DS1302 DS1307 Tiny RTC Mini DS3231 AT24C32 IIC I2C Precision Real Time Clock Module Battery for Arduino Raspberry Pi

Model : (choose in product option)

1) DS3231 AT24C32 RTC

2) DS3231 Rasp Pi RTC

3) DS1307 Tiny RTC

4) DS1302 RTC

**All RTC Build in Backup Battery



1) DS3231 AT24C32 RTC Module

Specification:

Operating voltage : 3.3v -5v

Weight : 8g

Dimension : 38mm(L) * 22mm(W) * 14mm(H)

IC :DS3231

EEPROM IC : AT24C32 (32KB)

IIC I2C Pinout : Suitable for Arduino

Tutorial / Reference Link :

URL : https://lastminuteengineers.com/ds3231-rtc-arduino-tutorial/



2) DS3231 Rasp Pi RTC Module

Specification :

Small size

Works in 3.3V and 5V

Two Time-of-Day alarms

Accuracy ±2ppm from 0°C to +40°C

Digital temp sensor output: ±3°C Accuracy

Fast (400KHz) I2C interface

Accurate calendar up to year 2100

Supported by Raspberry Pi and Arduino

Tutorial / Reference LInk :

URL : https://thepihut.com/blogs/raspberry-pi-tutorials/17209332-adding-a-real-time-clock-to-your-raspberry-pi

URL2 : https://github.com/jarzebski/Arduino-DS3231



3) DS1307 TinyRTC Module

Specification :

On-board 1 piece of DS1307 I2C real-time clock chip (RTC)

On-board 1 piece of 24C32 32K I2C EEPROM memory

5V VCC Power

On Board PCB Slot for DS18B20 Temperature Sensor (Not included)

IIC I2C Pinout : Suitable for Arduino

Tutorial / Reference Link :

URL : https://pdf.direnc.net/upload/tinyrtc-i2c-modul-datasheet.pdf



4) DS1302 RTC Module

Specification :

DS1302 main performance index

The real time clock has the ability of calculating prior to the 2100 second, minute, hour, day, week, month, year, and the ability to adjust a leap year

Wide working voltage: 2.0~5.5 V

When The working voltage is 2.0V, the current is less than 300nA

Read/write clock or RAM data have two transmission way: Single-byte / many bytes group

8 feet DIP assembly or optional 8 feet SOIC encapsulation according to surface assembly

Simple 3 line interface

Tutorial / Reference Link :

URL : https://miliohm.com/ds1302-rtc-with-arduino-tutorial/