ds3231 rtc module

The DS3231 RTC module is a time tracking device that gives the current time and date. The word RTC is meant Real Time Clock. The RTC module made of clock chip DS3231. This module is generally used in computers, laptops, mobiles, embedded system applications devices, etc. to provide time and date. RTC module works on the I2C protocol. The module provides details such as second, minute, hour, day of the week, day of the month, month, and year including correction for leap year. One more interesting thing It can operate either in 12 Hour or in 24 Hour format. It’s can be used in projects like containing data-logging, clock-building, time stamping, timers, and alarms.

Module Specifications and Features
Parameter Value
Range of Operating Voltage 3.3V – 5V
Typical voltage supply 5V
Maximum voltage at SDA, SCL VCC + 0.3V
Operating temperature -45ºC to +80ºC
Real Time lock chip DS3231 I2C
EEPROM Chip AT24C32 32K I2C EEPROM memory
Configurable I2C device Address for AT24C32 Using SMD jumpers on PCB (A0, A1, A2)
I2C interface 400Khz
Battery type LIR2032 rechargeable lithium battery
Power consumption 500nA
Digital temperature sensor accuracy ±3ºC
Clock Provide Hour, Minutes, Seconds, AM/PM.
Calendar provides Day, Date, Month, Year.
Accuracy +2ppm to -2ppm for 0ºC to +40ºC , +3.5ppm to -3.5ppm for -40ºC to +85ºC
PCB Size 38mm (length) 22mm (W) 14mm (height)

Application
To design real time clock.
DIY projects.
Robotics projects.
Arduino projects.
Raspberry-Pi projects.
Electrical/Electronic projects.