diff --git a/src/IBS_Sensor.hpp b/src/IBS_Sensor.hpp
index 047f099..fe7a1a6 100644
--- a/src/IBS_Sensor.hpp
+++ b/src/IBS_Sensor.hpp
@@ -15,84 +15,86 @@
 #pragma once
 
 //#include <Arduino.h>
-//This device needs a lin interface to read and write on
+//This class needs a lin interface to read and write on
 #include <Lin_Interface.hpp>
 
 #define LIN_BAUDRATE_IBS_SENSOR 19200
 
-class IBS_Sensor {
-    public:
-        // Batery types
-        enum IBS_BatteryTypes {
-            BAT_TYPE_STARTER,
-            BAT_TYPE_GEL,
-            BAT_TYPE_AGM
-        };
+class IBS_Sensor
+{
+public:
+    // Batery types
+    enum IBS_BatteryTypes
+    {
+        BAT_TYPE_STARTER,
+        BAT_TYPE_GEL,
+        BAT_TYPE_AGM
+    };
 
-        // constructor
-        IBS_Sensor(int SensorNo);
+    // constructor
+    IBS_Sensor(int SensorNo);
 
-        // Lin Interface will be used to send and request frames
-        Lin_Interface *LinBus;
+    // Lin Interface will be used to send and request frames
+    Lin_Interface *LinBus;
 
-        // Frame "Status"
-        bool StatusReady = false; // ready for Data Request?
-        uint8_t StatusByte = 0x00; // provides at least a StatusReady flag, but the is more encoded
+    // Frame "Status"
+    bool StatusReady = false;  // ready for Data Request?
+    uint8_t StatusByte = 0x00; // provides at least a StatusReady flag, but the is more encoded
 
-        // Frame "Current"
-        float Ibat = 0.0;         // Current in Ampere
-        float Ubat = 0.0;         // Battery Voltage in Volt
-        float Tbat = 0.0;         // Battery Temperature in Celsius
-        uint8_t unknown1 = 0x00;
+    // Frame "Current"
+    float Ibat = 0.0; // Current in Ampere
+    float Ubat = 0.0; // Battery Voltage in Volt
+    float Tbat = 0.0; // Battery Temperature in Celsius
+    uint8_t unknown1 = 0x00;
 
-        // Frame "Error", flags / code unknown
-        uint8_t ErrorByte = 0x00; // Error code/flags?
+    // Frame "Error", flags / code unknown
+    uint8_t ErrorByte = 0x00; // Error code/flags?
 
-        // Frame "tb3", data unknown
-        uint16_t unknown2;
-        uint16_t unknown3;
+    // Frame "tb3", data unknown
+    uint16_t unknown2 = 0;
+    uint16_t unknown3 = 0;
 
-        // Frame "SOx", mayby includes State of Functon?
-        float SOH = -1.0; // procides State of Healt in percent
-        float SOC = -1.0; // procides State of Charge in percent
-        uint8_t unknown4;
-        uint8_t unknown5;
-        uint16_t unknown6;
+    // Frame "SOx", mayby includes State of Functon?
+    float SOH = -1.0; // State of Health in percent (need replace?)
+    float SOC = -1.0; // State of Charge in percent (need charge?)
+    uint8_t unknown4 = 0;
+    uint8_t unknown5 = 0;
+    uint16_t unknown6 = 0;
 
-        // Frame "Capacity"
-        float Cap_Max = 0.0; // max seen capacity
-        float Cap_Available = 0.0; // max available capacity, means charge level
-        uint8_t Cap_Configured = 0; // configured battery capacity
-        bool CalibrationDone = false; // data may plausible, but sensor has still some doubts
-        uint8_t CalibByte = 0x00; // Capacity flag byte, may only contains CalibrationDone flag
+    // Frame "Capacity"
+    float Cap_Max = 0.0;          // max seen capacity (eq. SOH)
+    float Cap_Available = 0.0;    // max available capacity (eq. SOC)
+    uint8_t Cap_Configured = 0;   // configured battery capacity
+    bool CalibrationDone = false; // data may plausible, but sensor has still some doubts
+    uint8_t CalibByte = 0x00;     // Capacity flag byte, may only contains CalibrationDone flag
 
-//-----------------------------------------------------------------------------
-// Request current valus form sensor
+    //-----------------------------------------------------------------------------
+    // Request current valus form sensor
 
-        // regular read
-        bool readFrames();
+    // regular read
+    bool readFrames();
 
-        // specific read of Frame
-        bool readFrameStatus();
-        bool readFrameCurrent();
-        bool readFrameError();
-        bool readFrameSOx();
-        bool readFrameCapacity();
-        bool readFrameTB3();
+    // specific read of Frame
+    bool readFrameStatus();
+    bool readFrameCurrent();
+    bool readFrameError();
+    bool readFrameSOx();
+    bool readFrameCapacity();
+    bool readFrameTB3();
 
-//-----------------------------------------------------------------------------
-// configuration of Sensor - only needed once: data will be stored in sensor
+    //-----------------------------------------------------------------------------
+    // configuration of Sensor - only needed once: data will be stored in sensor
 
-        //configuration of sensor
-        void writeConfiguration(IBS_BatteryTypes BatType, uint8_t BatCapacity);
+    //configuration of sensor
+    void writeConfiguration(IBS_BatteryTypes BatType, uint8_t BatCapacity);
 
-        // all known configuraton Frames, used by original Panel
-        void writeUnknownParam();
-        void writeBatCapacity(uint8_t BatCapacity);
-        void writeBatType(IBS_BatteryTypes BatType);
+    // all known configuraton Frames, used by original Panel
+    void writeUnknownParam();
+    void writeBatCapacity(uint8_t BatCapacity);
+    void writeBatType(IBS_BatteryTypes BatType);
 
-    private:
-        // SensorNo = 0   --> Hella IBS 200 labeled "Sensor 1"
-        // SensorNo = 1   --> Hella IBS 200 labeled "Sensor 2"
-        int _SensorNo;
+private:
+    // SensorNo = 0   --> Hella IBS 200 labeled "Sensor 1"
+    // SensorNo = 1   --> Hella IBS 200 labeled "Sensor 2"
+    int _SensorNo;
 };