diff --git a/app.py b/app.py
index 8022aea..6390202 100644
--- a/app.py
+++ b/app.py
@@ -1,4 +1,5 @@
 import os
+import time
 from dsmr_parser import telegram_specifications
 from dsmr_parser.clients import SerialReader, SERIAL_SETTINGS_V2_2, SERIAL_SETTINGS_V4, SERIAL_SETTINGS_V5
 
@@ -10,35 +11,46 @@ import logging
 
 logger = logging.getLogger(__name__)
 
-
 def main():
-    logging.basicConfig(format='%(asctime)s (%(levelname)s) [%(name)s] %(message)s', level=logging.INFO)
+    logfmt = "%(asctime)s [%(levelname)-5.5s] [%(name)s]  %(message)s"
+    logging.basicConfig(level=logging.INFO, format=logfmt, filename="dsmr2mqtt.log")
+    # set up logging to console
+    consolelog = logging.StreamHandler()
+    consolelog.setLevel(logging.INFO)
+    # set a format which is simpler for console use
+    formatter = logging.Formatter(logfmt)
+    consolelog.setFormatter(formatter)
+    logging.getLogger("").addHandler(consolelog)
+
     cfg = Settings()
     protocol_version: str = str(cfg.dsmr_protocol)
-    dev = str(cfg.dsmr_port)
     if 'V2' in protocol_version:
-        devsettings = SERIAL_SETTINGS_V2_2
+        serial_setup = SERIAL_SETTINGS_V2_2
         spec = telegram_specifications.V2_2
     elif 'V3' in protocol_version:
-        devsettings = SERIAL_SETTINGS_V4
+        serial_setup = SERIAL_SETTINGS_V4
         spec = telegram_specifications.V3
     elif 'V4' in protocol_version:
-        devsettings = SERIAL_SETTINGS_V4
+        serial_setup = SERIAL_SETTINGS_V4
         spec = telegram_specifications.V4
     else:
-        devsettings = SERIAL_SETTINGS_V5
+        serial_setup = SERIAL_SETTINGS_V5
         spec = telegram_specifications.V5
 
     device = Device_DSMR("dsmr", name="Digitale Slimme Meter")
 
-    serial_reader = SerialReader(dev, devsettings, spec)
+    serial_reader = SerialReader(cfg.dsmr_port, serial_setup, spec)
     while True:
         try:
             telegram = next(serial_reader.read_as_object())
+            device.update(telegram)
+            logger.info(f"New telegram at {telegram.P1_MESSAGE_TIMESTAMP.value}")
+            time.sleep(cfg.dsmr_update_interval)
         except SerialException as serial_exc:
             logger.warning("Serial exception", exc_info=serial_exc)
-    for telegram in serial_reader.read_as_object():
-        device.update(telegram)
+    # for telegram in serial_reader.read_as_object():
+    #         device.update(telegram)
+    
 
 if __name__ == "__main__":
     main()
\ No newline at end of file
diff --git a/app_settings.py b/app_settings.py
index 0dc0b40..c9da675 100644
--- a/app_settings.py
+++ b/app_settings.py
@@ -16,6 +16,7 @@ class Settings(BaseSettings):
 
     dsmr_port: str = Field('/dev/ttyUSB0', env='DSMR_PORT')
     dsmr_protocol: str = Field('V5', env='DSMR_PROTOCOL')
+    dsmr_update_interval: int = Field(15, env='DSMR_UPDATE_INTERVAL')
 
     homie_update_interval: int = 60
     homie_topic: str = Field('homie', env='HOMIE_TOPIC')
diff --git a/dsmr2mqtt.log b/dsmr2mqtt.log
new file mode 100644
index 0000000..02c4611
--- /dev/null
+++ b/dsmr2mqtt.log
@@ -0,0 +1,38 @@
+2020-06-03 22:12:14,941 [INFO ] [homie.mqtt.homie_mqtt_client]  Using new MQTT client, number of instances 0
+2020-06-03 22:12:14,953 [INFO ] [homie.mqtt.mqtt_base]  MQTT set will homie/dsmr/$state, topic lost
+2020-06-03 22:12:15,034 [INFO ] [homie.mqtt.paho_mqtt_client]  Starting MQTT publish thread
+2020-06-03 22:12:15,047 [INFO ] [homie.mqtt.paho_mqtt_client]  Starting Asyincio looping forever
+2020-06-03 22:12:15,058 [INFO ] [homie.device_base]  Device Start Digitale Slimme Meter
+2020-06-03 22:12:15,074 [INFO ] [homie.device_base]  Device MQTT Connected state is True
+2020-06-03 22:13:56,295 [INFO ] [homie.mqtt.homie_mqtt_client]  Using new MQTT client, number of instances 0
+2020-06-03 22:13:56,308 [INFO ] [homie.mqtt.mqtt_base]  MQTT set will homie/dsmr/$state, topic lost
+2020-06-03 22:13:56,381 [INFO ] [homie.mqtt.paho_mqtt_client]  Starting MQTT publish thread
+2020-06-03 22:13:56,395 [INFO ] [homie.mqtt.paho_mqtt_client]  Starting Asyincio looping forever
+2020-06-03 22:13:56,415 [INFO ] [homie.device_base]  Device Start Digitale Slimme Meter
+2020-06-03 22:13:56,425 [INFO ] [homie.device_base]  Device MQTT Connected state is True
+2020-06-03 22:14:16,943 [INFO ] [homie.mqtt.homie_mqtt_client]  Using new MQTT client, number of instances 0
+2020-06-03 22:14:16,956 [INFO ] [homie.mqtt.mqtt_base]  MQTT set will homie/dsmr/$state, topic lost
+2020-06-03 22:14:17,044 [INFO ] [homie.mqtt.paho_mqtt_client]  Starting MQTT publish thread
+2020-06-03 22:14:17,053 [INFO ] [homie.mqtt.paho_mqtt_client]  Starting Asyincio looping forever
+2020-06-03 22:14:17,065 [INFO ] [homie.device_base]  Device Start Digitale Slimme Meter
+2020-06-03 22:14:17,084 [INFO ] [homie.device_base]  Device MQTT Connected state is True
+2020-06-03 22:14:20,235 [INFO ] [__main__]  New telegram at 2020-06-03 20:14:40+00:00
+2020-06-03 22:14:36,297 [INFO ] [__main__]  New telegram at 2020-06-03 20:14:58+00:00
+2020-06-03 22:14:52,562 [INFO ] [__main__]  New telegram at 2020-06-03 20:15:14+00:00
+2020-06-03 22:15:09,207 [INFO ] [__main__]  New telegram at 2020-06-03 20:15:31+00:00
+2020-06-03 22:15:25,226 [INFO ] [__main__]  New telegram at 2020-06-03 20:15:47+00:00
+2020-06-03 22:15:41,354 [INFO ] [__main__]  New telegram at 2020-06-03 20:16:03+00:00
+2020-06-03 22:15:56,945 [WARNI] [dsmr_parser.clients.serial_]  Invalid telegram. The CRC checksum '11234' does not match the expected '13978'
+2020-06-03 22:15:58,235 [INFO ] [__main__]  New telegram at 2020-06-03 20:16:20+00:00
+2020-06-03 22:16:14,259 [INFO ] [__main__]  New telegram at 2020-06-03 20:16:36+00:00
+2020-06-03 22:16:30,293 [INFO ] [__main__]  New telegram at 2020-06-03 20:16:52+00:00
+2020-06-03 22:16:46,296 [INFO ] [__main__]  New telegram at 2020-06-03 20:17:08+00:00
+2020-06-03 22:17:02,745 [INFO ] [__main__]  New telegram at 2020-06-03 20:17:24+00:00
+2020-06-03 22:17:19,207 [INFO ] [__main__]  New telegram at 2020-06-03 20:17:41+00:00
+2020-06-03 22:17:35,349 [INFO ] [__main__]  New telegram at 2020-06-03 20:17:57+00:00
+2020-06-03 22:17:51,151 [WARNI] [dsmr_parser.clients.serial_]  Invalid telegram. The CRC checksum '44843' does not match the expected '24557'
+2020-06-03 22:17:52,374 [INFO ] [__main__]  New telegram at 2020-06-03 20:18:14+00:00
+2020-06-03 22:18:07,816 [WARNI] [dsmr_parser.clients.serial_]  Invalid telegram. The CRC checksum '18157' does not match the expected '39647'
+2020-06-03 22:18:09,205 [INFO ] [__main__]  New telegram at 2020-06-03 20:18:31+00:00
+2020-06-03 22:18:25,468 [INFO ] [__main__]  New telegram at 2020-06-03 20:18:47+00:00
+2020-06-03 22:18:42,205 [INFO ] [__main__]  New telegram at 2020-06-03 20:19:04+00:00