{"product_id":"ds3234-rtc-breakout","title":"DS3234 RTC Breakout","description":"\u003cp\u003e\u003cstrong\u003eThe DS3234 RTC Breakout provides highly accurate, battery-backed real-time clock functionality over SPI, making it ideal for data logging, automation, scheduling, and other time-critical embedded projects.\u003c\/strong\u003e\u003c\/p\u003e \u003chr\u003e \u003cp\u003eAchieve highly accurate and reliable timekeeping in your projects with the \u003cstrong\u003eDS3234 RTC\u003c\/strong\u003e (Real time clock) breakout. This module uses a temperature-compensated crystal oscillator (\u003cstrong\u003eTCXO\u003c\/strong\u003e) 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.\u003c\/p\u003e \u003cp\u003eThe breakout communicates over a \u003cstrong\u003e4-wire SPI\u003c\/strong\u003e \u003cstrong\u003einterface\u003c\/strong\u003e, making it a great choice for projects where \u003cstrong\u003eI²C\u003c\/strong\u003e is unavailable or already in use. It tracks \u003cstrong\u003eseconds, minutes, hours, day, date, month, and year\u003c\/strong\u003e with automatic leap-year compensation up to 2099. All DS3234 pins are broken out and the board is fully \u003ca href=\"\/collections\/solderless-breadboards\" title=\"breadboard\"\u003ebreadboard\u003c\/a\u003e compatible, ensuring easy integration into both prototypes and finished designs.\u003c\/p\u003e \u003cp\u003eA built-in \u003ca href=\"\/products\/cr2032-lithium-coin-cell-battery\" title=\"CR2032 3V Lithium Coin Cell Battery\"\u003eCR2032\u003c\/a\u003e battery holder (\u003cstrong\u003ebattery not included\u003c\/strong\u003e) keeps time running even during power loss, while \u003cstrong\u003e256\u003c\/strong\u003e \u003cstrong\u003ebytes\u003c\/strong\u003e of battery-backed SRAM allow you to store critical data persistently. Additional features such as two programmable alarms, square-wave and \u003cstrong\u003e32.768 kHz\u003c\/strong\u003e outputs, and an integrated temperature sensor make this breakout a versatile and dependable solution for precise timekeeping projects.\u003c\/p\u003e \u003cp\u003e\u003ca href=\"\/collections\/soldered-electronics\" title=\"Soldered Electronics Products\"\u003eView our full range of Soldered Electronics products here.\u003c\/a\u003e\u003c\/p\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e \u003cul\u003e\u003c\/ul\u003e \u003cul\u003e \u003cli\u003eDS3234 high-precision SPI real-time clock with integrated TCXO\u003c\/li\u003e \u003cli\u003eAccuracy up to ±2 ppm (0°C to +40°C) and ±3.5 ppm (-40°C to +85°C)\u003c\/li\u003e \u003cli\u003e4-wire SPI interface (supports SPI modes 1 and 3)\u003c\/li\u003e \u003cli\u003eTracks time and date with automatic leap-year compensation (up to 2099)\u003c\/li\u003e \u003cli\u003eCR2032 battery backup for uninterrupted timekeeping\u003c\/li\u003e \u003cli\u003e256 bytes of battery-backed SRAM for persistent data storage\u003c\/li\u003e \u003cli\u003eTwo programmable time-of-day alarms\u003c\/li\u003e \u003cli\u003eProgrammable square-wave output and dedicated 32.768 kHz output\u003c\/li\u003e \u003cli\u003eIntegrated digital temperature sensor for oscillator compensation\u003c\/li\u003e \u003cli\u003eWide operating voltage range: 2.0 V to 5.5 V\u003c\/li\u003e \u003cli\u003eAll pins broken out, breadboard-compatible layout\u003c\/li\u003e \u003cli\u003eOpen-source hardware design, made in EU\u003c\/li\u003e \u003cli\u003eFull technical support\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003eResources\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e\u003ca href=\"https:\/\/github.com\/SolderedElectronics\/Soldered-DS3234-RTC-Arduino-Library\" target=\"_blank\" rel=\"noopener\" title=\"Arduino library\"\u003eArduino library\u003c\/a\u003e\u003c\/li\u003e \u003cli\u003e\u003ca href=\"https:\/\/cms.soldered.com\/products\/333358\/media\/333358_pinout-png_34f133.svg\" target=\"_blank\" rel=\"noopener\" title=\"Pinout drawing\"\u003ePinout drawing\u003c\/a\u003e\u003c\/li\u003e \u003c\/ul\u003e \u003ch2\u003ePackage Contents\u003c\/h2\u003e \u003cul\u003e \u003cli\u003e1x DS3234 RTC Breakout\u003c\/li\u003e \u003cli\u003e1x Header strip\u003c\/li\u003e \u003c\/ul\u003e","brand":"Soldered Electronics","offers":[{"title":"Default Title","offer_id":56083602604417,"sku":"SOL-333358","price":20.3,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0176\/3274\/files\/ds3234-rtc-breakout-soldered-electronics-sol-333358-1253867932.jpg?v=1786467011","url":"https:\/\/thepihut.com\/products\/ds3234-rtc-breakout","provider":"The Pi Hut","version":"1.0","type":"link"}