The Arduino Uno reads the time from a DS1302 real-time clock (RTC) module. The RTC module is crucial for keeping accurate time, even when the Arduino is powered off. It maintains the time using a ...

But [Playful Technology] wanted to control the hands with an Arduino directly and, in the process, he shows us how these modules work. If you’ve never studied the inside of these clock modules ...

It takes a handful of LED arrays with an integrated driver, an Arduino Nano, a real-time clock module, and a voltage regulator. The software uses a custom 6×9 font and handles addressing the LEDs ...

Dejan Nedelkovski has built a stylish DIY touchscreen Arduino music player and ... it uses the BY8001 MP3 Player module and for the alarm clock it uses the DS3231 Real Time Clock module.