MULTIPLE SCREENS IN 1 LCD 16X2 I2C LCD DISPLAY || DISPLAY ALL SENSORS FE...

MULTIPLE SCREENS IN 1 LCD 16X2 I2C LCD DISPLAY || DISPLAY ALL SENSORS FEEDBACK

CIRCUIT:

SOURCE CODE 1:

#include <Wire.h> 

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F,16,2);//Default address is 0x27

int page_counter=1 ;       //To move beetwen pages

//-------Pins-----//

int up = 2;               //Up button

int down = 3;           //Down button

//---------Storage debounce function-----//

boolean current_up = LOW;          

boolean last_up = LOW;            

boolean last_down = LOW;

boolean current_down = LOW;

        

void setup() {

  lcd.init();

  lcd.backlight();

}

   //---- De-bouncing function for all buttons----//

boolean debounce(boolean last, int pin)

{

boolean current = digitalRead(pin);

if (last != current)

{

delay(5);

current = digitalRead(pin);

}

return current;

}

void loop() {

MULTIPLE_SCREENS();

}

void MULTIPLE_SCREENS() {

current_up = debounce(last_up, up);         //Debounce for Up button

current_down = debounce(last_down, down);   //Debounce for Down button

//----Page counter function to move pages----//

//Page Up

    if (last_up == LOW && current_up == HIGH){  //When up button is pressed

      lcd.clear();                     //When page is changed, lcd clear to print new page  

      if(page_counter <5){              //Page counter never higher than 3(total of pages)

      page_counter = page_counter +1;   //Page up

      

      }

      else{

      page_counter = 5;  //NUMBER OF SCREENS/PAGES

      }

  }

  

    last_up = current_up;

//Page Down

    if (last_down == LOW && current_down == HIGH){ //When down button is pressed

      lcd.clear();                     //When page is changed, lcd clear to print new page    

      if(page_counter >1){              //Page counter never lower than 1 (total of pages)

      page_counter = page_counter -1;   //Page down

      

      }

      else{

      page_counter = 1;  

      }

  }

    

    last_down = current_down;

//------- Switch function to write and show what you want---// 

  switch (page_counter) {

   

    case 1:{     //Design of HOME SCREEN 1

      lcd.setCursor(0,0);

      lcd.print("MK_INVENTIONS");

      lcd.setCursor(15,0);

      lcd.print("1");

      lcd.setCursor(4,1);

      lcd.print("SCREEN 1");

    }

    break;

    case 2: { //Design of SCREEN 2 

     lcd.setCursor(0,0);

     lcd.print("MADHAN KUMAR");

      lcd.setCursor(15,0);

      lcd.print("2");     

     lcd.setCursor(4,1);

     lcd.print("SCREEN 2");

    }

    break;

    case 3: {   //Design of SCREEN 3 

     lcd.setCursor(0,0);

     lcd.print("CHIRUGURI");

     lcd.setCursor(15,0);

     lcd.print("3");     

     lcd.setCursor(4,1);

     lcd.print("SCREEN 3");

    }

    break;

    case 4: { //Design of SCREEN 4 

     lcd.setCursor(0,0);

     lcd.print("HELLO! WORLD");

      lcd.setCursor(15,0);

      lcd.print("4");     

     lcd.setCursor(4,1);

     lcd.print("SCREEN 4");

    }

    break;

    case 5: {   //Design of SCREEN 5 

     lcd.setCursor(0,0);

     lcd.print("WELCOME");

     lcd.setCursor(15,0);

     lcd.print("5");     

     lcd.setCursor(4,1);

     lcd.print("SCREEN 5");

    }

    break;    

  }//switch end

  

}//loop end

SOURCE CODE 2 FOR SERVO AND POTENTIOMETER VALUES:

#include <Wire.h> 

#include <LiquidCrystal_I2C.h>

#include<Servo.h>

Servo servo1;

LiquidCrystal_I2C lcd(0x3F,16,2);//Default address is 0x27

int page_counter=1 ;       //To move beetwen pages

int POTVALUE;

//-------Pins-----//

int up = 2;               //Up button

int down = 3;           //Down button

//---------Storage debounce function-----//

boolean current_up = LOW;          

boolean last_up = LOW;            

boolean last_down = LOW;

boolean current_down = LOW;

        

void setup() {

  lcd.init();

  lcd.backlight();

  servo1.attach(10);

  pinMode(A0, INPUT);

}

   //---- De-bouncing function for all buttons----//

boolean debounce(boolean last, int pin)

{

boolean current = digitalRead(pin);

if (last != current)

{

delay(5);

current = digitalRead(pin);

}

return current;

}

void loop() {

int POTENTIOMETER = analogRead(A0);

int POTVALUE = map(POTENTIOMETER, 0, 1023, 0, 180);

servo1.write(POTVALUE);

current_up = debounce(last_up, up);         //Debounce for Up button

current_down = debounce(last_down, down);   //Debounce for Down button

//----Page counter function to move pages----//

//Page Up

    if (last_up == LOW && current_up == HIGH){  //When up button is pressed

      lcd.clear();                     //When page is changed, lcd clear to print new page  

      if(page_counter <5){              //Page counter never higher than 3(total of pages)

      page_counter = page_counter +1;   //Page up

      

      }

      else{

      page_counter = 5;  //NUMBER OF SCREENS/PAGES

      }

  }

  

    last_up = current_up;

//Page Down

    if (last_down == LOW && current_down == HIGH){ //When down button is pressed

      lcd.clear();                     //When page is changed, lcd clear to print new page    

      if(page_counter >1){              //Page counter never lower than 1 (total of pages)

      page_counter = page_counter -1;   //Page down

      

      }

      else{

      page_counter = 1;  

      }

  }

    

    last_down = current_down;

//------- Switch function to write and show what you want---// 

  switch (page_counter) {

   

    case 1:{     //Design of HOME SCREEN 1

      lcd.setCursor(0,0);

      lcd.print("MK_INVENTIONS");

      lcd.setCursor(15,0);

      lcd.print("1");

      lcd.setCursor(4,1);

      lcd.print("SCREEN 1");

    }

    break;

    case 2: { //Design of SCREEN 2 

     lcd.setCursor(0,0);

     lcd.print("MADHAN KUMAR");

      lcd.setCursor(15,0);

      lcd.print("2");     

     lcd.setCursor(4,1);

     lcd.print("SCREEN 2");

    }

    break;

    case 3: {   //Design of SCREEN 3 

     lcd.setCursor(0,0);

     lcd.print("CHIRUGURI");

     lcd.setCursor(15,0);

     lcd.print("3");     

     lcd.setCursor(4,1);

     lcd.print("SCREEN 3");

    }

    break;

    case 4: { //Design of SCREEN 4 

     lcd.setCursor(0,0);

     lcd.print("HELLO! WORLD");

      lcd.setCursor(15,0);

      lcd.print("4");     

     lcd.setCursor(4,1);

     lcd.print("SCREEN 4");

    }

    break;

    case 5: {   //Design of SCREEN 5 

     lcd.setCursor(0,0);

     lcd.print("SERVO1:");

     lcd.setCursor(7,0);

     lcd.print(POTVALUE);     

     lcd.setCursor(15,0);

     lcd.print("5");     

     lcd.setCursor(4,1);

     lcd.print("SCREEN 5");

    }

    break;    

  }//switch end

  

}//loop end