/*1-Comments
 
ADC &LCD
PIC16F877A 
Oscillator * 4MHz, MCLR Enabled, PWRT Enabled, WDT OFF
 
*/
 
//2- LCD module connections
 
sbit LCD_RS at RD0_bit;
sbit LCD_EN at RD1_bit;
sbit LCD_D4 at RD4_bit;
sbit LCD_D5 at RD5_bit;
sbit LCD_D6 at RD6_bit;
 
sbit LCD_D7 at RD7_bit;
 
sbit LCD_RS_Direction at TRISD0_bit;
 
sbit LCD_EN_Direction at TRISD1_bit;
sbit LCD_D4_Direction at TRISD4_bit;
sbit LCD_D5_Direction at TRISD5_bit;
sbit LCD_D6_Direction at TRISD6_bit;
sbit LCD_D7_Direction at TRISD7_bit;
 
// End LCD module connections
 
//3- Define Messages and variables
 
char message1[] = "ADC Value= ";
char *temp = "0000";
 
unsigned int adc_Value;
 
//4- main
 
void main() {
 
TRISD = 0; // PORTD All Outputs
TRISA = 0b00000001;   // PORTA All Outputs, Except RA0
 
Lcd_Init();                        // Initialize LCD
Lcd_Cmd(_LCD_CLEAR);              // CLEAR display
 
Lcd_Cmd(_LCD_CURSOR_OFF);         // Cursor off
 
Lcd_Out(1,1,message1);             // Write message1 in 1st row
 
Lcd_Out(2,1,"Eng.F.ABDELAZIZ");
while(1) {
 
 adc_value = ADC_Read(0);
 
 temp[0] = adc_value/1000 + 48;  // Add 48 to get the ASCII character value
 
 temp[1] = (adc_value/100)%10 + 48;
 temp[2] = (adc_value/10)%10 + 48;
 
 temp[3] = adc_value%10 + 48;
 
 Lcd_Out(1,11,temp);
 
 Delay_ms(1000);
               } 
}

/*1-Comments
ADC &LCD
PIC16F877A 
 Oscillator * 4MHz, MCLR Enabled, PWRT Enabled, WDT OFF
 */
//2- LCD module connections
 sbit LCD_RS at RD0_bit;
 sbit LCD_EN at RD1_bit;
 sbit LCD_D4 at RD4_bit;
 sbit LCD_D5 at RD5_bit;
 sbit LCD_D6 at RD6_bit;
 sbit LCD_D7 at RD7_bit;
 sbit LCD_RS_Direction at TRISD0_bit;
 sbit LCD_EN_Direction at TRISD1_bit;
 sbit LCD_D4_Direction at TRISD4_bit;
 sbit LCD_D5_Direction at TRISD5_bit;
 sbit LCD_D6_Direction at TRISD6_bit;
 sbit LCD_D7_Direction at TRISD7_bit;
// End LCD module connections
//3- Define Messages and variables
char Message1[] = "ADC TO Volt";
char *volt = "0.000V";
unsigned int ADC_Value, DisplayVolt;
 
//4- main
 void main() {
 
  TRISD = 0;     // PORTD All Outputs
  TRISA = 0b00000001;   // PORTA All Outputs, Except RA0
  
  Lcd_Init();                        // Initialize LCD
  Lcd_Cmd(_LCD_CLEAR);              // CLEAR display
  Lcd_Cmd(_LCD_CURSOR_OFF);         // Cursor off
 Lcd_Out(1,4,message1);             // Write message1 in 1st row
  
while(1) {
    adc_value = ADC_Read(0);
    DisplayVolt = adc_value * 5 ;                   // get the value in millivolts considering that 1bit = 5mV
    volt[0] = DisplayVolt/1000 + 48;               // Add 48 to get the ASCII character value
    volt[2] = (DisplayVolt/100)%10 + 48;
    volt[3] = (DisplayVolt/10)%10 + 48;
    volt[4] = DisplayVolt%10 + 48;
     Lcd_Out(2,6,volt);
  delay_ms(500);      // Hold for 500 ms
                 } 
 }