear();
}

void loop() {

int light = analogRead(photoRes);
int value = analogRead(LM35);
//Serial.println(value);


if (value > 163){
lcd.clear();
digitalWrite(motor, HIGH);
lcd.print("Necesita agua");
delay(1000);
lcd.setCursor(0,0);

}
else {
lcd.clear();
digitalWrite(motor, LOW);
lcd.print("No necesita agua");
delay(1000);
lcd.setCursor(0,0);

}

if(light < 511)
{
digitalWrite(led1, HIGH);
digitalWrite(led2, HIGH); 
digitalWrite(led3, HIGH);
digitalWrite(led4, HIGH); 
}
else if(light > 511 && light < 614)
{
digitalWrite(led1, HIGH);
digitalWrite(led2, HIGH); 
digitalWrite(led3, HIGH); 
digitalWrite(led4, LOW); 
}
else if(light > 614 && light < 716)
{
digitalWrite(led1, HIGH);
digitalWrite(led2, HIGH); 
digitalWrite(led3, LOW); 
digitalWrite(led4, LOW); 
}
else if(light > 716 && light < 767)
{
digitalWrite(led1, HIGH);
digitalWrite(led2, LOW); 
digitalWrite(led3, LOW); 
digitalWrite(led4, LOW); 
}
else if(light > 767)
{
digitalWrite(led1, LOW);
digitalWrite(led2, LOW); 
digitalWrite(led3, LOW); 
digitalWrite(led4, LOW); 
}


//Serial.println(light);

//delay(1000);
}