This HUD clock from [Kiwi Bushwalker] is one such example. The build relies on four 8×8 LED matrixes to display the four digits that make up the time, run by the MAX7219 driver chip. However ...

Simply put, time synchronization is setting the time on two or more clocks to be the same. Hidden in this simple sentence are obstacles involved with "setting" the time, the length of time it takes to ...