#include <Servo.h>
#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x3F, 16, 2); // initialize I2C LCD
int servoPin1 = 9;
int servoPin2 = 10;
Servo servo1;
Servo servo2;
int angle = 0;  // servo position in degrees

void setup() 
{
lcd.init();          // initialize the LCD
  lcd.backlight();     // turn on the backlight
  servo1.attach(servoPin1);
  servo2.attach(servoPin2);
}

void loop() 
{

    // scan from 0 to 180 degrees
    for(angle = 0; angle < 90; angle++) 
    {
        servo1.write(angle);
        delay(15);
    }
    delay(2000);
    // now scan back from 180 to 0 degrees
    for(angle = 90; angle > 0; angle--) 
    {
        servo1.write(angle);
        delay(15);
    }

    // scan from 0 to 180 degrees
    for(angle = 0; angle < 90; angle++) 
    {
        servo2.write(angle);
        delay(15);
    }
    delay(2000);
    // now scan back from 180 to 0 degrees
    for(angle = 90; angle > 0; angle--) 
        {
        servo2.write(angle);
        delay(15);
        }
    for (int i = 10; i > 0; i--) 
        { // start countdown from 10 to 1
        lcd.clear();        // clear the LCD screen
        lcd.setCursor(0,0); // set the cursor to the first column of the first row
        lcd.print("Countdown:"); 
        lcd.setCursor(0,1); // set the cursor to the first column of the second row
        lcd.print(i);       // print the current count value
        delay(1000);        // wait for 1 second
        }
  lcd.clear();
}