// LCD module connections
 sbit LCD_RS at RB2_bit;
 sbit LCD_EN at RB3_bit;
 sbit LCD_D4 at RB4_bit;
 sbit LCD_D5 at RB5_bit;
 sbit LCD_D6 at RB6_bit;
 sbit LCD_D7 at RB7_bit;
 sbit LCD_RS_Direction at TRISB2_bit;
 sbit LCD_EN_Direction at TRISB3_bit;
 sbit LCD_D4_Direction at TRISB4_bit;
 sbit LCD_D5_Direction at TRISB5_bit;
 sbit LCD_D6_Direction at TRISB6_bit;
 sbit LCD_D7_Direction at TRISB7_bit;
// End LCD module connections
// Define Messages
 char message1[] = "ADC Value= ";
 char *temp = "0000";
 unsigned int ADC_Value;
 void main() {
  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
  do {
   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(2000);
  } while(1);
 }

Vpicv = ADC_result(5/1023) = 0.00489 ADC_result 
 Vpicv = 4.89 ADC_result mV

4.89 ADC_result = Vin (1.1/11.1)
Vin = 4.89 ADC_result * (11.1/1.1)
Vin=49.34 ADC_result mV

 Vpici = ADC_result(5/1023) = 4.89 ADC_result mV

Iin = 4.89 ADC_result / 0.1 = 48.9 ADC_result mA

// LCD module connections
sbit LCD_RS at RB2_bit;
sbit LCD_EN at RB3_bit;
sbit LCD_D4 at RB4_bit;
sbit LCD_D5 at RB5_bit;
sbit LCD_D6 at RB6_bit;
sbit LCD_D7 at RB7_bit;

sbit LCD_RS_Direction at TRISB2_bit;
sbit LCD_EN_Direction at TRISB3_bit;
sbit LCD_D4_Direction at TRISB4_bit;
sbit LCD_D5_Direction at TRISB5_bit;
sbit LCD_D6_Direction at TRISB6_bit;
sbit LCD_D7_Direction at TRISB7_bit;
// End LCD module connections
  unsigned int v,i;
  char *volt = "00.0";
  char *current = "0.00";

void main()
{
  
  CMCON = 0x07;
  TRISA = 0xFF;
  ADCON1 = 0x00;
  Lcd_Init();
  Lcd_Cmd(_LCD_CLEAR);
  Lcd_Cmd(_LCD_CURSOR_OFF);

  do
  {
    v = ADC_Read(2);
    i = ADC_Read(3);
    v = 49.34   * v ;
    i = 48.9  * i ;

    volt[0] = (v/10000)+48;
    volt[1] = ((v/1000)%10)+48;
    volt[3] = ((v/100)%10)+48;
    Lcd_Out(1,1,"Voltage = ");
    Lcd_Out(1,11,volt);
    Lcd_Out(1,16,"V");

    current[0] = (i/1000)+48;
    current[2] = ((i/100)%10)+48;
    current[3] = ((i/10)%10)+48;
    Lcd_Out(2,1,"Current = ");
    Lcd_Out(2,11,current);
    Lcd_Out(2,16,"A");
    Delay_ms(250);
  } while(1);
}

Vpic = ADC_result * (2.5/1023) = 2.44 * ADC_result mV

Vout = 10 * Tc mV

Tc = (2.44 * ADC_result) / 10 = 0.244 * ADC_result

// LCD module connections
sbit LCD_RS at RB2_bit;
sbit LCD_EN at RB3_bit;
sbit LCD_D4 at RB4_bit;
sbit LCD_D5 at RB5_bit;
sbit LCD_D6 at RB6_bit;
sbit LCD_D7 at RB7_bit;

sbit LCD_RS_Direction at TRISB2_bit;
sbit LCD_EN_Direction at TRISB3_bit;
sbit LCD_D4_Direction at TRISB4_bit;
sbit LCD_D5_Direction at TRISB5_bit;
sbit LCD_D6_Direction at TRISB6_bit;
sbit LCD_D7_Direction at TRISB7_bit;
// End LCD module connections // Variables Declaration .
	unsigned int Radc, TemI;
	float Tem;
	char Text[16];

void main( void )
{
	
	//Sets the ADC module with pin AN3 
	//as positive reference voltage.
	ADCON1 = 0b11000001;
	//LCD initiation 
	Lcd_Init();
	//Clearing the cursor.
	Lcd_Cmd(_LCD_CURSOR_OFF);
	//Printing text.
	Lcd_Out( 1, 1, "Temperature :");
	while(1) //Infinite Loop.
	{
		//Reading ADC channel 0.
		Radc = ADC_Read(0);
		//Using the equation 
		Tem = 0.244*Radc;
		//Converts the result to an integer.
		TemI = Tem;
		//Integer converted to a string.
		IntToStr( TemI, Text );
		//Prints the result.
		Lcd_Out( 2, 1, Text);
		//Delay 100m  seconds.
		delay_ms(100);
	}
}

// LCD module connections
sbit LCD_RS at RB2_bit;
sbit LCD_EN at RB3_bit;
sbit LCD_D4 at RB4_bit;
sbit LCD_D5 at RB5_bit;
sbit LCD_D6 at RB6_bit;
sbit LCD_D7 at RB7_bit;

sbit LCD_RS_Direction at TRISB2_bit;
sbit LCD_EN_Direction at TRISB3_bit;
sbit LCD_D4_Direction at TRISB4_bit;
sbit LCD_D5_Direction at TRISB5_bit;
sbit LCD_D6_Direction at TRISB6_bit;
sbit LCD_D7_Direction at TRISB7_bit;
// End LCD module connections
//Variables Declaration  .
     unsigned int Radc, DisI;
     float Dis;
     char Text[16];

void main( void )
{
     
     //Set the ADC module with pin AN3
     //as positive reference voltage.
     ADCON1 = 0b11000001;
     //Initiation LCD
     Lcd_Init();
     //Clearing the cursor.
     Lcd_Cmd(_LCD_CURSOR_OFF);
     //Printing text.
     Lcd_Out( 1, 1, "Distance:");
     
     while(1) //Infinite Loop.
     {
              //Reading analog channel 0 .
              Radc=ADC_Read(0);
              //Implementation of the transfer function Equation
              Dis = (14226.02784/Radc)-4.793814433;
              //force the result to an integer value.
              DisI=Dis;
              //convert the integer value to string.
              IntToStr( DisI, Text );
              //Print the sensor reading.
              Lcd_Out( 2, 1, Text );
              //Delay 100m-seconds.
              delay_ms(100);
     }
}

Vout = Vcc * (LDR / (LDR+R))

LDR = (Vout)(R) / (Vcc – Vout)

Vadc = Radc * (5 / 1023) = Radc * 0.004887585

LDR = (Radc)( 0.004887585) (R) / (5 – (Radc)( 0.004887585))

 LDR = (Radc) (48.87585) / (5 – (Radc)( 0.004887585))

// LCD module connections
sbit LCD_RS at RB2_bit;
sbit LCD_EN at RB3_bit;
sbit LCD_D4 at RB4_bit;
sbit LCD_D5 at RB5_bit;
sbit LCD_D6 at RB6_bit;
sbit LCD_D7 at RB7_bit;

sbit LCD_RS_Direction at TRISB2_bit;
sbit LCD_EN_Direction at TRISB3_bit;
sbit LCD_D4_Direction at TRISB4_bit;
sbit LCD_D5_Direction at TRISB5_bit;
sbit LCD_D6_Direction at TRISB6_bit;
sbit LCD_D7_Direction at TRISB7_bit;
// End LCD module connections

//Dariables Declaration  .
     unsigned long Radc, DisI;
     char Text[16];

void main( void )
{
     
     //Initiation LCD
     Lcd_Init();
     //Cursor OFF.
     Lcd_Cmd(_LCD_CURSOR_OFF);
     //Printing text.
     Lcd_Out( 1, 1, "Resistance:");
     
     while(1) //Infinite Loop.
     {
              //Reading analog channel 0.
              Radc=ADC_Read(0);
              //Implementation the calculation of the LDR equation
              DisI = (Radc*48.87585533)/(5.0-Radc*0.004887585);
              //Convert the long integer value in string.
              LongToStr( DisI, Text );
              //Print the sensor reading.
              Lcd_Out( 2, 1, Text );
              //Delay 100m-seconds.
              delay_ms(100);
     }
}

Vout = Vs ( 0.009P – 0.095)

P = (111.111 Vout / Vs) + 10.555

Vadc = Radc * (5 / 1023)

 P = (0.54306 Radc / Vs ) + 10.555

P = 0.10861Radc +10.555

// LCD module connections
sbit LCD_RS at RB2_bit;
sbit LCD_EN at RB3_bit;
sbit LCD_D4 at RB4_bit;
sbit LCD_D5 at RB5_bit;
sbit LCD_D6 at RB6_bit;
sbit LCD_D7 at RB7_bit;

sbit LCD_RS_Direction at TRISB2_bit;
sbit LCD_EN_Direction at TRISB3_bit;
sbit LCD_D4_Direction at TRISB4_bit;
sbit LCD_D5_Direction at TRISB5_bit;
sbit LCD_D6_Direction at TRISB6_bit;
sbit LCD_D7_Direction at TRISB7_bit;
// End LCD module connections
//Variables Declaration  .
	unsigned int Radc, PreI;
	float Pre;
	char Text[16];

void main( void )
{
	
	//LCD initiation.
	Lcd_Init();
	//Clearing the cursor.
	Lcd_Cmd(_LCD_CURSOR_OFF);
	//Printing text
	Lcd_Out( 1, 1, "Pressure in KPa:");
	while(1) //Infinite Loop.
	{
		//Reading ADC channel 0.
		Radc = ADC_Read(0);
		//Using the equation
		Pre = 0.10861*Radc+10,5555;
		//Forces the result to the integer part.
		PreI = Pre;
		//Converts the integer to a string.
		IntToStr( PreI, Text );
		//prints the result.
		Lcd_Out( 2, 1, Text);
		//Delay 100 m seconds.
		delay_ms(100);
	}
}

//program Thermometer_with_LM35 + & -

// LCD module connections
sbit LCD_RS at RB2_bit;
sbit LCD_EN at RB3_bit;
sbit LCD_D4 at RB4_bit;
sbit LCD_D5 at RB5_bit;
sbit LCD_D6 at RB6_bit;
sbit LCD_D7 at RB7_bit;

sbit LCD_RS_Direction at TRISB2_bit;
sbit LCD_EN_Direction at TRISB3_bit;
sbit LCD_D4_Direction at TRISB4_bit;
sbit LCD_D5_Direction at TRISB5_bit;
sbit LCD_D6_Direction at TRISB6_bit;
sbit LCD_D7_Direction at TRISB7_bit;
// End LCD module connections

unsigned temp;		// unsigned (int)  0 .. 65535
unsigned tempn;
short tempout ; 		//(signed) short (int)  - 128 .. 127
char Tc[5];

void main(){

TRISA  = 0xFF;  // designate PORTA as input
TRISB  = 0; //  as outputs

   Lcd_Init();                        // Initialize LCD
  Lcd_Cmd(_LCD_CLEAR);              // Clear display
  Lcd_Cmd(_LCD_CURSOR_OFF);          // Cursor off
  Lcd_Out(1,1,"ENG.F.ABDELAZIZ");                // Write text in first row
  Lcd_Out(2,1,"WELCOME");                // Write text in second row
  Delay_ms(2000);
  Lcd_Cmd(_LCD_CLEAR);              // Clear display
  Lcd_Out(1,1,"ROOM TEMP.");                // Write text in first row
  while (1) {
      temp = ADC_read(0);
      tempn = ADC_read(1);
      temp = temp/2.046; // T = (Vadc mV /10) = (1/10) * ADC_READ*(5000/1023) 
      tempn = tempn/2.046;
      tempout = temp - tempn;
      shortToStr(tempout,Tc);
      Lcd_Out(2,1,Tc);
     Lcd_Chr_Cp(223); // ASCII degree character 
     Lcd_Chr_Cp('C');
    delay_ms(1000);
  }
}

/* This project measures the temperature with a RTD PT100  and
* then displays on a LCD
Eng.F.Abdelaziz
 */

// LCD module connections
sbit LCD_RS at RC0_bit;
sbit LCD_EN at RC1_bit;
sbit LCD_D4 at RC4_bit;
sbit LCD_D5 at RC5_bit;
sbit LCD_D6 at RC6_bit;
sbit LCD_D7 at RC7_bit;
sbit LCD_RS_Direction at TRISC0_bit;
sbit LCD_EN_Direction at TRISC1_bit;
sbit LCD_D4_Direction at TRISC4_bit;
sbit LCD_D5_Direction at TRISC5_bit;
sbit LCD_D6_Direction at TRISC6_bit;
sbit LCD_D7_Direction at TRISC7_bit;
// End LCD module connections

float rtdv,rtdr,temp,y; //  Floating-point Types
int msd, isd;
char temperature [6] ;

void main()
{

/* Initialize the microcontroller */

TRISA=0xFF;	//configure PORTA as Input direction
TRISB=0;		//configure PORTB as Output direction
TRISC=0;		//configure PORTD as Output direction
PORTA=0;	//Clear
PORTB=0;
PORTC=0;
//===============================================

  Lcd_Init();                        		// Initialize LCD
  Lcd_Cmd(_LCD_CLEAR);               	// CLEAR display
  Lcd_Cmd(_LCD_CURSOR_OFF);          // Cursor off

  Lcd_Out(1,1,"RTD Pt100 TEMP.");

while(1) {



rtdv = ADC_Read(0);// Get RTD voltage 10-bit result

rtdv  = rtdv  *5 /1024 ; //Scale RTD voltage in Volts
rtdv  = rtdv/5; //for op amp gain

/* Calculate RTD resistance rtdr */
rtdr = rtdv*1000.0/(5.0-rtdv);

/* Calculate temperature temp */

y = 0.15274- (rtdr-100.0)*0.0002310;
if(y>= 0) y = sqrt(y) ;
temp = (y-0.39083)/(-0.0001155) ;

ByteToStr(temp,temperature); // Change to string
   Lcd_Out(2,6,temperature); // Display
   Lcd_Chr(2, 9, 223);// Add degree character
   Lcd_Chr(2, 10, 'C');// Add letter "c"
delay_ms(1000);
//==============
}

}