Arduino LCD via I2C (PCF8574AP)
hi guys,,, found problem on hd44780 (16x2) display via i2c pcf8574ap.
when uploaded example sketch, there few problems. first line filled black boxes.
i'm not able print text on display.
is there solution ??
i use code
#include <wire.h>
#include <liquidcrystal_i2c.h>
liquidcrystal_i2c lcd(0x38,16,2); // set lcd address 0x20 16 chars , 2 line display
void setup()
{
lcd.init(); // initialize lcd
// print message lcd.
lcd.backlight();
lcd.print("hello, world!");
}
void loop()
{
}
i use schematic
when uploaded example sketch, there few problems. first line filled black boxes.
i'm not able print text on display.
is there solution ??
i use code
#include <wire.h>
#include <liquidcrystal_i2c.h>
liquidcrystal_i2c lcd(0x38,16,2); // set lcd address 0x20 16 chars , 2 line display
void setup()
{
lcd.init(); // initialize lcd
// print message lcd.
lcd.backlight();
lcd.print("hello, world!");
}
void loop()
{
}
i use schematic
hi guys,,, found problem on hd44780 (16x2) display via i2c pcf8574ap.
when uploaded example sketch, there few problems. first line filled black boxes.
i'm not able print text on display.
is there solution ??
...
yes, there solution. try looking on thread starters --> http://forum.arduino.cc/index.php?topic=170817.0.
also, delete duplicate thread.
don
Arduino Forum > Using Arduino > Displays > Arduino LCD via I2C (PCF8574AP)
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