DS1302 is DALLAS company launched a trickle charge clock chip, containing a real-time clock/calendar and 31 bytes of static RAM, communicating through serial interface simple and single-chip microcomputer. The real-time clock/calendar circuit provides seconds, hours, days, weeks, months, years of information, a number of days in the month and leap year can automatically adjust. The clock operation instructions through the AM/PM decided to use 24 or 12-hour format.   পিন ডেস্ক্রিপশন   PIN NAME FUNCTION 1 VCC2 Primary Power-Supply Pin in Dual Supply Configuration. VCC1 is

DS1302 REAL-TIME CLOCK MODULE / WITH BATTERY CR2032 (2 pcs)

MH Real Time Clock Module - 2Real-time clock module with Dallas DS1302 Integration and with a battery socket to not reset the clock is compatible with Arduino and always gives the correct time. MH Real Time Clock Module - 2 FeaturesDimensions: 43mm X 23mmWorking Voltage: 2V - 3.3V - 5.5VActive Working Current (5V): 1.28mAClock-holding Current (5V): 1uACommunication protocol: 3 pin serial DocumentsFor the product's PDF fileclick here. Useful LinksArduino Module TypesYou can examine.

Real-time clock module with Dallas DS1302 Integration and with a battery socket to not reset the clock is compatible with Arduino and always gives the correct time.

The DS1302 Real-Time Clock Module provides a DS1302 real-time clock with a 32 kHz crystal and on-board battery backup, all in a small SIP module that can be easily plugged into a breadboard.