#include "max6675.h"
#include <LiquidCrystal.h>

const int motor = 13;
const int LedRed = 12;
const int LedGreen = 11;
int thermoDO = 4;
int thermoCS = 5;
int thermoCLK = 6;

MAX6675 thermocouple(thermoCLK, thermoCS, thermoDO);

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

void setup() {

 // put your setup code here, to run once:
  
  // setup - LCD
  // set up the LCD's number of columns and rows:

  Serial.begin(9600);
  lcd.begin(16, 2);
  lcd.print("Automated Plant");
  lcd.setCursor(0,1);
  lcd.print("Watering System!");
  pinMode(motor, OUTPUT);
  pinMode(LedRed, OUTPUT);
  pinMode(LedGreen, OUTPUT);
  delay(2000);
  lcd.clear();
  lcd.print("Temp= ");
  lcd.setCursor(0,1);
  lcd.print("WaterPump= ON");
  delay(500);
}

void loop() {
  // basic readout test, just print the current temp
  
  Serial.print("C = "); 
  Serial.println(thermocouple.readCelsius());
 
  // For the MAX6675 to update, you must delay AT LEAST 250ms between reads!
  int value = analogRead(0);
  float Temperature = ( 5.0 * value* 100.0) / 1024.0;
  lcd.setCursor(6,0);
  lcd.print(Temperature); 
  lcd.setCursor(11,1);
  

  if (Temperature > 42){
    digitalWrite(motor, HIGH);
    digitalWrite(LedRed, HIGH);
    digitalWrite(LedGreen, LOW);
    lcd.print("ON ");
  }
  else {
    digitalWrite(motor, LOW);
    digitalWrite(LedRed, LOW);
    digitalWrite(LedGreen, HIGH);
    lcd.print("OFF");
  }
  delay(1000);
}