LinkMejor DS1302 Clock Module Real-Time Clock Module RTC for AVR ARM

Great Sensors for Project. Having Fun With Electronics and Programming! Description:Real-time clock with energy calculations before 2100 seconds, minutes, hours, day, week, month, year capacity, as well as the ability to leap year adjustmentserial I / O ports such a way that a minimum number of pinsWide operating voltage range 3.3V/5.5VRead / write clock or RAM data transfer mode, there are two single-byte and multi-byte transfer mode transmission character set8-pin DIP package or an optional 8-pin SOIC surface mount package underSimple 3-wire interface Specification:Operating Voltage: 3.3V / 5VPCB Size: 43mm x 23mm (L*W) Package Includes:1 x DS1302 Module