RTC Module

Real-Time Clock (RTC) tracks seconds, minutes, hours, day, date, month, and year

Leap-year correction and support for 12-hour / 24-hour format

Includes CR1220 coin cell battery holder for power backup

Operates with a simple 3-wire serial interface (CLK, DAT, RST)

Built-in 32.768kHz crystal oscillator for accurate timekeeping

Low power consumption in backup mode – ideal for long-term projects

Compatible with Arduino, ESP32, Raspberry Pi, and other microcontrollers