from machine import Pin, SoftI2C
from utime import sleep
from i2c_lcd import I2cLcd

i2c = SoftI2C(sda=Pin(21), scl=Pin(22))
lcd = I2cLcd(i2c, 0x27, 2, 16) 

lcd.putstr("Welcome home")
lcd.move_to(12, 1)

sleep(2)
lcd.clear

while True:
    for i in range(16):
        lcd.move_to(i, 1)
        lcd.putstr('>')
        sleep(0.1)
    for i in range(15, -1, -1):
        lcd.move_to(i, 1)
        lcd.putstr('<')
        sleep(0.1)