WeMOS: D1 R1 mini LCD I2C Hello World

Sumber: https://www.esp8266learning.com/wemos-mini-i2c-lcd-example.php

Wemos Mini	LCD1602
GND	        GND
3v3	        VCC
D2	        SDA
D1	        SCL

Download Library

• http://www.esp8266learning.com/wp-content/uploads/2017/12/LiquidCrystal_I2C-master.zip

Code

/*
  Wemos Mini	LCD1602
  GND	        GND
  3v3	        VCC
  D2	        SDA
  D1	        SCL
*/

#include <Wire.h>
#include <LiquidCrystal_I2C.h>
 
LiquidCrystal_I2C lcd(0x3F,16,2); // set the LCD address to 0x3F for 
a 16 chars and 2 line display
 
void setup()
{
  lcd.init(); // initialize the lcd
  lcd.init();
  // Print a message to the LCD.
  lcd.backlight();
  lcd.setCursor(0,0);
  lcd.print("Hello world");
  lcd.setCursor(1,0);
  lcd.print("ESP32 I2C LCD");
}

void loop(){
}

Referensi

• https://www.esp8266learning.com/wemos-mini-i2c-lcd-example.php