diff --git a/Source/ADC.cpp b/Source/ADC.cpp
index b2a80b0..339f541 100644
--- a/Source/ADC.cpp
+++ b/Source/ADC.cpp
@@ -64,7 +64,7 @@ extern "C" void DMA1_Channel1_IRQHandler(void)          /* DMA1 Channel 1
 
 namespace ElektronischeLast
 {
-  iADC::iADC(float voltage_gain, float current_gain)
+  void iADC::init(float voltage_gain, float current_gain)
   {
     this->voltage_gain = voltage_gain;
     this->current_gain = current_gain;
@@ -212,10 +212,6 @@ namespace ElektronischeLast
     NVIC_SetPriority(DMA1_Channel1_IRQn, 0);
     NVIC_EnableIRQ(DMA1_Channel1_IRQn);
   }
-  iADC::~iADC(void)
-  {
-
-  }
 
   /**
    * @details Die Auflösung beträgt 0,8mV pro Bit.
diff --git a/Source/ADC.hpp b/Source/ADC.hpp
index cbb3219..c7b4ef4 100644
--- a/Source/ADC.hpp
+++ b/Source/ADC.hpp
@@ -15,8 +15,7 @@ namespace ElektronischeLast
   class iADC
   {
     public:
-      iADC(float voltage_gain, float current_gain);
-      ~iADC(void);
+      void init(float voltage_gain, float current_gain);
       std::uint32_t get_current(void);
       std::uint32_t get_temperature(void);
       std::uint32_t get_voltage(void);
diff --git a/Source/DAC.cpp b/Source/DAC.cpp
index 4eb99a5..c870ae0 100644
--- a/Source/DAC.cpp
+++ b/Source/DAC.cpp
@@ -11,7 +11,7 @@
 
 namespace ElektronischeLast
 {
-  iDAC::iDAC()
+  void iDAC::init()
   {
     /**DAC1 GPIO Configuration
     PA4   ------> DAC1_OUT1
@@ -48,11 +48,6 @@ namespace ElektronischeLast
     LL_DAC_Enable(DAC1, LL_DAC_CHANNEL_2);
   }
 
-  iDAC::~iDAC()
-  {
-
-  }
-
   void iDAC::write(DAC_CHANNEL channel, uint32_t data)
   {
     LL_DAC_ConvertData12RightAligned(DAC, /*(channel == CHANNEL_1) ?*/ LL_DAC_CHANNEL_1 /*: LL_DAC_CHANNEL_2*/, data);
diff --git a/Source/DAC.hpp b/Source/DAC.hpp
index 5ce0ab5..4fa2692 100644
--- a/Source/DAC.hpp
+++ b/Source/DAC.hpp
@@ -18,8 +18,7 @@ namespace ElektronischeLast
         CHANNEL_1,
         CHANNEL_2,
       } DAC_CHANNEL;
-      iDAC();
-      ~iDAC();
+      void init(void);
       void write(DAC_CHANNEL channel, uint32_t data);
   private:
   };
diff --git a/Source/Display.cpp b/Source/Display.cpp
index 2faf020..993c5d9 100644
--- a/Source/Display.cpp
+++ b/Source/Display.cpp
@@ -17,7 +17,7 @@
 
 namespace ElektronischeLast
 {
-  Display::Display(void)
+  void Display::init(void)
   {
     LL_GPIO_InitTypeDef init =
     {
@@ -37,11 +37,6 @@ namespace ElektronischeLast
     this->start_timer(15UL); // 15ms Startup Delay
   }
 
-  Display::~Display(void)
-  {
-
-  }
-
   void Display::run(void)
   {
     switch (this->current_state)
diff --git a/Source/Display.hpp b/Source/Display.hpp
index 12e487f..b2eb3f5 100644
--- a/Source/Display.hpp
+++ b/Source/Display.hpp
@@ -88,8 +88,7 @@ namespace ElektronischeLast
 
       } State_t;
 
-      Display(void);
-      ~Display(void);
+      void init(void);
       void run(void);
       void set_backlight(bool on);
       void set_cursor(Line_t line, std::uint32_t position);
diff --git a/Source/ElektronischeLast.cpp b/Source/ElektronischeLast.cpp
index a448d08..6e57217 100644
--- a/Source/ElektronischeLast.cpp
+++ b/Source/ElektronischeLast.cpp
@@ -49,6 +49,12 @@ static CLI_Command_t commands[] =
   { "reboot", "System neu starten", reboot },
 };
 
+static LED led = LED(500U);
+static Display lcd = Display();
+static FanControl fan = FanControl();
+static iI2C eeprom = iI2C(0xA0U);
+static iDAC dac = iDAC();
+static iADC adc = iADC();;
 static std::uint32_t i_soll = 0U;
 static PIDController pid =
 {
@@ -74,10 +80,10 @@ int main (void)
   serial_init();
   printf("\r\nElektronische Last\r\n");
   CLI_Init(commands, sizeof(commands)/sizeof(commands[0]));
-  LED led = LED(500U);
-  Display lcd = Display();
-  FanControl fan = FanControl();
-  iI2C eeprom = iI2C(0xA0U);
+  led.init();
+  lcd.init();
+  fan.init();
+  eeprom.init();
 
   float voltage_gain = NAN;
   float current_gain = NAN;
@@ -94,8 +100,8 @@ int main (void)
     current_gain = 3.685331f;
   }
 
-  iDAC dac = iDAC();
-  iADC adc = iADC(voltage_gain, current_gain);
+  dac.init();
+  adc.init(voltage_gain, current_gain);
   std::uint32_t last_tick = systick;
 
   printf("- Initialisierung erfolgreich\r\n");
diff --git a/Source/FanControl.cpp b/Source/FanControl.cpp
index 7b76bd4..55b1d66 100644
--- a/Source/FanControl.cpp
+++ b/Source/FanControl.cpp
@@ -37,7 +37,7 @@ namespace ElektronischeLast
     { 80U, DUTY_TO_TIM_VALUE(100U) }
   };
 
-  FanControl::FanControl(void)
+  void FanControl::init(void)
   {
     /* TIM3 PWM-Output
      * 25kHz (Vorgabe Intel). Geschwindigkeit wird über Tastverhältnis geregelt.
diff --git a/Source/FanControl.hpp b/Source/FanControl.hpp
index 79ec3a7..0e00271 100644
--- a/Source/FanControl.hpp
+++ b/Source/FanControl.hpp
@@ -17,8 +17,7 @@ namespace ElektronischeLast
   class FanControl
   {
     public:
-      FanControl(void);
-      ~FanControl(void);
+      void init(void);
       void run(std::uint32_t temp);
       std::uint32_t get_speed(void);
     private:
diff --git a/Source/I2C.cpp b/Source/I2C.cpp
index 6ba1d7c..a8d3b7b 100644
--- a/Source/I2C.cpp
+++ b/Source/I2C.cpp
@@ -16,6 +16,9 @@ namespace ElektronischeLast
   {
     this->device_address = device_address;
 
+  }
+  void iI2C::init(void)
+  {
     LL_IOP_GRP1_EnableClock(LL_IOP_GRP1_PERIPH_GPIOA);
     /**I2C2 GPIO Configuration
     PA11 [PA9]   ------> I2C2_SCL
@@ -56,10 +59,6 @@ namespace ElektronischeLast
     LL_I2C_SetMasterAddressingMode(I2C2, LL_I2C_ADDRESSING_MODE_7BIT);
 
     LL_I2C_Enable(I2C2);
-  }
-  iI2C::~iI2C(void)
-  {
-
   }
   bool iI2C::read(std::uint32_t address, std::uint32_t length, std::uint8_t buffer[])
   {
diff --git a/Source/I2C.hpp b/Source/I2C.hpp
index e88ce18..c83da0a 100644
--- a/Source/I2C.hpp
+++ b/Source/I2C.hpp
@@ -16,7 +16,7 @@ namespace ElektronischeLast
   {
     public:
       iI2C(std::uint8_t device_address);
-      ~iI2C(void);
+      void init(void);
       bool read(std::uint32_t address, std::uint32_t length, std::uint8_t buffer[]);
       bool write(std::uint32_t address, std::uint32_t length, std::uint8_t buffer[]);
     private:
diff --git a/Source/LED.cpp b/Source/LED.cpp
index 0474c20..b395dea 100644
--- a/Source/LED.cpp
+++ b/Source/LED.cpp
@@ -12,6 +12,11 @@
 namespace ElektronischeLast
 {
     LED::LED(std::uint32_t interval)
+    {
+      this->interval = interval;
+    }
+
+    void LED::init(void)
     {
       LL_GPIO_InitTypeDef GPIO_InitStruct = {
         .Pin = LL_GPIO_PIN_10,
@@ -25,12 +30,6 @@ namespace ElektronischeLast
       LL_GPIO_Init(GPIOA, &GPIO_InitStruct);
 
       this->last_toggle = systick;
-      this->interval = interval;
-    }
-
-    LED::~LED()
-    {
-
     }
 
     void LED::blink(void)
diff --git a/Source/LED.hpp b/Source/LED.hpp
index 5eac93d..3c6aa54 100644
--- a/Source/LED.hpp
+++ b/Source/LED.hpp
@@ -16,7 +16,7 @@ namespace ElektronischeLast
   {
   public:
     LED(std::uint32_t interval);
-    ~LED();
+    void init(void);
     void blink(void);
     void toggle(void);
   private: