few fixes

__init__.py

@@ -57,7 +57,6 @@ async def async_unload_entry(hass: HomeAssistant, entry: ConfigEntry) -> bool:
 
 async def update_listener(hass: HomeAssistant, entry: ConfigEntry):
     """Handle options update."""
-    _LOGGER.warning("Update listener")
     # Retrieved the serial reader for this config entry
     try:
         serial_reader = hass.data[DOMAIN][entry.entry_id]

sensor.py

@@ -47,7 +47,7 @@ async def async_setup_entry(
     async_add_entities: AddEntitiesCallback,
 ) -> None:
     """Modern (thru config entry) sensors setup."""
-    _LOGGER.debug("%s: setting up binary sensor plateform", config_entry.title)
+    _LOGGER.debug("%s: setting up sensor plateform", config_entry.title)
     # Retrieve the serial reader object
     try:
         serial_reader = hass.data[DOMAIN][config_entry.entry_id]

serial_reader.py

@@ -176,7 +176,7 @@ def signalstop(self, event):
 
     def update_options(self, real_time: bool):
         """Setter to update serial reader options."""
-        _LOGGER.warning("%s: new real time option value: %s", self._title, real_time)
+        _LOGGER.debug("%s: new real time option value: %s", self._title, real_time)
         self._realtime = real_time
 
     def _cleanup_cache(self):