WeMOS: D1 R1 mini LCD I2C Hello World

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

Code

#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()
{
}