Log which sensor is expected

ampel-firmware/co2_sensor.cpp

@@ -73,11 +73,12 @@ namespace sensor {
      *  SDA --- SDA (GPIO21) //NOTE: GPIO1 would be more convenient (right next to GPO3)
      */
 #endif
+    Serial.println(F("Sensor   : Sensirion SCD30"));
     Serial.println();
     scd30.enableDebugging(); // Prints firmware version in the console.
 
     if (!scd30.begin(config::auto_calibrate_sensor)) {
-      Serial.println(F("ERROR - CO2 sensor not detected. Please check wiring!"));
+      Serial.println(F("ERROR - Sensirion SCD30 not detected. Please check wiring!"));
       led_effects::showKITTWheel(color::red, 30);
       ESP.restart();
     }