#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>
#include <LiquidCrystal_I2C.h>

#define DHTPIN 2        // Digital pin connected to the DHT sensor
#define DHTTYPE DHT22   // DHT 22  (AM2302), AM2321

// https://github.com/adafruit/DHT-sensor-library
DHT dht(DHTPIN, DHTTYPE);

LiquidCrystal_I2C lcd(0x27,20,4);  // set the LCD address to 0x27 for a 16 chars and 2 line display

#define HEATERPIN 4
#define WATERPIN 3

// This is ran only once at startup
void setup() {
  // Enable serial interface for debug output
  Serial.begin(115200);

  // Initialize sensor
  dht.begin();

  // Configure output pins
  pinMode(HEATERPIN, OUTPUT);
  pinMode(WATERPIN, OUTPUT);

  lcd.init();
  lcd.backlight();
}

// This is ran over and over again
void loop() {
  // float temperature = dht.readTemperature();
  // float humidity = dht.readHumidity();
  float temperature = 30;
  float humidity = 40;

	Serial.print(humidity, 1);
	Serial.print("%\t\t");
  lcd.setCursor(0,0);
  lcd.print(humidity);
	lcd.print("%");
	Serial.print(temperature, 1);
	Serial.print("C\n");
  lcd.setCursor(0,1);
  lcd.print(temperature);
	lcd.print("C");

  digitalWrite(HEATERPIN, temperature < 15 ? HIGH : LOW);
  digitalWrite(WATERPIN, humidity < 60 ? HIGH : LOW);

  delay(1000);
}