diff --git a/prosjekt.X/voltage.c b/prosjekt.X/voltage.c
index 4474dcd..127ef13 100644
--- a/prosjekt.X/voltage.c
+++ b/prosjekt.X/voltage.c
@@ -1,12 +1,14 @@
 #include "voltage.h"
+#include "uart.h"
 
 void sensor_init(void) {
     /* Disable digital input buffer */
 }
 
 void ADC0_init(void) {
+    /* Initializing ADC0 pin*/
     PORTD.PIN6CTRL &= ~PORT_ISC_gm;
-    PORTD.PIN6CTRL |= PORT_ISC_INPUT_DISABLE_gc;
+    PORTD.PIN6CTRL |= PORT_ISC_INPUT_DISABLE_gc; /* Disable  */
     PORTD.PIN6CTRL &= PORT_PULLUPEN_bm;
 
     ADC0.CTRLC = ADC_PRESC_DIV4_gc;
@@ -30,6 +32,7 @@ uint16_t ADC0_read(void) {
 }
 
 uint8_t voltage_values(void) {
+    /* Gets values */
     uint8_t adcVal = ADC0_read();
     VREF.ADC0REF = VREF_REFSEL_VDD_gc;
     return adcVal;
diff --git a/prosjekt.X/voltage.h b/prosjekt.X/voltage.h
index 27bc2df..a2fdecd 100644
--- a/prosjekt.X/voltage.h
+++ b/prosjekt.X/voltage.h
@@ -44,11 +44,16 @@
 #ifdef	__cplusplus
 extern "C" {
 #endif /* __cplusplus */
+// Initializing of the sensor pins
 void sensor_init(void);
+// Initializing of the ADC0 pins
 void ADC0_init(void);
-void ADC0_start(void);
-uint8_t ADC0_read(void);
-void voltage_values(void);
+// 
+//void ADC0_start(void);
+//Start ADC conversion
+uint16_t ADC0_read(void);
+// Gets the value from sensor and internal voltage
+uint8_t voltage_values(void);
 #ifdef	__cplusplus
 }
 #endif /* __cplusplus */