diff --git a/software/Firmware/Src/VoltageSensorActualValue.c b/software/Firmware/Src/VoltageSensorActualValue.c
index a14c4f5..1546486 100644
--- a/software/Firmware/Src/VoltageSensorActualValue.c
+++ b/software/Firmware/Src/VoltageSensorActualValue.c
@@ -9,7 +9,6 @@
 #include "PinoutConfiguration.h"
 #include "UserInterface.h"
 #include "stm8s_i2c.h"
-//#include "Logger.h"
 
 
 #define I2C_MASTER_ADDRESS 0x10
@@ -18,6 +17,15 @@
 // is used to signalize communication direction (rx or tx)
 #define I2C_SLAVE_ADDRESS (0x68u << 1)
 
+#define MCP3425_REG_BIT_READY             (1 << 7)
+#define MCP3425_REG_BIT_CONVERSION        (1 << 4)
+#define MCP3425_REG_BIT_SAMPLE_RATE_UPPER (1 << 3)
+#define MCP3425_REG_BIT_SAMPLE_RATE_LOWER (1 << 2)
+#define MCP3425_REG_BIT_GAIN_UPPER        (1 << 1)
+#define MCP3425_REG_BIT_GAIN_LOWER        (1 << 0)
+
+#define MCP3425_CONFIGURATION (MCP3425_REG_BIT_READY | MCP3425_REG_BIT_SAMPLE_RATE_UPPER)
+
 static void GPIO_setup(void);
 static void I2C_setup(void);
 static void write(uint8_t registerId);
@@ -28,16 +36,13 @@ void VoltageSensorActualValue_Init()
 {
     GPIO_setup();
     I2C_setup();
-
-    // select adc configuration and start measurement
-//    write(0x00);
-    write(0x4c);
 }
 
 
 bool VoltageSensorActualValue_MeasureValue(VoltageSensorActualValue_MeasurementData_t *measurementData)
 {
-    write(0x48);
+    // select adc configuration and start measurement
+    write(MCP3425_CONFIGURATION);
 
     write(0x10);
     *measurementData = read(0);
@@ -125,7 +130,6 @@ static uint16_t read(uint8_t registerId)
     Logger_Print( registerLSB3);
  */
 
-//    printf("data: %d %d %d %d %d\r\n", registerMSB, registerLSB, registerLSB1, registerLSB2, registerLSB3);
     uint16_t registerValue = (registerMSB << 8) +  registerLSB;
 
     return registerValue;