Inside the jar there’s six 8×8 MAX7219 LED matrix ... There’s also a DS3231 RTC module so the clock can keep halfway decent time, but depending on how aggressively you are willing to ...
referring to a clock-shaped cookie jar prop from a season 8 episode. "I recently found the note that he had in it for me. I hadn't opened it up or looked inside of it, but yeah, he did.