DFRobot Fermion: SD3031 Precision RTC Module for Arduino (Breakout)

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Out of stock

Approx Restocking Date: 25 to 30 Days
SKU: 1551169
  1. Supply Voltage: 3.3V
  2. I2C Address: 0x32
  3. SRAM: 70 Byte (0x2C-0x71)
  4. Timing Year Range: 2000 – 2099
  5. Operating Temperature: -10℃ to +70℃

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Brand: DF Robot
Category: Boards Compatible with Arduino
Tags: DFRobot Fermion, SD3031 Precision RTC Module

This real-time clock (RTC) module uses the SD3031 chip, which has an integrated crystal oscillator and temperature compensator. This provides high-precision timing and stability. At a temperature of 25 °C, the accuracy is maintained at ±3.8ppm (±0.32832 seconds/day).

The SD3031 can be powered by button-cell batteries. This allows for accurate timing even when the main power source is interrupted. The RTC keeps track of seconds, minutes, hours, days of the week, dates of the month, months, and years. It also automatically adjusts the date at the end of each month and includes leap year corrections. The SD3031 has a built-in 70-byte SRAM for low-power data storage.

Please note that due to recent air cargo regulations, special items such as batteries, magnets, and liquids are strictly audited for air transport. As a result, the RTC module does not come with batteries. You will need to purchase them locally. The button cell model that is compatible with this module is the CR1220.

Applications:
  1. Event Reminder
  2. Countdown Devices
  3. MCU External Wake-up Source
  4. Clock & Alarm Output
  5. IoT Data Collection & Storage

Features:

  1. Low power consumption, operating current of only 1.8µA when powered by a button cell battery
  2. High precision, ±3.8ppm@25℃
  3. Integrated temperature compensator, small temperature drift
  4. Readable button cell voltage
  5. Built-in 70Byte SRAM

Package Includes:

1 x Fermion: SD3031 RTC module (Breakout)

1 x 2.54-7P Black Single-row Pin Connector

Supply Voltage

3.3V

I2C Address

0x32

SRAM

70 Byte (0x2C-0x71)

Timing Year Range

2000 – 2099

Operating Temperature

-10℃ to +70℃

Timing Accuracy:

±3.8ppm @ 25℃

Dimension

22.5x21mm/0.89×0.83"

Shipping Weight 0.008 kg
Shipping Dimensions 6 × 6 × 3 cm
6 Months Warranty

This item is covered with a supplier warranty of 6 months from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.


What voids the 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.

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Country Of Origin: China