DFRobot Gravity I2C DS1307 RTC Module

Ratings
Delivered between Tue, 13.5. and Wed, 14.5.
More than 10 items in stock at third-party supplier
Supplied by

Product details

This is a DS1307 I2C real-time clock from DFRobot. The module features a crystal oscillator to ensure a tolerance of approximately 1 second per 24 hours. It utilizes the Gravity I2C interface, allowing it to be directly connected to a Gravity I/O Expansion Shield. With a 4KB EEPROM, it can store information such as alarm timers and events.

Note: The CR1220 coin cell is not included and must be purchased separately.

Recommended accessory:
CR1220 coin cell lithium battery 3V

Technical details:
Manufacturer: DFRobot
Manufacturer SKU: DFR0151
Voltage: 5V
Interface: I2C
I2C Output Data: Hours, Minutes, Seconds, Week, Day, Month, Year
Leap Year Compensation: Yes
Accurate Calendar until: 2100
Dimensions: 22 x 27 x 7 mm
Weight: 13.4g

Package includes:
1x Gravity I2C DS1307 RTC module
1x Gravity 4-pin I2C/UART cable 30cm
1x 5-pin header.

Key specifications

Item number
24935806

General information

Manufacturer
DFRobot
Category
Development boards + Kits
Release date
30.3.2023

Power supply

Operating voltage
5 V

Origin

Country of origin
China

Voluntary climate contribution

CO₂-Emission
Climate contribution

Scope of delivery

Scope of delivery
1x 5pin pin header, 1x Gravity 4pin I2C/UART cable 30cm, 1x Gravity I2C DS1307 RTC module

Product dimensions

Length
22 mm
Width
27 mm
Height
7 mm
Weight
13.40 g

30-day right of returnReturn policy
24 Months Warranty (Bring-in)Warranty provisions

Compare products

Goes with

Reviews & Ratings

Warranty score

How often does a product of this brand in the «Development boards + Kits» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 5.micro:bit
    0.1 %
  • 5.Purecrea
    0.1 %
  • 8.DFRobot
    0.2 %
  • 8.Joy-it
    0.2 %
  • 8.Sensirion
    0.2 %

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Shelly
    0 days
  • 1.WaveShare
    0 days
  • 5.DFRobot
    1 day
  • 6.Raspberry Pi
    3 days
  • 7.HutoPi
    6 days

Return rate

How often is a product of this brand in the «Development boards + Kits» category returned?

Source: Digitec Galaxus
  • 10.Arduino
    1.2 %
  • 10.HutoPi
    1.2 %
  • 12.DFRobot
    1.3 %
  • 13.Purecrea
    1.5 %
  • 14.WaveShare
    1.7 %
Source: Digitec Galaxus