Introduction A key element in many Arduino projects is time management. Whether to create an alarm clock, a data logger, or any other system requiring precise time management, the use of an RTC (Real Time Clock) module proves to be the perfect solution.In this tutorial, we will learn about the RTC module for ESP32 and see how it can optimize the accuracy and reliability of your projects.Here is the diagram associated with the project: Read time from clock module To use the DS1307 clock module, you will need to install the RTClib library in Arduino IDE. To do this, click on Library Manager then RTClib: