#include <LiquidCrystal.h>
#include <DHT.h>

#define DHTPIN  7
#define DHTTYPE DHT11

LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
DHT dht(DHTPIN, DHTTYPE);

// 部屋の湿度計に合わせた補正値
float adj = 0.675;

void setup()
{
    lcd.begin(16, 2);
    dht.begin();
    lcd.print("DHT11 starting");
    delay(2000);
    lcd.clear();
}

void loop()
{
    float hum  = dht.readHumidity();
    float temp = dht.readTemperature();

    if (isnan(hum) || isnan(temp)) {
        lcd.setCursor(0, 0);
        lcd.print("Sensor Error!   ");
        lcd.setCursor(0, 1);
        lcd.print("                ");
        delay(2000);
        return;
    }

    lcd.setCursor(0, 0);
    lcd.print("Temp:");
    lcd.print(temp, 1);
    lcd.print(" C   ");

    lcd.setCursor(0, 1);
    lcd.print("Hum :");
    lcd.print(hum * adj, 1);
    lcd.print(" %   ");

    delay(2000);
}