#include <LiquidCrystal_I2C.h>;

LiquidCrystal_I2C lam(0x27,16,2);

void setup(){

  Serial.begin(115200);
  Serial.println("hello,esp32!");
  lam.init();
  lam.backlight();
  lam.setCursor(1,0);
  lam.print("lam");
}

void loop(){
  delay(10);
}