{"product_id":"ds3231-at24c32-high-precision-real-time-clock-module","title":"DS3231 AT24C32 High Precision Real-Time Clock Module","description":"\u003ch1\u003eDS3231 AT24C32 High Precision Real-Time Clock Module\u003c\/h1\u003e\n\u003ch2\u003eDS3231 AT24C32 High Precision Real-Time Clock\u003c\/h2\u003e\n\u003cp\u003eHigh‑precision I²C real‑time clock module based on the DS3231 with onboard AT24C32 EEPROM and battery backup, perfect for timekeeping in Arduino, ESP32, and Raspberry Pi projects.\u003c\/p\u003e\n\u003ch2\u003eLong‑Range IR Obstacle Avoidance Sensor Compatibility\u003c\/h2\u003e\n\u003cp\u003eWorks with Arduino boards (Uno, Nano, Mega and similar) over the I²C bus using the SDA and SCL pins. Fully compatible with ESP32, ESP32‑S3, and ESP32‑C3 boards at 3.3 V I²C logic. Works with Raspberry Pi boards via the I²C interface when powered from 3.3 V.\u003cbr\u003eCan be used with most 3.3 V or 5 V microcontrollers that support I²C, including many STM32 and other MCU families.\u003c\/p\u003e\n\u003ch2\u003eKey Features \u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cp\u003eHigh‑precision DS3231 real‑time clock chip with integrated temperature compensation\u003c\/p\u003e\n\u003cp\u003eAT24C32 32‑Kbit EEPROM for additional non‑volatile storage on the same module\u003c\/p\u003e\n\u003cp\u003eI²C interface (SDA, SCL) compatible with 3.3 V and 5 V microcontrollers\u003c\/p\u003e\n\u003cp\u003eBattery‑backed RTC keeps time during power loss (coin cell holder on board)\u003c\/p\u003e\n\u003cp\u003eProvides seconds, minutes, hours, day, date, month, and year with leap‑year compensation\u003c\/p\u003e\n\u003cp\u003eOnboard pull‑up resistors and header pins for easy breadboard or jumper‑wire connections\u003c\/p\u003e\n\u003cp\u003eIdeal for data logging, clocks, scheduling, and automation projects\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eTechnical Specs\u003c\/h2\u003e\n\u003cp\u003eRTC IC: DS3231 (temperature‑compensated RTC)\u003c\/p\u003e\n\u003cp\u003eEEPROM IC: AT24C32 (32‑Kbit I²C EEPROM)\u003c\/p\u003e\n\u003cp\u003eInterface: I²C (SDA, SCL)\u003c\/p\u003e\n\u003cp\u003eOperating Voltage: typically 3.3 V–5 V\u003c\/p\u003e\n\u003cp\u003eTime Format: 24‑hour or 12‑hour with AM\/PM\u003c\/p\u003e\n\u003cp\u003eCalendar: Full calendar with automatic leap‑year correction\u003c\/p\u003e\n\u003cp\u003eBackup Battery: Coin‑cell holder (battery policy can be specified in the listing)\u003c\/p\u003e\n\u003cp\u003eForm Factor: Small PCB with pin headers suitable for breadboards\u003c\/p\u003e\n\u003ch2\u003eIdeal Uses\u003c\/h2\u003e\n\u003cp\u003eData logging projects that need accurate timestamps even when the device is powered off.\u003c\/p\u003e\n\u003cp\u003eDIY clocks, alarms, and time‑based automation (lights, relays, scheduling systems).\u003c\/p\u003e\n\u003cp\u003eIoT devices that spend long periods offline and cannot rely on network time.\u003c\/p\u003e\n\u003cp\u003eEducational projects demonstrating I²C, timekeeping, and non‑volatile memory storage.\u003c\/p\u003e\n\u003cp\u003eAny microcontroller project that needs reliable timekeeping across resets and power cycles.\u003c\/p\u003e\n\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\n\u003cul class=\"marker:text-quiet list-disc pl-8\"\u003e\n\u003cli class=\"py-0 my-0 prose-p:pt-0 prose-p:mb-2 prose-p:my-0 [\u0026amp;\u0026gt;p]:pt-0 [\u0026amp;\u0026gt;p]:mb-2 [\u0026amp;\u0026gt;p]:my-0\"\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:block [\u0026amp;_strong:has(+br)]:pb-2 [\u0026amp;_strong:has(+br)+br]:hidden\"\u003e1 × DS3231 AT24C32 High Precision Clock Module\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSafety Note\u003c\/h2\u003e\n\u003cp\u003eAlways double‑check your wiring before powering the module, especially when mixing 3.3 V and 5 V systems, to avoid damaging the RTC or your microcontroller.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eIf you include a coin cell, do not short‑circuit or expose it to heat, and keep it out of reach of children and pets due to ingestion and burn hazards.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eAvoid connecting the module’s I²C pins directly to higher‑voltage logic than it is rated for; use level shifting or power it from a compatible voltage when in doubt.\u003c\/p\u003e","brand":"sugar","offers":[{"title":"Default Title","offer_id":44818146001031,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0736\/7763\/5719\/files\/DS3231AT24C32HighPrecisionClockModuleTop.jpg?v=1780944709","url":"https:\/\/sugarstore.dev\/products\/ds3231-at24c32-high-precision-real-time-clock-module","provider":"sugar","version":"1.0","type":"link"}