ADCIN 0, V
V = ((V*20) */ 500) /20 
 
For i = 0 To 2
 
n = v Dig i
Segments = %1111111
 
If I = 0 Then PORTB = %00010000 
 
If I = 1 Then PORTB = %00100000 
 
If I = 2 Then PORTB = %01000000 
 
 
LookUp n, [%1000000, %1111001, %0100100, %0110000, %0011001, %0010010, %0000010, %1111000, %0000000, %0010000, %01111111], Segments
DelayUS 800
Next i 

void read_voltage(char channel)
{
  read_volt=ADC_Read(channel);
  read_volt =(read_volt*5000 )/1023;
  read_volt= (read_volt * facter)/100000;
}

read_volt=ADC_Read(channel