X-Git-Url: https://git.toastfreeware.priv.at/toast/airingbutler.git/blobdiff_plain/ee2821ca637d9d5a79a37249275f54cf5b567d53..77ddbde90ffdf3a4a6265094f0d2c33844cd3724:/airingbutler.ino

diff --git a/airingbutler.ino b/airingbutler.ino
index 075db34..b4579e6 100644
--- a/airingbutler.ino
+++ b/airingbutler.ino
@@ -14,6 +14,8 @@ const int buzzer_pin = 13;
 const int co2_warning_thr = 1000;
 const int co2_alarm_thr   = 1500;
 
+const unsigned long warmuptime = 60000; // 1 min.
+
 MHZ19 mhz19 = MHZ19(rx_pin,tx_pin);
 LiquidCrystal lcd(7, 8, 9, 10, 11, 12);
 
@@ -96,6 +98,9 @@ void loop()
 	lcd.setCursor(0, 0);
 	lcd.print("CO2: ");
 	lcd.print(co2);
+	if (time < warmuptime && (co2 == -1 || co2 == 410)) {
+		lcd.print (" (W)");
+	}
 	lcd.print(" ppm    ");
 	lcd.setCursor(0, 1);
 	lcd.print("Temp: ");