import utime 
from machine import Pin,I2C,ADC
from lcd_api import LcdApi
from pico_i2c_lcd import I2cLcd
I2C_ADDR     = 0x27
I2C_NUM_ROWS = 2
I2C_NUM_COLS = 16

i2c = I2C(0, sda=machine.Pin(0), scl=machine.Pin(1), freq=400000)
lcd = I2cLcd(i2c, I2C_ADDR, I2C_NUM_ROWS, I2C_NUM_COLS)    
utime.sleep(1)
lcd.clear()
while True:
    lcd.move_to(5,0)
    lcd.putstr(":")
    lcd.move_to(2,0)
    lcd.putstr(":")
    lcd.move_to(0,1)
    lcd.putstr("Hr")
    lcd.move_to(3,1)
    lcd.putstr("Min")
    lcd.move_to(7,1)
    lcd.putstr("sec")
    for k in range(0,24):
                lcd.move_to(0,0)
                lcd.putstr(str(k))
                utime.sleep(1)
                for j in range(0,60):
                    lcd.move_to(3,0)
                    lcd.putstr(str(j))
                    utime.sleep(1)
                    for i in range(0,60):
                        lcd.move_to(6,0)
                        lcd.putstr(str(i))
                        utime.sleep(0.000001)