import time
import lcd_i2c as lcd
time.sleep(0.1) # Wait for USB to become ready
print("Hello, Pi Pico!")

lcd.str_wrt("hello")
while 1:
  for i in range(100):
    lcd.cmd_wrt(0xc0+3)
    lcd.str_wrt("cnt:"+str(lcd.zfl(i,3))+" cm")
    time.sleep(0.1)