Adjust temperature offset value for WiFi mode

Author: davidkreidler

OpenCO2_Sensor.ino

@@ -317,7 +317,7 @@ void loadCredentials() {
 
 float getTempOffset() {
   if (!BatteryMode) {
-    if (useWiFi) return 12.2;
+    if (useWiFi) return 11.0;
     return 4.4;
   } else {
     return 0.0; // was with periodic measurment 0.8