diff --git a/software/Firmware/Src/ApplicationBuilder.c b/software/Firmware/Src/ApplicationBuilder.c
index a8c6dc8..c0501bd 100755
--- a/software/Firmware/Src/ApplicationBuilder.c
+++ b/software/Firmware/Src/ApplicationBuilder.c
@@ -17,7 +17,7 @@
 
 void ApplicationBuilder_Init()
 {
-   // ClockConfigurator_Init();
+    ClockConfigurator_Init();
     TimerConfigurator_Init();
 
     Logger_Init();
@@ -42,7 +42,6 @@ void ApplicationBuilder_Run()
 
 void ApplicationBuilder_Tick()
 {
-//    Logger_Tick();
-
-VoltageSensorActualValue_GeMeasurementData(0);
+    //Logger_Tick();
+    VoltageSensorActualValue_GeMeasurementData(0);
 }
diff --git a/software/Firmware/Src/VoltageSensorActualValue.c b/software/Firmware/Src/VoltageSensorActualValue.c
index aa1299d..fab100f 100755
--- a/software/Firmware/Src/VoltageSensorActualValue.c
+++ b/software/Firmware/Src/VoltageSensorActualValue.c
@@ -11,13 +11,18 @@
 #include "stm8s_i2c.h"
 #include "stm8s.h"
 
-#define I2C_ADDRESS 0x68 // MCP3425 I2C address is 0x68(104)
+#define I2C_OWN_ADDRESS 0x10
+#define I2C_SLAVE_ADDRESS 0x68 // MCP3425 I2C address is 0x68(104)
+
 
 static void GPIO_setup(void);
+static void I2C_setup(void);
+
 
 
 void VoltageSensorActualValue_Init()
 {
+#if 0
     CLK_DeInit();
                  
     CLK_HSECmd(DISABLE);
@@ -41,49 +46,54 @@ void VoltageSensorActualValue_Init()
     CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER1, ENABLE);
     CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER2, DISABLE);
     CLK_PeripheralClockConfig(CLK_PERIPHERAL_TIMER4, DISABLE);
-
-
-    GPIO_Init(GPIOB, GPIO_PIN_4, GPIO_MODE_OUT_OD_HIZ_FAST);
-    GPIO_Init(GPIOB, GPIO_PIN_5, GPIO_MODE_OUT_OD_HIZ_FAST);    
-     
-    I2C_DeInit();
-    I2C_Init(100000, 
-             I2C_ADDRESS, 
-             I2C_DUTYCYCLE_2, 
-             I2C_ACK_CURR, 
-             I2C_ADDMODE_7BIT, 
-             (CLK_GetClockFreq() / 1000000));
-    I2C_Cmd(ENABLE);
-
+#endif
+    
+    GPIO_setup();
+    I2C_setup();
+    
 }
 
+
 bool VoltageSensorActualValue_GeMeasurementData(VoltageSensorActualValue_MeasurementData_t *measurementData)
 {
-    //  printf("a\r\n");
     I2C_GenerateSTART(ENABLE);
     while(!I2C_CheckEvent(I2C_EVENT_MASTER_MODE_SELECT));
 
-    UserInterface_ShowMessage(USER_INTERFACE_COLLECTING_DATA_MSG);
+    I2C_Send7bitAddress(I2C_SLAVE_ADDRESS, I2C_DIRECTION_TX); 
+    //while(!I2C_CheckEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
 
-    I2C_Send7bitAddress(I2C_ADDRESS, I2C_DIRECTION_TX); 
-    while(!I2C_CheckEvent(I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED));
 
-    I2C_SendData(1);
-    while(!I2C_CheckEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED));
+    I2C_SendData(0xf);
+    //while(!I2C_CheckEvent(I2C_EVENT_MASTER_BYTE_TRANSMITTED));
 
     I2C_GenerateSTOP(ENABLE);   
-
-    //    while(I2C_GetFlagStatus(I2C_FLAG_BUSBUSY));
-    //printf("b\r\n");
-    
+    while(I2C_GetFlagStatus(I2C_FLAG_BUSBUSY));
+  
+    // for temporary debug only
+    UserInterface_ShowMessage(USER_INTERFACE_COLLECTING_DATA_MSG);
 
     return TRUE;
 }
 
 
+
 void GPIO_setup(void)
 {
+    // TODO magic numbers
     GPIO_Init(GPIOB, GPIO_PIN_4, GPIO_MODE_OUT_OD_HIZ_FAST);
     GPIO_Init(GPIOB, GPIO_PIN_5, GPIO_MODE_OUT_OD_HIZ_FAST);    
 }    
 
+
+void I2C_setup(void)
+{
+    I2C_DeInit();
+    I2C_Init(100000, 
+             I2C_OWN_ADDRESS, 
+             I2C_DUTYCYCLE_2, 
+             I2C_ACK_CURR, 
+             I2C_ADDMODE_7BIT, 
+             (CLK_GetClockFreq() / 1000000));
+    I2C_Cmd(ENABLE);
+}
+