งานปฏิบัติ 10

wiring diagram

Code 1

#include <Wire.h>

#include <LiquidCrystal_I2C.h> 

LiquidCrystal_I2C lcd(0x27,16,2);

void setup()

{

  lcd.backlight();

  lcd.begin();//LiquidCrystal_I2C

}

void loop() 

{

  lcd.setCursor(0,0);

  lcd.print("Hello LCD I2C");

  lcd.setCursor(0,1);

  lcd.print("Pattayatech");

}

Code 2

#include <LiquidCrystal_I2C.h> 

LiquidCrystal_I2C lcd(0x27,16,2);

int x=48;

int y=-79;

float z=8.74586; 

void setup()

{

lcd.begin();

}

void loop() 

{

  lcd.setCursor(0,0);

  lcd.print("x = ");

  lcd.print(x);

  lcd.setCursor(8,0);

  lcd.print("y = ");

  lcd.print(y);

  lcd.setCursor(0,1);

  lcd.print("z = ");

  lcd.print(z,4);

}

Code 3

#include <LiquidCrystal_I2C.h> 

LiquidCrystal_I2C lcd(0x27,16,2);

byte heart[8] = {0x00,0x0A,0x1F,0x1F,0x0E,0x04,0x00,0x00};

byte smile[8] = {0x00,0x11,0x00,0x00,0x11,0x0E,0x00,0x00};

void setup() 

{

  lcd.begin();

  lcd.createChar(0,heart);

  lcd.createChar(1,smile);

}

void loop() 

{

  lcd.setCursor(0,0);

  lcd.write(0);

  lcd.setCursor(0,1);

  lcd.write(1);

}

Code 4

#include <LiquidCrystal_I2C.h> 

LiquidCrystal_I2C lcd(0x27,16,2);

void setup() 

{

  lcd.begin();

}

void loop() 

{

  lcd.home();

  lcd.print("ECS");

  for (int i=0;i<13;i++)

  {

    delay(400);

    lcd.scrollDisplayRight();

  }

  for (int i=0;i<13;i++)

  {

    delay(400);

    lcd.scrollDisplayLeft();

  }

}