Skip to product information
ARDUINO
contain
DS3234 RTC Breakout
contain
contain
  • DS3234 RTC Breakout
  • DS3234 RTC Breakout
  • DS3234 RTC Breakout
DS3234 RTC Breakout
SKU: 333358
€19,95
59 items available

Add-Ons

24/7 lifetime customer and technical support

2-year Warranty -no questions asked

Comprehensive Documentation

Open-source everything

Description

Achieve highly accurate and reliable timekeeping in your projects with the DS3234 RTC (Real time clock) breakout. This module uses a temperature-compensated crystal oscillator (TCXO) with an integrated crystal, delivering exceptional long-term stability and accuracy compared to standard microcontroller clocks. It’s ideal for applications such as data logging, automation, industrial control, and other time-critical embedded systems.

The breakout communicates over a 4-wire SPI interface, making it a great choice for projects where I²C is unavailable or already in use. It tracks seconds, minutes, hours, day, date, month, and year with automatic leap-year compensation up to 2099. All DS3234 pins are broken out and the board is fully breadboard compatible, ensuring easy integration into both prototypes and finished designs.

A built-in CR2032 battery holder (battery not included) keeps time running even during power loss, while 256 bytes of battery-backed SRAM allow you to store critical data persistently. Additional features such as two programmable alarms, square-wave and 32.768 kHz outputs, and an integrated temperature sensor make this breakout a versatile and dependable solution for precise timekeeping projects.
Complimentary technical support

In case you ever get stuck with using this product, you can count on us. We provide free, no-strings-attached technical support with this product. Just reach out to us with your questions, and we'll be there to help you.
Open-source

Open-source culture is rooted deep inside us, and that’s reflected in our products. This product follows the open-source principle. It was made with the community’s suggestions and needs in mind. With a modular design, it can be modified to your needs and incorporated into your projects. We provide all the design documentation needed free of charge on our Github repository.
Qwiic

Our Qwiic ecosystem provides plug‑and‑play connectors for solderless connections, enabling you to add sensors and modules without wiring errors. Get up and running in seconds, whether you’re a beginner or a professional. Full documentation is available on our Qwiic page so you can explore all features and supported modules.
Made in EU

Soldered products, designed and manufactured in Croatia, are thoroughly tested and meet the highest EU standards of quality and safety.

Technical Specifications

  • DS3234 high-precision SPI real-time clock with integrated TCXO
  • Accuracy up to ±2 ppm (0°C to +40°C) and ±3.5 ppm (-40°C to +85°C)
  • 4-wire SPI interface (supports SPI modes 1 and 3)
  • Tracks time and date with automatic leap-year compensation (up to 2099)
  • CR2032 battery backup for uninterrupted timekeeping
  • 256 bytes of battery-backed SRAM for persistent data storage
  • Two programmable time-of-day alarms
  • Programmable square-wave output and dedicated 32.768 kHz output
  • Integrated digital temperature sensor for oscillator compensation
  • Wide operating voltage range: 2.0 V to 5.5 V
  • All pins broken out, breadboard-compatible layout
  • Open-source hardware design, made in EU
  • Full technical support

Resources & Documentation

DEVELOPMENT & RESOURCES
PRODUCT DATASHEET
LIBRARIES
ARDUINO LIBRARY MICROPYTHON LIBRARY

Reviews

Related products

build with this product