Tiny RTC Real Time Clock DS1307 I2C IIC Module for Arduino

(2 customer reviews)

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SKU: 318863
  1. Operating Voltage: 5V
  2. Two wire I2C interface
  3. Hour: Minutes: Seconds AM/PM
  4. Leap year compensation
  5. Accurate calendar up to the year 2100
  6. Consumes Less than 500nA in Battery-Backup


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Category: RTC Module
Tags: Arduino, Real Time Clock, DS1307, RTC, Clock

This is Tiny RTC Real Time Clock DS1307 I2C IIC Module for Arduino. It contains a DS1307 real-time clock IC with a backup battery. It’s one of the easiest to use RTCs out there, with Arduino and other libraries or simply use I2C commands to set and retrieve the time and date. Includes a lithium coin cell battery which should be good for four years at least.

Along with the DS1307 real-time clock, the module also has an Atmel 24C32 EEPROM chip which is handy for storing data without worrying about power loss. There is also space on the board to solder your own DS18B20 temperature sensor.

This battery-powered clock allows you to keep a reasonably accurate time even when your Arduino is powered off.  It is very useful in data logging and other time-sensitive applications. The device uses I2C to communicate with your Arduino.

Note: Battery is not included in the package, you need to buy it separately.

Features :

  1. Two-wire I2C interface
  2. Hour: Minutes: Seconds AM/PM
  3. Leap year compensation
  4. Accurate calendar up to the year 2100
  5. Consumes Less than 500nA in Battery-Backup
  6. 1Hz output pin
  7. 56 Bytes of Non-volatile memory available to the user
  8. 4KB of serial electrically erasable and programmable read-only memory (EEPROM)
  9. Embed DS18B20 temperature sensor interface with the pull-up resistor.

Package Includes :

1 x Tiny RTC Real Time Clock DS1307 I2C IIC Module for Arduino

SKU: 318863 Category: Tags: , , , ,
PCB Size ( L x W ) mm

27 x 28

Weight (g):


Shipping Weight 0.01 kg
Shipping Dimensions 4 × 4 × 2 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

Based on 2 reviews

5.0 overall

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  1. yashometheater (verified owner)

    Best Quality Good Working Very tiny size


  2. arkapravomandal44 (verified owner)

    Working good as expected. Value for money. Recommended and also appreciated.


DS1307 Datasheet

24C32 Datasheet

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Country Of Origin: China

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