Real-Time Clock Display using Arduino and RTC Module
The Real-Time Clock (RTC) Display project is a simple yet highly useful application that allows an Arduino to display accurate, real-time time and date using an RTC module, typically the DS3231 or DS1307. These modules keep time even when the Arduino is powered off, thanks to a built-in battery.
This project involves connecting the RTC module to an Arduino Uno and displaying the time and date on a 16×2 LCD with I2C interface. The Arduino communicates with the RTC via the I2C protocol, reading the current time and updating the LCD screen every second. The RTC maintains accurate time using its internal oscillator and backup power source.
This system is ideal for projects where maintaining accurate time is critical, such as digital clocks, event loggers, automation systems, or attendance systems. The RTC ensures that even if the Arduino loses power, the correct time is preserved and resumes seamlessly when powered on.
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