5.4.15 Project 8.1 Display Characters

1. Description

As we all know, screen is one of the best ways for people to interact with electronic devices.

2. Component Knowledge

1602 is a line that can display 16 characters. There are two lines, which use IIC communication protocol.

3. Control Pins

SDA	SDA
SCL	SCL

4. Test Code

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C mylcd(0x27,16,2);

void setup(){
  mylcd.init();
  mylcd.backlight();
}

void loop(){
  mylcd.setCursor(0, 0);
  mylcd.print("hello");
  mylcd.setCursor(0, 1);
  mylcd.print("keyestudio");
  //mylcd.clear();
}

5. Test Result

The first line of the LCD1602 shows hello and the second line shows keyestudio.