import machine
import utime
import tm1637

# Initialize the display (CLK=16, DIO=17)
tm = tm1637.TM1637(clk=machine.Pin(16), dio=machine.Pin(17))

# Set brightness (0 to 7)
tm.brightness(3)

# Initialize the internal RTC
rtc = machine.RTC()

# Optional: Set the time manually (Year, Month, Day, Weekday, Hr, Min, Sec, Subsec)
# rtc.datetime((2023, 10, 27, 4, 12, 30, 0, 0)) 

while True:
    # Get current time from RTC
    t = rtc.datetime()
    hours = t[4]
    minutes = t[5]
    seconds = t[6]

    # Display hours and minutes
    # The 'True' argument toggles the colon (:)
    # We blink the colon every second using the parity of seconds
    show_colon = seconds % 2 == 0
    tm.numbers(hours, minutes, show_colon)

    utime.sleep(0.5)