The DS1302 Real-Time Clock (RTC) Module is a low-power timekeeping module that keeps track of time and date, even when the main system is turned off, thanks to its built-in battery backup. It is widely used in Arduino, Raspberry Pi, ESP32, STM32, and IoT projects where precise time tracking is required.
This module supports year, month, day, hour, minute, second, and weekday tracking with a leap year correction function. It communicates with microcontrollers using a simple 3-wire serial interface, making it easy to integrate into projects like data loggers, clock systems, alarms, and automation.
Key Features:
✅ Real-Time Clock Functionality: Tracks seconds, minutes, hours, date, month, day of the week, and year with automatic leap year adjustment.
✅ Battery Backup: Retains time even when the main power is off using a CR2032 coin-cell battery.
✅ Low Power Consumption: Operates with minimal power, making it suitable for long-term applications.
✅ 3-Wire Serial Interface: Easy to interface with Arduino, Raspberry Pi, ESP32, STM32, and other microcontrollers.
✅ Wide Applications: Used in clock systems, data logging, IoT, automation, security systems, and smart home devices.
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