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Small green circuit board with DS3231 chip, battery holder and female pin headers

LORDWORLD

LORDWORLD Pico-RTC-DS3231 RTC Module for Raspberry Pi Pico

SKU CH-SG58-FX68V

Keeps accurate time on a Raspberry Pi Pico with a DS3231 chip, battery backup and stackable header for extra sensors until 2100

  • Keeps accurate time for years with DS3231 precision chip
  • Stackable header lets you add more sensors on top
  • Battery backup holds clock data when main power is off
  • Calendar tracks leap years automatically until 2100
  • Simple I2C link works straight from Raspberry Pi Pico

RTC Module for Raspberry Pi Pico

The LORDWORLD Pico-RTC-DS3231 adds a hardware real-time clock to any Raspberry Pi Pico board. It is aimed at makers and developers who need accurate timekeeping in data-logging, scheduling or timestamping projects without relying on network time.

I2C Bus and Stackable Layout

The module communicates over the I2C bus, leaving other GPIO pins free for additional sensors or peripherals. Its stackable female pin header allows the board to sit directly on the Pico while still exposing the header for further boards to be stacked above.

DS3231 Chip with Battery Backup

The onboard DS3231 chip provides leap-year compensated calendar data valid through the year 2100. A backup battery holder maintains the clock when main power is removed, so timestamps stay correct across power cycles.

Highlights

  • Keeps accurate time for years with DS3231 precision chip
  • Stackable header lets you add more sensors on top
  • Battery backup holds clock data when main power is off
  • Calendar tracks leap years automatically until 2100
  • Simple I2C link works straight from Raspberry Pi Pico

Specifications

BrandLORDWORLD

Questions about this item

Which Pico RTC module should I choose for a stackable design with a battery backup?

The Pico-RTC-DS3231 uses the DS3231 chip and includes a backup battery holder. Its stackable female header lets you add more sensors on top.

How accurate is the DS3231 clock once it is running on a Raspberry Pi Pico?

The DS3231 tracks seconds, minutes, hours, date, month, day of week and year with leap-year compensation valid up to 2100.

What does the I2C interface limit when using this RTC board?

Communication runs over I2C, so the clock shares the bus with any other I2C devices you connect to the Pico.

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