{"product_id":"ds3231-at24c32-precision-rtc-real-time-clock-module-i2c-w-temp-sensor-for-arduino-data-logger-raspberry-pi-esp8266-esp32","title":"DS3231 AT24C32 Precision RTC Real Time Clock Module I2C W\/ Temp Sensor for Arduino Data Logger Raspberry Pi ESP8266 ESP32","description":"\u003ch1\u003eSPECIFICATIONS\u003c\/h1\u003e\u003cp\u003e\u003cspan\u003eBrand Name\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNONE\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eChoice\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eyes\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eCondition\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eNew\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eHigh-concerned chemical\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003enone\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eOrigin\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eMainland China\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan\u003eType\u003c\/span\u003e: \u003cspan style=\"color:#333\"\u003eModule\u003c\/span\u003e\u003c\/p\u003e\u003cdiv class=\"detailmodule_html\"\u003e\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003ep{margin-block-start: 0; margin-block-end: 0}\u003c\/div\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eDS3231 Precision RTC Module: Time, Down to the Second! Built-in TCXO, ±1min\/Year Accuracy, Battery Backup \u0026amp; EEPROM. The Ultimate Timebase for Data Logging Projects.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eKey Features \u0026amp; Benefits:\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e⏱️ ±1 Minute\/Year Accuracy: Features a Temperature-Compensated Crystal Oscillator (TCXO) with ±2ppm precision, offering far superior stability than common DS1307 modules. Ideal for data loggers, weather stations, etc.\u003cbr\u003e\u003cbr\u003e🌡️ Built-in Temperature Sensor: Read ambient temperature via I2C for system compensation or environmental monitoring, eliminating the need for an extra sensor.\u003cbr\u003e\u003cbr\u003e🔋 Timekeeping Never Stops: Onboard CR2032 coin cell holder (Battery NOT Included). Automatically switches to battery backup when main power is lost, ensuring the clock runs continuously.\u003cbr\u003e\u003cbr\u003e💾 Onboard 32KB Memory: Integrated AT24C32 EEPROM provides 32KB of non-volatile storage for device settings, event logs, or other critical data.\u003cbr\u003e\u003cbr\u003e🔌 Plug \u0026amp; Play, Wide Compatibility: Standard I2C interface, compatible with 3.3V\/5V logic. Comprehensive Arduino library support. Easily works with Arduino, ESP8266\/ESP32, Raspberry Pi, and more.\u003c\/p\u003e\n\u003cp style=\"font-size:16px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eProduct Description:\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eTired of resetting the time every time your microcontroller reboots? Does inaccurate timestamping ruin your data logging projects? The DS3231 RTC module is the professional answer. It delivers atomic-clock-like precision and reliability, ensuring your IoT devices, automation systems, or scientific instruments have an independent, continuous, and accurate time source.\u003cbr\u003e\u003c\/p\u003e\n\u003cp style=\"font-size:20px;font-weight:bold;text-align:left;color:rgb(66, 66, 72)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e🚨 Critical Notes Before Purchase \u0026amp; Usage Guide\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e❌ 【Product Clarification】: This is an I2C module, NOT a standalone clock display!\u003cbr\u003eIt requires a microcontroller (like Arduino) and programming to read\/set the time. The module itself has no display and cannot show the time independently.\u003cbr\u003e\u003cbr\u003e⚠️ 【Most Common Misconceptions \u0026amp; Misuse】\u003cbr\u003e\u003cbr\u003eBattery NOT Included! A CR2032 coin cell is NOT included. It is a REQUIRED accessory for battery-backed timekeeping. You must purchase it separately.\u003cbr\u003eInitial Time Setting is MANDATORY! The module ships with no time set. You MUST run a \"set time\" sketch from your microcontroller upon first power-up for the clock to start. Otherwise, read data will be meaningless.\u003cbr\u003eI2C Address Conflict: The DS3231 has a fixed I2C address of 0x68. If you have another device at address 0x68 on the same I2C bus, a conflict will occur, preventing communication.\u003cbr\u003eBattery Polarity Warning: When installing the battery, ensure the CR2032 positive (+) side faces UP (towards the printed side). Reverse installation won't damage the module but will disable battery backup.\u003cbr\u003e✅ 【Mandatory Prerequisites \u0026amp; Skill Level】\u003cbr\u003e\u003cbr\u003eRequired Accessory: You need to provide your own CR2032 3V Coin Cell Battery for battery-backed operation.\u003cbr\u003e\u003cbr\u003eRequired Skills: Basic experience with Arduino\/microcontrollers, including I2C communication, library installation, and fundamental programming.\u003cbr\u003e\u003cbr\u003eRequired Software: You need to install the RTClib or similar DS3231-specific library in your Arduino IDE.\u003cbr\u003e\u003cbr\u003e🔧 【Safety Warnings \u0026amp; Operational Notes】\u003cbr\u003e\u003cbr\u003eESD Precautions: The module contains precision CMOS chips. Handle with appropriate ESD precautions.\u003cbr\u003e\u003cbr\u003eSoldering Care: If soldering headers, use a temperature-controlled iron and work quickly to avoid heat damage to the IC or battery holder.requisite\u003c\/p\u003e\n\u003cp style=\"font-size:20px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eSpecifications\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003eMain IC: DS3231SN (High-Accuracy TCXO Version)\u003cbr\u003e\u003cbr\u003eMemory IC: AT24C32 (32KB EEPROM)\u003cbr\u003e\u003cbr\u003eInterface: I2C (Address: 0x68)\u003cbr\u003e\u003cbr\u003eLogic Level: 3.3V \/ 5V Compatible\u003cbr\u003e\u003cbr\u003eClock Accuracy: ±2ppm (from 0°C to +40°C), approx. ±1 minute per year\u003cbr\u003e\u003cbr\u003eTemperature Sensor: Built-in, 0.25°C resolution\u003cbr\u003e\u003cbr\u003eBackup Battery: Supports CR2032 3V Lithium Cell (Battery NOT Included)\u003cbr\u003e\u003cbr\u003eTimekeeping Current: ~3μA (Typical, on battery)\u003cbr\u003e\u003cbr\u003eModule Size: Approx. 38mm x 22mm\u003cbr\u003e\u003cbr\u003ePins: Standard 2.54mm pitch headers (Unsoldered)\u003c\/p\u003e\n\u003cp style=\"font-size:20px;font-weight:bold;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003ePackage Includes\u003c\/p\u003e\n\u003cp style=\"font-size:13px;font-weight:normal;text-align:left;color:rgb(67, 70, 73)\" class=\"word-break white-space mt-10\" align=\"left\"\u003e1 x DS3231 AT24C32 Precision RTC Real Time Clock Module (PCB)\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6bd86d36558144d0a024b2732e8ca28aC.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/Seca54e69fb5f4a119d40d80ce944c854I.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S1d8ae6d3376f4a538e4ca5ad1be67b0er.jpg\" slate-data-type=\"image\"\u003e\u003cimg style=\"width:100%;height:auto\" width=\"100%\" height=\"auto\" src=\"https:\/\/ae01.alicdn.com\/kf\/S9fdad9a472be453da38845369242a699e.jpg\" slate-data-type=\"image\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003c\/div\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Yoeruyo","offers":[{"title":"1 pcs DS3231","offer_id":55502974255403,"sku":"14:1202#1 pcs DS3231","price":20.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1000\/5744\/8747\/files\/Se6b1a03751454ef0a6cdc6eda011a6dbH.webp?v=1788923415","url":"https:\/\/yoeruyo.com\/products\/ds3231-at24c32-precision-rtc-real-time-clock-module-i2c-w-temp-sensor-for-arduino-data-logger-raspberry-pi-esp8266-esp32","provider":"Yoeruyo","version":"1.0","type":"link"}