diff --git a/prosjekt.X/voltage.c b/prosjekt.X/voltage.c
index eec2bd2..c4bf527 100644
--- a/prosjekt.X/voltage.c
+++ b/prosjekt.X/voltage.c
@@ -36,11 +36,18 @@ uint16_t ADC0_read(void) {
 uint16_t thermistor_voltage_read() {
     /* Gets value for the diode */
     ADC0.MUXPOS = 0x03;
-    uint8_t adc_val = ADC0_read();
+    uint16_t adc_val = ADC0_read();
 
     return adc_val;
 }
 
+uint16_t external_voltage_read(){
+    ADC0.MUXPOS = 0x02; 
+    uint16_t adc_val = ADC0_read();
+    
+    return adc_val;
+}
+
 uint16_t internal_voltage_read() {
     /* Gets value for the internal voltage reffreance*/
     
@@ -49,3 +56,13 @@ uint16_t internal_voltage_read() {
     
     return adc_val*10;
 }
+
+uint16_t convert_to_voltage(uint16_t adc_val){
+    uint16_t min_in= 0;
+    uint16_t min_out= 0;
+    uint16_t max_in= 1023;
+    uint16_t max_out= 3.3;
+    uint16_t voltage = (adc_val-min_in)*(max_out-min_out)/(max_in-min_in) + min_out;
+    return voltage;
+    
+}
\ No newline at end of file