mhz19.begin(rx_pin, tx_pin);
// LCD
- lcd.begin(16,2);
- lcd.setCursor(0,0);
+ lcd.begin(16, 2);
+ lcd.setCursor(0, 0);
lcd.print("Airing Butler");
- lcd.setCursor(0,1);
+ lcd.setCursor(0, 1);
lcd.print("says hello!");
// LEDs + buzzer
lcd.setCursor(0, 0);
lcd.print("CO2: ");
lcd.print(co2);
- lcd.print(" ppm ");
+ lcd.print(" ppm ");
+ lcd.setCursor(0, 1);
+ lcd.print("Temp: ");
+ lcd.print(temp);
+ lcd.print(" C +/- ");
lastppm = co2;
delay(5000);