YwRobot DS1307 Real Time Clock RTC Module

Description
DS1307 is a low-power, full BCD code clock calendar real-time clock chip with 56 bytes of non-volatile RAM. Address and data are transmitted through a two-wire bidirectional serial bus. The chip can provide information such as seconds, minutes, and hours. , The number of days in each month can be adjusted automatically. And has a leap year compensation function, It can count the seconds, hours, minutes, days of the month, month, and days of the week, and has a leap year compensation function. 2100 is online for the year.

Features
Chip: DS1307
Voltage: 5V
Input: digital level
Interface: I2C
Platform: Arduino, microcontroller
56 bytes of non-volatile RAM
Two-wire serial interface
Programmable square wave output
Automatic power failure detection and switching circuit
In battery backup mode, power consumption is less than 500nA