The Real Time Clock (RTC) project demonstrates how to use an Arduino Nano with an RTC module (DS3231 or DS1307) to keep track of the current date and time. RTC modules are essential for applications ...

Example code to have an Arduino read and set the date and time on a Dallas Semiconductor DS1216 / DS1315 real time clock (Smartwatch) chip. This only requires 4 wires between the Arduino and the clock ...

The build relies on that old stalwart, the Arduino Uno, to run the show. It’s hooked up to a DS3231 real-time clock module so it can keep accurate time for long periods, as is befitting a clock.

The build relies on that old stalwart, the Arduino Uno, to run the show. It’s hooked up to a DS3231 real-time clock module so it can keep accurate time for long periods, as is befitting a clock.