Bonjour,
J'essaye de gérer un écran LCD 2004 avec un arduino Uno connecté en I2C.
J'ai commencé par Copier/coller un code que j'ai trouvé sur la page du fournisseur. Apparemment il ne reconnait pas l'instruction "LiquidCrystal_I2C.h" car j'ai un message d'erreur qui dit ceci : I2C_LCD2004_Sample.pde:5:31: fatal error: LiquidCrystal_I2C.h: No such file or directory
J'ai du oublier quelque chose mais quoi ?
Voici le code
//DFRobot.com
//Compatible with the Arduino IDE 1.0
//Library version:1.1
#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#if defined(ARDUINO) && ARDUINO >= 100
#define printByte(args) write(args);
#else
#define printByte(args) print(args,BYTE);
#endif
uint8_t bell[8] = {0x4,0xe,0xe,0xe,0x1f,0x0,0x4};
uint8_t note[8] = {0x2,0x3,0x2,0xe,0x1e,0xc,0x0};
uint8_t clock[8] = {0x0,0xe,0x15,0x17,0x11,0xe,0x0};
uint8_t heart[8] = {0x0,0xa,0x1f,0x1f,0xe,0x4,0x0};
uint8_t duck[8] = {0x0,0xc,0x1d,0xf,0xf,0x6,0x0};
uint8_t check[8] = {0x0,0x1,0x3,0x16,0x1c,0x8,0x0};
uint8_t cross[8] = {0x0,0x1b,0xe,0x4,0xe,0x1b,0x0};
uint8_t retarrow[8] = { 0x1,0x1,0x5,0x9,0x1f,0x8,0x4};
LiquidCrystal_I2C lcd(0x27,20,4); // set the LCD address to 0x27 for a 20 chars and 4 line display
void setup()
{
// Serial.begin(57600);
lcd.init(); // initialize the lcd
lcd.backlight();
lcd.createChar(0, bell);
lcd.createChar(1, note);
lcd.createChar(2, clock);
lcd.createChar(3, heart);
lcd.createChar(4, duck);
lcd.createChar(5, check);
lcd.createChar(6, cross);
lcd.createChar(7, retarrow);
lcd.home();
lcd.setCursor(0, 0);
for(int i = 0;i < 20; i++) lcd.printByte(6);
lcd.setCursor(0, 1);
lcd.printByte(6);
lcd.print(" Hello world ");
lcd.printByte(6);
lcd.setCursor(0, 2);
lcd.printByte(6);
lcd.print(" i ");
lcd.printByte(3);
lcd.print(" arduinos! ");
lcd.printByte(6);
lcd.setCursor(0, 3);
for(int i = 0;i < 20; i++) lcd.printByte(6);
// lcd.clear();
}
void loop()
{
}