--- product_id: 407354252 title: "Waveshare Precision RTC Module for Raspberry Pi Pico Mini Board, Incorporates High Precision Real-Time Clock Chip DS3231, Uses I2C Bus for Communication, with Female Pin Header Stackable Design" brand: "waveshare" price: "C$8390" currency: NIO in_stock: true category: "Waveshare" url: https://www.desertcart.ni/products/407354252-waveshare-precision-rtc-module-for-raspberry-pi-pico-mini-board store_origin: NI region: Nicaragua --- # I2C bus communication Stackable female pin header design DS3231 high precision RTC chip Waveshare Precision RTC Module for Raspberry Pi Pico Mini Board, Incorporates High Precision Real-Time Clock Chip DS3231, Uses I2C Bus for Communication, with Female Pin Header Stackable Design **Brand:** waveshare **Price:** C$8390 **Availability:** ✅ In Stock ## Summary > ⏳ Never miss a beat with precision timing that keeps your Raspberry Pi Pico ahead of the curve! ## Quick Answers - **What is this?** Waveshare Precision RTC Module for Raspberry Pi Pico Mini Board, Incorporates High Precision Real-Time Clock Chip DS3231, Uses I2C Bus for Communication, with Female Pin Header Stackable Design by waveshare - **How much does it cost?** C$8390 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/407354252-waveshare-precision-rtc-module-for-raspberry-pi-pico-mini-board) ## Best For - waveshare enthusiasts ## Why This Product - Trusted waveshare brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Dual Programmable Alarms:** Set two independent alarms to automate tasks or reminders, boosting your project’s smart capabilities. - • **Modular Stackable Design:** Expand your project’s sensor ecosystem with the stackable female pin header—more connections, zero clutter. - • **Seamless I2C Integration:** Effortlessly connect via I2C bus for reliable, low-latency communication with your Raspberry Pi Pico. - • **Plug & Play Developer Support:** Includes comprehensive C/C++ and MicroPython examples to accelerate your prototyping and deployment. - • **Pinpoint Timekeeping Precision:** Leverage the DS3231 chip for ultra-accurate real-time clock data, with leap-year compensation valid through 2100. ## Overview The Waveshare Precision RTC Module for Raspberry Pi Pico features the ultra-accurate DS3231 real-time clock chip with leap-year compensation up to 2100, communicates via I2C bus, and offers a stackable female pin header design for easy expansion. It supports dual programmable alarms and comes with ready-to-use development resources, making it the perfect timekeeping upgrade for professional-grade Raspberry Pi Pico projects. ## Description Overview The Pico-RTC-DS3231 is a RTC expansion module specialized for Raspberry Pi Pico. It incorporates high precision RTC chip DS3231 and uses I2C bus for communication. More external sensors are allowed to be connected thanks to the stackable design. Features 1. Clock chip: high precision RTC chip DS3231 2. Operating voltage: 3.3V 3. Backup battery voltage: 2.3V ~ 5.5V 4. Operating temperature: -40°C ~ +85°C 5. Power consumption: 100nA (sustains data and clock information) 6. 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 7. Optional format : 24-hour OR 12-hour with an AM/PM indicator 8. 2x programable alarm clock 9. I2C bus interface 10. Dimension: 52mm* 21mm 11. Weight: 23g Development Resources https://www.waveshare.com/wiki/Pico-RTC-DS3231?desertcart Package Content 1 x Pico-RTC-DS3231 ## Features - RTC expansion module specialized for Raspberry Pi Pico, standard Raspberry Pi Pico header, supports Raspberry Pi Pico series - It incorporates high precision RTC chip DS3231 and uses I2C bus for communication, with backup battery holder - Onboard female pin header for direct attaching to Raspberry Pi Pico,Stackable design, More external sensors are allowed to be connected thanks to the stackable design - 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. Comes with development resources and manual (Raspberry Pi Pico C/C++ and MicroPython examples) ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0915KRWNZ | | Brand | Waveshare | | Connectivity Technology | I2C | | Connectivity technology | I2C | | Customer Reviews | 5.0 out of 5 stars 1 Review | | Manufacturer | waveshare | | Operating System | Raspberry Pi OS | | Operating system | Raspberry Pi OS | | Processor Count | 1 | | Processor count | 1 | | UPC | 755291677263 | | Wireless Compability | Infrared | | Wireless communication standard | Infrared | ## Images ![Waveshare Precision RTC Module for Raspberry Pi Pico Mini Board, Incorporates High Precision Real-Time Clock Chip DS3231, Uses I2C Bus for Communication, with Female Pin Header Stackable Design - Image 1](https://m.media-amazon.com/images/I/71HuuDjMGwL.jpg) ![Waveshare Precision RTC Module for Raspberry Pi Pico Mini Board, Incorporates High Precision Real-Time Clock Chip DS3231, Uses I2C Bus for Communication, with Female Pin Header Stackable Design - Image 2](https://m.media-amazon.com/images/I/61Ch-dfBhYL.jpg) ![Waveshare Precision RTC Module for Raspberry Pi Pico Mini Board, Incorporates High Precision Real-Time Clock Chip DS3231, Uses I2C Bus for Communication, with Female Pin Header Stackable Design - Image 3](https://m.media-amazon.com/images/I/71r6z9rp+hL.jpg) ![Waveshare Precision RTC Module for Raspberry Pi Pico Mini Board, Incorporates High Precision Real-Time Clock Chip DS3231, Uses I2C Bus for Communication, with Female Pin Header Stackable Design - Image 4](https://m.media-amazon.com/images/I/61zJadjbs3L.jpg) ![Waveshare Precision RTC Module for Raspberry Pi Pico Mini Board, Incorporates High Precision Real-Time Clock Chip DS3231, Uses I2C Bus for Communication, with Female Pin Header Stackable Design - Image 5](https://m.media-amazon.com/images/I/61x4404VtYL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.ni/products/407354252-waveshare-precision-rtc-module-for-raspberry-pi-pico-mini-board](https://www.desertcart.ni/products/407354252-waveshare-precision-rtc-module-for-raspberry-pi-pico-mini-board) --- *Product available on Desertcart Nicaragua* *Store origin: NI* *Last updated: 2026-07-04*