비접촉 온도센서+LCD

#include <Wire.h>

#include <Adafruit_MLX90614.h>

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27,16,2);

Adafruit_MLX90614 mlx = Adafruit_MLX90614();

int relay=4;

void setup() {

pinMode(relay, OUTPUT);

Serial.begin(9600);

lcd.init();

lcd.backlight();

mlx.begin();

}

void loop() {

lcd.print("Temp");

lcd.print(mlx.readObjectTempC());

lcd.print("'C");

lcd.begin(16,2);

delay(500);

if(mlx.readObjectTempC()>30){

digitalWrite(relay, HIGH);

delay(500);

}

else{

digitalWrite(relay, LOW);

delay(500);

}

}