Instructions from the manufacturer here
You need the adafruit_display_text library folder, the adafruit_ds3231.mpy file, and adafruit_register library folder for this module to work.
(read comments on how to set the time)
Example prints date and time on LCD
Challenges:
Can you change between 24 and 12 hour time?
Print only the date and make it large.
Add a graphic that changes when the minute changes
Tell time without using numbers!