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

#define LCD_ADDR 0x27
#define LCD_COLUMNS 16
#define LCD_ROWS  2
LiquidCrystal_I2C lcd (LCD_ADDR, LCD_COLUMNS, LCD_ROWS);
int  Redled=3;
int greenled=4;
int yellowled=5;
int purpleled=6;
int buzzerled=10;
void setup() {
  // put your setup code here, to run once:
lcd.begin(16,2);
lcd.init();
lcd.backlight();

lcd.setCursor(5,0);
lcd.print("hello");
pinMode(3, OUTPUT);
pinMode(4, OUTPUT);
pinMode(5, OUTPUT);
pinMode(6, OUTPUT);
pinMode(10, OUTPUT);
lcd.setCursor(0,1);
lcd.print("The best robotics");
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(3, HIGH);
delay(500);
digitalWrite(3, LOW);
digitalWrite(4, HIGH);
delay(500);
digitalWrite(4, LOW);
digitalWrite(5, HIGH);
delay(500);
digitalWrite(5, LOW);
digitalWrite(6, HIGH);
delay(500);
digitalWrite(6, LOW);
digitalWrite(10, HIGH);
delay(500);
digitalWrite(10, LOW);
}