DS3231 Creative DIY Dot Matrix LED Clock

Product Link: Electronic-Components Link: Features: Adopts DS3231 high precision clock chip(with temperature compensation), it can still accurately travel time after powered by backup battery. Gravity sensor function, it can show time normally when you turn over the clock. Special dot matrix design, reminding important festivals and alarm clock function. Large digital LED display, can show you time/temperature/date/day clearly. The font and the display effect