Simple Arduino code - LM75A thermometer + OLED + Arduino NANO

teplomer.ino

#include <U8g2lib.h>
#include <LM75A.h>

// Create display instance
U8G2_SSD1306_128X64_NONAME_1_HW_I2C u8g2(U8G2_R0);

// Create I2C LM75A instance
LM75A lm75a_sensor(false, false, false);

// temperature variable
float temperature_in_degrees = 0;

void setup(void)
{
    u8g2.begin();    
}

void loop(void) 
{ 
    // get temperature
    temperature_in_degrees = lm75a_sensor.getTemperatureInDegrees();
    delay(500);

    // draw everything
    u8g2.firstPage();
    do {
        // print logo
        u8g2.setFont(u8g2_font_t0_17b_tf  );
        u8g2.setCursor(15, 18);
        u8g2.print("bastlime.eu");

        // print temperature
        u8g2.setFont(u8g2_font_inb30_mn);
        u8g2.setCursor(0, 55);
        if (temperature_in_degrees == INVALID_LM75A_TEMPERATURE) {
            u8g2.print("ERROR");
        } else {
            u8g2.print(temperature_in_degrees);
        }
    } while (u8g2.nextPage());

    delay(100);
}