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Main image of Waveshare Precision RTC Module, Compatible with Raspberry Pi Pico, Real-Time Clock Module with DS3231 Chip, I2C Interface, Stackable Design, Dual Programmable Alarms

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Waveshare Precision RTC Module, Compatible with Raspberry Pi Pico, Real-Time Clock Module with DS3231 Chip, I2C Interface, Stackable Design, Dual Programmable Alarms

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Raspberry Pi Pico Compatibility: Standard header design supports Raspberry Pi Pico series, making it easy to integrate with the board.

Overview

Specs

Reviews

This product requires a 3V CR1220 button battery for operation, which is not included. Please purchase it separately.
Raspberry Pi Pico Compatibility: Standard header design supports Raspberry Pi Pico series, making it easy to integrate with the board.
High Precision DS3231 RTC Chip: Equipped with the DS3231 chip for accurate timekeeping, including a backup battery holder to maintain time during power loss.
Comprehensive Timekeeping Features: Tracks seconds, minutes, hours, date, day of the week, month, and year with leap-year compensation, valid up to the year 2100.
Flexible Time Format Options: Allows selection between 24-hour or 12-hour formats, with AM/PM indicator.
Rich WiKi Resources: We provide official Wiki resources, please visit our store and click the wiki page to get resources.

Additional Information
First Listed on Newegg	October 29, 2026

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

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Return Policies

Return for refund within: 15 days
Return for replacement within: 30 days
This item is covered by Superior Quality Return Policy

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Item#: 9SIB9R5M9R5374