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2022-06-18 15:10:35 -05:00
#include <Wire.h>
#include <LiquidCrystal.h>
#define CONTRAST_PIN 9
#define BACKLIGHT_PIN 7
#define CONTRAST 110
LiquidCrystal lcd(12, 11, 5, 4, 3, 2, BACKLIGH_PIN, POSITIVE );
// Creat a set of new characters
byte smiley[8] = {
0b00000,
0b00000,
0b01010,
0b00000,
0b00000,
0b10001,
0b01110,
0b00000
};
byte armsUp[8] = {
0b00100,
0b01010,
0b00100,
0b10101,
0b01110,
0b00100,
0b00100,
0b01010
};
byte frownie[8] = {
0b00000,
0b00000,
0b01010,
0b00000,
0b00000,
0b00000,
0b01110,
0b10001
};
void setup()
{
Serial.begin ( 57600 );
// Switch on the backlight and LCD contrast levels
pinMode(CONTRAST_PIN, OUTPUT);
analogWrite ( CONTRAST_PIN, CONTRAST );
//lcd.setBacklightPin ( BACKLIGHT_PIN, POSITIVE );
//lcd.setBacklight ( HIGH );
lcd.backlight();
lcd.begin(16,2); // initialize the lcd
lcd.createChar (0, smiley); // load character to the LCD
lcd.createChar (1, armsUp); // load character to the LCD
lcd.createChar (2, frownie); // load character to the LCD
lcd.home (); // go home
lcd.print("Hello, ARDUINO ");
lcd.setCursor ( 0, 1 ); // go to the next line
lcd.print (" FORUM - fm ");
}
void loop()
{
// Do a little animation by writing to the same location
lcd.setCursor ( 14, 1 );
lcd.print (char(2));
delay (200);
lcd.setCursor ( 14, 1 );
lcd.print ( char(0));
delay (200);
}