diff --git a/AutoConfig.cpp b/AutoConfig.cpp
index dbbd574..631aca6 100644
--- a/AutoConfig.cpp
+++ b/AutoConfig.cpp
@@ -1,402 +1,403 @@
-#include <ArduinoJson.h>
-#include "MQTTPublisher.h"
-#include "AutoConfig.h"
-#include "Settings.h"
-#include "Logger.h"
-
-#pragma once
-
-/**
- * instantiate AutoConfig class.
- *  *
- * @param mqttPublisher Publisher for sending msgs
- * @param identifier ESP identifier
- */
-AutoConfig::AutoConfig(MQTTPublisher &mqttPublisher, String identifier)
-{
-    _mqttPublisher = mqttPublisher;
-    _identifier = identifier;
-    logger = Logger("AutoConfig");
-}
-
-AutoConfig::AutoConfig() {}
-
-/**
- * Send sensor config for Home Assistant 
- */
-void AutoConfig::SendConfig()
-{
-    logger = Logger("AutoConfig");
-    logger.info("Start auto config");
-
-    char mqttPayload[2048];
-    DynamicJsonDocument device(256);
-    DynamicJsonDocument autoconfPayload(1024);
-    StaticJsonDocument<64> identifiersDoc;
-    JsonArray identifiers = identifiersDoc.to<JsonArray>();
-
-    // Set device properties
-    identifiers.add(_identifier);
-    device["identifiers"] = identifiers;
-    device["manufacturer"] = "Bram2202";
-    device["model"] = "ESP-DSMR";
-    device["name"] = _identifier;
-    device["sw_version"] = "v1.3.1";
-
-    // power_consumption
-    autoconfPayload["device"] = device.as<JsonObject>();
-    autoconfPayload["availability_topic"] = _identifier + "/power/consumption/status";
-    autoconfPayload["state_topic"] = _identifier + "/power/consumption";
-    autoconfPayload["last_reset_topic"] = _identifier + "/power/consumption/reset";
-    autoconfPayload["name"] = _identifier + "_power_consumption";
-    autoconfPayload["unit_of_measurement"] = "kW";
-    autoconfPayload["unique_id"] = "power_consumption";
-    autoconfPayload["icon"] = "mdi:flash";
-    autoconfPayload["device_class"] = "power";
-    autoconfPayload["state_class"] = "measurement";
-    serializeJson(autoconfPayload, mqttPayload);
-    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/power_consumption/config", &mqttPayload[0], false);
-    autoconfPayload.clear();
-
-    // power_production
-    autoconfPayload["device"] = device.as<JsonObject>();
-    autoconfPayload["availability_topic"] = _identifier + "/power/production/status";
-    autoconfPayload["state_topic"] = _identifier + "/power/production";
-    autoconfPayload["last_reset_topic"] = _identifier + "/power/production/reset";
-    autoconfPayload["name"] = _identifier + "_power_production";
-    autoconfPayload["unit_of_measurement"] = "kW";
-    autoconfPayload["unique_id"] = "power_production";
-    autoconfPayload["icon"] = "mdi:flash";
-    autoconfPayload["device_class"] = "power";
-    autoconfPayload["state_class"] = "measurement";
-    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
-    serializeJson(autoconfPayload, mqttPayload);
-    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/power_production/config", &mqttPayload[0], false);
-    autoconfPayload.clear();
-
-    // total_consumption_tariff_1
-    autoconfPayload["device"] = device.as<JsonObject>();
-    autoconfPayload["availability_topic"] = _identifier + "/power/total_consumption_tariff_1/status";
-    autoconfPayload["state_topic"] = _identifier + "/power/total_consumption_tariff_1";
-    autoconfPayload["last_reset_topic"] = _identifier + "/power/total_consumption_tariff_1/reset";
-    autoconfPayload["name"] = _identifier + "_total_consumption_tariff_1";
-    autoconfPayload["unit_of_measurement"] = "kWh";
-    autoconfPayload["unique_id"] = "total_consumption_tariff_1";
-    autoconfPayload["icon"] = "mdi:counter";
-    autoconfPayload["device_class"] = "energy";
-    autoconfPayload["state_class"] = "measurement";
-    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
-    serializeJson(autoconfPayload, mqttPayload);
-    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/total_consumption_tariff_1/config", &mqttPayload[0], false);
-    autoconfPayload.clear();
-
-    // total_consumption_tariff_2
-    autoconfPayload["device"] = device.as<JsonObject>();
-    autoconfPayload["availability_topic"] = _identifier + "/power/total_consumption_tariff_2/status";
-    autoconfPayload["state_topic"] = _identifier + "/power/total_consumption_tariff_2";
-    autoconfPayload["last_reset_topic"] = _identifier + "/power/total_consumption_tariff_2/reset";
-    autoconfPayload["name"] = _identifier + "_total_consumption_tariff_2";
-    autoconfPayload["unit_of_measurement"] = "kWh";
-    autoconfPayload["unique_id"] = "total_consumption_tariff_2";
-    autoconfPayload["icon"] = "mdi:counter";
-    autoconfPayload["device_class"] = "energy";
-    autoconfPayload["state_class"] = "measurement";
-    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
-    serializeJson(autoconfPayload, mqttPayload);
-    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/total_consumption_tariff_2/config", &mqttPayload[0], false);
-    autoconfPayload.clear();
-
-    // total_production_tariff_1
-    autoconfPayload["device"] = device.as<JsonObject>();
-    autoconfPayload["availability_topic"] = _identifier + "/power/total_production_tariff_1/status";
-    autoconfPayload["state_topic"] = _identifier + "/power/total_production_tariff_1";
-    autoconfPayload["last_reset_topic"] = _identifier + "/power/total_production_tariff_1/reset";
-    autoconfPayload["name"] = _identifier + "_total_production_tariff_1";
-    autoconfPayload["unit_of_measurement"] = "kWh";
-    autoconfPayload["unique_id"] = "total_production_tariff_1";
-    autoconfPayload["icon"] = "mdi:counter";
-    autoconfPayload["device_class"] = "energy";
-    autoconfPayload["state_class"] = "measurement";
-    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
-    serializeJson(autoconfPayload, mqttPayload);
-    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/total_production_tariff_1/config", &mqttPayload[0], false);
-    autoconfPayload.clear();
-
-    // total_production_tariff_2
-    autoconfPayload["device"] = device.as<JsonObject>();
-    autoconfPayload["availability_topic"] = _identifier + "/power/total_production_tariff_2/status";
-    autoconfPayload["state_topic"] = _identifier + "/power/total_production_tariff_2";
-    autoconfPayload["last_reset_topic"] = _identifier + "/power/total_production_tariff_2/reset";
-    autoconfPayload["name"] = _identifier + "_total_production_tariff_2";
-    autoconfPayload["unit_of_measurement"] = "kWh";
-    autoconfPayload["unique_id"] = "total_production_tariff_2";
-    autoconfPayload["icon"] = "mdi:counter";
-    autoconfPayload["device_class"] = "energy";
-    autoconfPayload["state_class"] = "measurement";
-    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
-    serializeJson(autoconfPayload, mqttPayload);
-    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/total_production_tariff_2/config", &mqttPayload[0], false);
-    autoconfPayload.clear();
-
-    // power_tariff
-    autoconfPayload["device"] = device.as<JsonObject>();
-    autoconfPayload["availability_topic"] = _identifier + "/power/power_tariff/status";
-    autoconfPayload["state_topic"] = _identifier + "/power/power_tariff";
-    autoconfPayload["name"] = _identifier + "_power_tariff";
-    autoconfPayload["unique_id"] = "power_tariff";
-    serializeJson(autoconfPayload, mqttPayload);
-    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/power_tariff/config", &mqttPayload[0], false);
-    autoconfPayload.clear();
-
-    // Extra stuff here
-    if (AUTOCONFIG_POWER_EXTENDED)
-    {
-        // short power outages
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/short_power_outages/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/short_power_outages";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/short_power_outages/reset";
-        autoconfPayload["name"] = _identifier + "_short_power_outages";
-        autoconfPayload["unique_id"] = "short_power_outages";
-        autoconfPayload["icon"] = "mdi:flash-off";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/short_power_outages/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // long power outages
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/long_power_outages/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/long_power_outages";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/long_power_outages/reset";
-        autoconfPayload["name"] = _identifier + "_long_power_outages";
-        autoconfPayload["unique_id"] = "long_power_outages";
-        autoconfPayload["icon"] = "mdi:flash-off";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/long_power_outages/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // instant current phase 1
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/current/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/current";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/current/reset";
-        autoconfPayload["name"] = _identifier + "_phase_1_current";
-        autoconfPayload["unit_of_measurement"] = "A";
-        autoconfPayload["unique_id"] = "phase_1_current";
-        autoconfPayload["icon"] = "mdi:flash";
-        autoconfPayload["device_class"] = "current";
-        autoconfPayload["state_class"] = "measurement";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_current/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // instant current phase 2
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/current/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/current";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/current/reset";
-        autoconfPayload["name"] = _identifier + "_phase_2_current";
-        autoconfPayload["unit_of_measurement"] = "A";
-        autoconfPayload["unique_id"] = "phase_2_current";
-        autoconfPayload["icon"] = "mdi:flash";
-        autoconfPayload["device_class"] = "current";
-        autoconfPayload["state_class"] = "measurement";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_current/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // instant current phase 3
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/current/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/current";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/current/reset";
-        autoconfPayload["name"] = _identifier + "_phase_3_current";
-        autoconfPayload["unit_of_measurement"] = "A";
-        autoconfPayload["unique_id"] = "phase_3_current";
-        autoconfPayload["icon"] = "mdi:flash";
-        autoconfPayload["device_class"] = "current";
-        autoconfPayload["state_class"] = "measurement";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_current/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // instant consumption phase 1
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/consumption/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/consumption";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/consumption/reset";
-        autoconfPayload["name"] = _identifier + "_phase_1_consumption";
-        autoconfPayload["unit_of_measurement"] = "kW";
-        autoconfPayload["unique_id"] = "phase_1_consumption";
-        autoconfPayload["icon"] = "mdi:flash";
-        autoconfPayload["device_class"] = "power";
-        autoconfPayload["state_class"] = "measurement";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_consumption/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // instant consumption phase 2
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/consumption/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/consumption";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/consumption/reset";
-        autoconfPayload["name"] = _identifier + "_phase_2_consumption";
-        autoconfPayload["unit_of_measurement"] = "kW";
-        autoconfPayload["unique_id"] = "phase_2_consumption";
-        autoconfPayload["icon"] = "mdi:flash";
-        autoconfPayload["device_class"] = "power";
-        autoconfPayload["state_class"] = "measurement";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_consumption/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // instant consumption phase 3
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/consumption/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/consumption";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/consumption/reset";
-        autoconfPayload["name"] = _identifier + "_phase_3_consumption";
-        autoconfPayload["unit_of_measurement"] = "kW";
-        autoconfPayload["unique_id"] = "phase_3_consumption";
-        autoconfPayload["icon"] = "mdi:flash";
-        autoconfPayload["device_class"] = "power";
-        autoconfPayload["state_class"] = "measurement";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_consumption/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // instant production phase 1
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/production/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/production";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/production/reset";
-        autoconfPayload["name"] = _identifier + "_phase_1_production";
-        autoconfPayload["unit_of_measurement"] = "kW";
-        autoconfPayload["unique_id"] = "phase_1_production";
-        autoconfPayload["icon"] = "mdi:flash";
-        autoconfPayload["device_class"] = "power";
-        autoconfPayload["state_class"] = "measurement";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_production/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // instant production phase 2
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/production/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/production";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/production/reset";
-        autoconfPayload["name"] = _identifier + "_phase_2_production";
-        autoconfPayload["unit_of_measurement"] = "kW";
-        autoconfPayload["unique_id"] = "phase_2_production";
-        autoconfPayload["icon"] = "mdi:flash";
-        autoconfPayload["device_class"] = "power";
-        autoconfPayload["state_class"] = "measurement";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_production/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // instant production phase 1
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/production/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/production";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/production/reset";
-        autoconfPayload["name"] = _identifier + "_phase_3_production";
-        autoconfPayload["unit_of_measurement"] = "kW";
-        autoconfPayload["unique_id"] = "phase_3_production";
-        autoconfPayload["icon"] = "mdi:flash";
-        autoconfPayload["device_class"] = "power";
-        autoconfPayload["state_class"] = "measurement";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_production/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // short drops phase 1
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/drops/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/drops";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/drops/reset";
-        autoconfPayload["name"] = _identifier + "_phase_1_drops";
-        autoconfPayload["unique_id"] = "phase_1_drops";
-        autoconfPayload["icon"] = "mdi:chart-sankey";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_drops/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // short drops phase 2
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/drops/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/drops";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/drops/reset";
-        autoconfPayload["name"] = _identifier + "_phase_2_drops";
-        autoconfPayload["unique_id"] = "phase_2_drops";
-        autoconfPayload["icon"] = "mdi:chart-sankey";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_drops/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // short drops phase 3
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/drops/status";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/drops";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/drops/reset";
-        autoconfPayload["name"] = _identifier + "_phase_3_drops";
-        autoconfPayload["unique_id"] = "phase_3_drops";
-        autoconfPayload["icon"] = "mdi:chart-sankey";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_drops/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // short peaks phase 1
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/drops/peaks";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/peaks";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/peaks/reset";
-        autoconfPayload["name"] = _identifier + "_phase_1_peaks";
-        autoconfPayload["unique_id"] = "phase_1_peaks";
-        autoconfPayload["icon"] = "mdi:chart-bell-curve";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_peaks/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // short peaks phase 2
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/drops/peaks";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/peaks";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/peaks/reset";
-        autoconfPayload["name"] = _identifier + "_phase_2_peaks";
-        autoconfPayload["unique_id"] = "phase_2_peaks";
-        autoconfPayload["icon"] = "mdi:chart-bell-curve";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_peaks/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-
-        // short peaks phase 3
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/drops/peaks";
-        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/peaks";
-        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/peaks/reset";
-        autoconfPayload["name"] = _identifier + "_phase_3_peaks";
-        autoconfPayload["unique_id"] = "phase_3_peaks";
-        autoconfPayload["icon"] = "mdi:chart-bell-curve";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_peaks/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-    }
-
-    if (AUTOCONFIG_GAS)
-    {
-        // Gas
-        autoconfPayload["device"] = device.as<JsonObject>();
-        autoconfPayload["availability_topic"] = _identifier + "gas/total/status";
-        autoconfPayload["state_topic"] = _identifier + "gas/total";
-        autoconfPayload["last_reset_topic"] = _identifier + "gas/total/reset";
-        autoconfPayload["name"] = _identifier + "_total_gas";
-        autoconfPayload["unit_of_measurement"] = "kWh";
-        autoconfPayload["unique_id"] = "gas/total";
-        autoconfPayload["icon"] = "mdi:counter";
-        autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
-        serializeJson(autoconfPayload, mqttPayload);
-        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/gas_total/config", &mqttPayload[0], false);
-        autoconfPayload.clear();
-    }
-}
+
+#include <ArduinoJson.h>
+#include "MQTTPublisher.h"
+#include "AutoConfig.h"
+#include "Settings.h"
+#include "Logger.h"
+
+#pragma once
+
+/**
+ * instantiate AutoConfig class.
+ *  *
+ * @param mqttPublisher Publisher for sending msgs
+ * @param identifier ESP identifier
+ */
+AutoConfig::AutoConfig(MQTTPublisher &mqttPublisher, String identifier)
+{
+    _mqttPublisher = mqttPublisher;
+    _identifier = identifier;
+    logger = Logger("AutoConfig");
+}
+
+AutoConfig::AutoConfig() {}
+
+/**
+ * Send sensor config for Home Assistant 
+ */
+void AutoConfig::SendConfig()
+{
+    logger = Logger("AutoConfig");
+    logger.info("Start auto config");
+
+    char mqttPayload[2048];
+    DynamicJsonDocument device(256);
+    DynamicJsonDocument autoconfPayload(1024);
+    StaticJsonDocument<64> identifiersDoc;
+    JsonArray identifiers = identifiersDoc.to<JsonArray>();
+
+    // Set device properties
+    identifiers.add(_identifier);
+    device["identifiers"] = identifiers;
+    device["manufacturer"] = "Bram2202";
+    device["model"] = "ESP-DSMR";
+    device["name"] = _identifier;
+    device["sw_version"] = "v1.3.1";
+
+    // power_consumption
+    autoconfPayload["device"] = device.as<JsonObject>();
+    autoconfPayload["availability_topic"] = _identifier + "/power/consumption/status";
+    autoconfPayload["state_topic"] = _identifier + "/power/consumption";
+    autoconfPayload["last_reset_topic"] = _identifier + "/power/consumption/reset";
+    autoconfPayload["name"] = _identifier + "_power_consumption";
+    autoconfPayload["unit_of_measurement"] = "kW";
+    autoconfPayload["unique_id"] = "power_consumption";
+    autoconfPayload["icon"] = "mdi:flash";
+    autoconfPayload["device_class"] = "power";
+    autoconfPayload["state_class"] = "measurement";
+    serializeJson(autoconfPayload, mqttPayload);
+    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/power_consumption/config", &mqttPayload[0], false);
+    autoconfPayload.clear();
+
+    // power_production
+    autoconfPayload["device"] = device.as<JsonObject>();
+    autoconfPayload["availability_topic"] = _identifier + "/power/production/status";
+    autoconfPayload["state_topic"] = _identifier + "/power/production";
+    autoconfPayload["last_reset_topic"] = _identifier + "/power/production/reset";
+    autoconfPayload["name"] = _identifier + "_power_production";
+    autoconfPayload["unit_of_measurement"] = "kW";
+    autoconfPayload["unique_id"] = "power_production";
+    autoconfPayload["icon"] = "mdi:flash";
+    autoconfPayload["device_class"] = "power";
+    autoconfPayload["state_class"] = "measurement";
+    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
+    serializeJson(autoconfPayload, mqttPayload);
+    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/power_production/config", &mqttPayload[0], false);
+    autoconfPayload.clear();
+
+    // total_consumption_tariff_1
+    autoconfPayload["device"] = device.as<JsonObject>();
+    autoconfPayload["availability_topic"] = _identifier + "/power/total_consumption_tariff_1/status";
+    autoconfPayload["state_topic"] = _identifier + "/power/total_consumption_tariff_1";
+    autoconfPayload["last_reset_topic"] = _identifier + "/power/total_consumption_tariff_1/reset";
+    autoconfPayload["name"] = _identifier + "_total_consumption_tariff_1";
+    autoconfPayload["unit_of_measurement"] = "kWh";
+    autoconfPayload["unique_id"] = "total_consumption_tariff_1";
+    autoconfPayload["icon"] = "mdi:counter";
+    autoconfPayload["device_class"] = "energy";
+    autoconfPayload["state_class"] = "measurement";
+    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
+    serializeJson(autoconfPayload, mqttPayload);
+    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/total_consumption_tariff_1/config", &mqttPayload[0], false);
+    autoconfPayload.clear();
+
+    // total_consumption_tariff_2
+    autoconfPayload["device"] = device.as<JsonObject>();
+    autoconfPayload["availability_topic"] = _identifier + "/power/total_consumption_tariff_2/status";
+    autoconfPayload["state_topic"] = _identifier + "/power/total_consumption_tariff_2";
+    autoconfPayload["last_reset_topic"] = _identifier + "/power/total_consumption_tariff_2/reset";
+    autoconfPayload["name"] = _identifier + "_total_consumption_tariff_2";
+    autoconfPayload["unit_of_measurement"] = "kWh";
+    autoconfPayload["unique_id"] = "total_consumption_tariff_2";
+    autoconfPayload["icon"] = "mdi:counter";
+    autoconfPayload["device_class"] = "energy";
+    autoconfPayload["state_class"] = "measurement";
+    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
+    serializeJson(autoconfPayload, mqttPayload);
+    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/total_consumption_tariff_2/config", &mqttPayload[0], false);
+    autoconfPayload.clear();
+
+    // total_production_tariff_1
+    autoconfPayload["device"] = device.as<JsonObject>();
+    autoconfPayload["availability_topic"] = _identifier + "/power/total_production_tariff_1/status";
+    autoconfPayload["state_topic"] = _identifier + "/power/total_production_tariff_1";
+    autoconfPayload["last_reset_topic"] = _identifier + "/power/total_production_tariff_1/reset";
+    autoconfPayload["name"] = _identifier + "_total_production_tariff_1";
+    autoconfPayload["unit_of_measurement"] = "kWh";
+    autoconfPayload["unique_id"] = "total_production_tariff_1";
+    autoconfPayload["icon"] = "mdi:counter";
+    autoconfPayload["device_class"] = "energy";
+    autoconfPayload["state_class"] = "measurement";
+    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
+    serializeJson(autoconfPayload, mqttPayload);
+    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/total_production_tariff_1/config", &mqttPayload[0], false);
+    autoconfPayload.clear();
+
+    // total_production_tariff_2
+    autoconfPayload["device"] = device.as<JsonObject>();
+    autoconfPayload["availability_topic"] = _identifier + "/power/total_production_tariff_2/status";
+    autoconfPayload["state_topic"] = _identifier + "/power/total_production_tariff_2";
+    autoconfPayload["last_reset_topic"] = _identifier + "/power/total_production_tariff_2/reset";
+    autoconfPayload["name"] = _identifier + "_total_production_tariff_2";
+    autoconfPayload["unit_of_measurement"] = "kWh";
+    autoconfPayload["unique_id"] = "total_production_tariff_2";
+    autoconfPayload["icon"] = "mdi:counter";
+    autoconfPayload["device_class"] = "energy";
+    autoconfPayload["state_class"] = "measurement";
+    autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
+    serializeJson(autoconfPayload, mqttPayload);
+    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/total_production_tariff_2/config", &mqttPayload[0], false);
+    autoconfPayload.clear();
+
+    // power_tariff
+    autoconfPayload["device"] = device.as<JsonObject>();
+    autoconfPayload["availability_topic"] = _identifier + "/power/power_tariff/status";
+    autoconfPayload["state_topic"] = _identifier + "/power/power_tariff";
+    autoconfPayload["name"] = _identifier + "_power_tariff";
+    autoconfPayload["unique_id"] = "power_tariff";
+    serializeJson(autoconfPayload, mqttPayload);
+    _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/power_tariff/config", &mqttPayload[0], false);
+    autoconfPayload.clear();
+
+    // Extra stuff here
+    if (AUTOCONFIG_POWER_EXTENDED)
+    {
+        // short power outages
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/short_power_outages/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/short_power_outages";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/short_power_outages/reset";
+        autoconfPayload["name"] = _identifier + "_short_power_outages";
+        autoconfPayload["unique_id"] = "short_power_outages";
+        autoconfPayload["icon"] = "mdi:flash-off";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/short_power_outages/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // long power outages
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/long_power_outages/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/long_power_outages";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/long_power_outages/reset";
+        autoconfPayload["name"] = _identifier + "_long_power_outages";
+        autoconfPayload["unique_id"] = "long_power_outages";
+        autoconfPayload["icon"] = "mdi:flash-off";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/long_power_outages/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // instant current phase 1
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/current/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/current";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/current/reset";
+        autoconfPayload["name"] = _identifier + "_phase_1_current";
+        autoconfPayload["unit_of_measurement"] = "A";
+        autoconfPayload["unique_id"] = "phase_1_current";
+        autoconfPayload["icon"] = "mdi:flash";
+        autoconfPayload["device_class"] = "current";
+        autoconfPayload["state_class"] = "measurement";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_current/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // instant current phase 2
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/current/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/current";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/current/reset";
+        autoconfPayload["name"] = _identifier + "_phase_2_current";
+        autoconfPayload["unit_of_measurement"] = "A";
+        autoconfPayload["unique_id"] = "phase_2_current";
+        autoconfPayload["icon"] = "mdi:flash";
+        autoconfPayload["device_class"] = "current";
+        autoconfPayload["state_class"] = "measurement";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_current/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // instant current phase 3
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/current/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/current";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/current/reset";
+        autoconfPayload["name"] = _identifier + "_phase_3_current";
+        autoconfPayload["unit_of_measurement"] = "A";
+        autoconfPayload["unique_id"] = "phase_3_current";
+        autoconfPayload["icon"] = "mdi:flash";
+        autoconfPayload["device_class"] = "current";
+        autoconfPayload["state_class"] = "measurement";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_current/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // instant consumption phase 1
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/consumption/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/consumption";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/consumption/reset";
+        autoconfPayload["name"] = _identifier + "_phase_1_consumption";
+        autoconfPayload["unit_of_measurement"] = "kW";
+        autoconfPayload["unique_id"] = "phase_1_consumption";
+        autoconfPayload["icon"] = "mdi:flash";
+        autoconfPayload["device_class"] = "power";
+        autoconfPayload["state_class"] = "measurement";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_consumption/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // instant consumption phase 2
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/consumption/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/consumption";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/consumption/reset";
+        autoconfPayload["name"] = _identifier + "_phase_2_consumption";
+        autoconfPayload["unit_of_measurement"] = "kW";
+        autoconfPayload["unique_id"] = "phase_2_consumption";
+        autoconfPayload["icon"] = "mdi:flash";
+        autoconfPayload["device_class"] = "power";
+        autoconfPayload["state_class"] = "measurement";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_consumption/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // instant consumption phase 3
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/consumption/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/consumption";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/consumption/reset";
+        autoconfPayload["name"] = _identifier + "_phase_3_consumption";
+        autoconfPayload["unit_of_measurement"] = "kW";
+        autoconfPayload["unique_id"] = "phase_3_consumption";
+        autoconfPayload["icon"] = "mdi:flash";
+        autoconfPayload["device_class"] = "power";
+        autoconfPayload["state_class"] = "measurement";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_consumption/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // instant production phase 1
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/production/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/production";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/production/reset";
+        autoconfPayload["name"] = _identifier + "_phase_1_production";
+        autoconfPayload["unit_of_measurement"] = "kW";
+        autoconfPayload["unique_id"] = "phase_1_production";
+        autoconfPayload["icon"] = "mdi:flash";
+        autoconfPayload["device_class"] = "power";
+        autoconfPayload["state_class"] = "measurement";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_production/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // instant production phase 2
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/production/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/production";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/production/reset";
+        autoconfPayload["name"] = _identifier + "_phase_2_production";
+        autoconfPayload["unit_of_measurement"] = "kW";
+        autoconfPayload["unique_id"] = "phase_2_production";
+        autoconfPayload["icon"] = "mdi:flash";
+        autoconfPayload["device_class"] = "power";
+        autoconfPayload["state_class"] = "measurement";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_production/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // instant production phase 1
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/production/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/production";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/production/reset";
+        autoconfPayload["name"] = _identifier + "_phase_3_production";
+        autoconfPayload["unit_of_measurement"] = "kW";
+        autoconfPayload["unique_id"] = "phase_3_production";
+        autoconfPayload["icon"] = "mdi:flash";
+        autoconfPayload["device_class"] = "power";
+        autoconfPayload["state_class"] = "measurement";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_production/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // short drops phase 1
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/drops/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/drops";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/drops/reset";
+        autoconfPayload["name"] = _identifier + "_phase_1_drops";
+        autoconfPayload["unique_id"] = "phase_1_drops";
+        autoconfPayload["icon"] = "mdi:chart-sankey";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_drops/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // short drops phase 2
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/drops/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/drops";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/drops/reset";
+        autoconfPayload["name"] = _identifier + "_phase_2_drops";
+        autoconfPayload["unique_id"] = "phase_2_drops";
+        autoconfPayload["icon"] = "mdi:chart-sankey";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_drops/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // short drops phase 3
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/drops/status";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/drops";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/drops/reset";
+        autoconfPayload["name"] = _identifier + "_phase_3_drops";
+        autoconfPayload["unique_id"] = "phase_3_drops";
+        autoconfPayload["icon"] = "mdi:chart-sankey";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_drops/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // short peaks phase 1
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_1/drops/peaks";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_1/peaks";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_1/peaks/reset";
+        autoconfPayload["name"] = _identifier + "_phase_1_peaks";
+        autoconfPayload["unique_id"] = "phase_1_peaks";
+        autoconfPayload["icon"] = "mdi:chart-bell-curve";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_1_peaks/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // short peaks phase 2
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_2/drops/peaks";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_2/peaks";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_2/peaks/reset";
+        autoconfPayload["name"] = _identifier + "_phase_2_peaks";
+        autoconfPayload["unique_id"] = "phase_2_peaks";
+        autoconfPayload["icon"] = "mdi:chart-bell-curve";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_2_peaks/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+
+        // short peaks phase 3
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/power/phase_3/drops/peaks";
+        autoconfPayload["state_topic"] = _identifier + "/power/phase_3/peaks";
+        autoconfPayload["last_reset_topic"] = _identifier + "/power/phase_3/peaks/reset";
+        autoconfPayload["name"] = _identifier + "_phase_3_peaks";
+        autoconfPayload["unique_id"] = "phase_3_peaks";
+        autoconfPayload["icon"] = "mdi:chart-bell-curve";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/phase_3_peaks/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+    }
+
+    if (AUTOCONFIG_GAS)
+    {
+        // Gas
+        autoconfPayload["device"] = device.as<JsonObject>();
+        autoconfPayload["availability_topic"] = _identifier + "/gas/total/status";
+        autoconfPayload["state_topic"] = _identifier + "/gas/total";
+        autoconfPayload["last_reset_topic"] = _identifier + "/gas/total/reset";
+        autoconfPayload["name"] = _identifier + "_total_gas";
+        autoconfPayload["unit_of_measurement"] = "m³";
+        autoconfPayload["unique_id"] = "gas_total";
+        autoconfPayload["icon"] = "mdi:counter";
+        autoconfPayload["last_reset_value_template"] = "1970-01-01T00:00:00+00:00";
+        serializeJson(autoconfPayload, mqttPayload);
+        _mqttPublisher.publish("homeassistant/sensor/" + _identifier + "/total_gas/config", &mqttPayload[0], false);
+        autoconfPayload.clear();
+    }
+}