from machine import Pin
from time import sleep
import lcd

# Initialize LCD pins
lcd_rs = Pin(12, Pin.OUT)
lcd_e = Pin(11, Pin.OUT)
lcd_d4 = Pin(10, Pin.OUT)
lcd_d5 = Pin(9, Pin.OUT)
lcd_d6 = Pin(8, Pin.OUT)
lcd_d7 = Pin(7, Pin.OUT)

lcd.init(lcd_rs, lcd_e, lcd_d4, lcd_d5, lcd_d6, lcd_d7)

# Message to scroll
msg = "Welcome!"

while True:
    pos = 16  # Start from just off-screen right
    while pos >= -8:  # Scroll until message disappears completely
        lcd.clear()

        # Set cursor to 0 (beginning of row)
        lcd.setCursor(0, 0)

        # Only print characters that are within screen range
        for i in range(8):
            char_pos = pos + i
            if char_pos >= 0 and char_pos < 16:
                lcd.setCursor(char_pos, 0)
                lcd.print(msg[i])

        sleep(0.3)
        pos = pos - 1