Precision RTC Module for Raspberry Pi Pico (DS3231)

WaveshareSKU: WAV-19426
(3 Reviews)
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Sale price £13.50
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Description

This is a high-precision RTC expansion module specifically designed for the Raspberry Pi Pico.

The module incorporates a high-precision DS3231 RTC chip and uses the I2C bus for communication. The stackable design allows you to add other hardware whilst using the RTC board.

Note: Raspberry Pi Pico not included. You'll need a Pico with male headers soldered to it. You can grab a Pico here and Pico male headers here, or buy a Pico with pre-soldered headers.

Features

  • Standard Raspberry Pi Pico header, supports Raspberry Pi Pico series
  • Onboard high precision RTC chip DS3231, with backup battery holder
  • Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
  • Optional format: 24-hour OR 12-hour with an AM/PM indicator
  • 2x programable alarm clock
  • Online development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples)
  • Dimensions: 52mm x 21mm

Note: Raspberry Pi Pico and CR1220 battery not included

What's On Board

Pico RTC Features
  • 1) DS3231
    • High-precision RTC chip, I2C bus
  • 2) RTC backup battery
    • Supports CR1220 button cell
  • 3) Power indicator
    • Enabled by soldering a 0Ω resistor on the jumper, disabled by default
  • 4) Raspberry Pi Pico header
    • For attaching to Raspberry Pi Pico, stackable design

Resources

Package Contents

  • 1x Pico RTC Module

Raspberry Pi Pico and CR1220 battery not included

Pinout

Pico RTC Pinout

Specifications

Operating Voltage 3.3V
Battery Backup Voltage 2.3V ~ 5.5V
Operating Temperature -40°C ~ +85°C
Power Consumption 100nA (sustains data and clock information)

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