c_cpp #arduino＃esp8266 #wemosd1

Posted 2021-05-14

#include <Wire.h> 
#include <LiquidCrystal_I2C.h>

// Address,EN,RW , RS, D4,D5,D6,D7,BackLight,BL_Polarity
//LiquidCrystal_I2C lcd1(0x26, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); 
LiquidCrystal_I2C lcd2(0x3F, 2, 1, 0, 4, 5, 6, 7, 3, POSITIVE); 

void setup()
{
 

 lcd2.begin(16,2); 
 lcd2.backlight();
 lcd2.print("LCD 16 x 2");
 lcd2.setCursor(0,1);
 lcd2.print("I2C Address 0x3F");
 delay(2000);
 lcd2.noDisplay();
 delay(2000);
 lcd2.display();
 lcd2.setCursor(0,1);
 lcd2.print("I2C Address 0x27");
 
}

void loop()
{
}