{"product_id":"ds1307-at24c32-rtc-module","title":"DS1307 AT24C32 RTC module","description":"\u003cmeta name=\"description\" content=\"Buy DS1307 AT24C32 RTC module online in India at best price from The Engineer Store, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eDS1307 AT24C32 RTC Module - Real-Time Clock with EEPROM for Arduino \u0026amp; Microcontrollers\u003c\/h1\u003e\n\n\u003cp\u003eKeep your projects perfectly on time with the DS1307 AT24C32 RTC Module from The Engineer Store, Bengaluru. This compact, reliable real-time clock module combines the DS1307 RTC chip with an AT24C32 32Kbit EEPROM, giving you accurate timekeeping and onboard non-volatile data storage over the I2C interface. Ideal for data loggers, alarm systems, attendance trackers, and any application requiring persistent date\/time tracking - even during power outages thanks to its CR2032 battery backup. Fast shipping across India with expert technical support included.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTC Chip\u003c\/td\u003e\n\u003ctd\u003eDS1307 (I2C Real-Time Clock)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEEPROM\u003c\/td\u003e\n\u003ctd\u003eAT24C32 - 32Kbit (4KB) Non-Volatile Memory\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eI2C (TWI) Interface - SDA \u0026amp; SCL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V - 5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTimekeeping\u003c\/td\u003e\n\u003ctd\u003eSeconds, Minutes, Hours, Day, Date, Month, Year (with leap-year compensation up to 2100)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Format\u003c\/td\u003e\n\u003ctd\u003e12-hour (AM\/PM) or 24-hour selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Backup\u003c\/td\u003e\n\u003ctd\u003eCR2032 coin cell socket (battery may or may not be included)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOscillator\u003c\/td\u003e\n\u003ctd\u003e32.768 kHz crystal (onboard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSquare Wave Output\u003c\/td\u003e\n\u003ctd\u003eProgrammable - 1Hz, 4.096kHz, 8.192kHz, or 32.768kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI2C Address (RTC)\u003c\/td\u003e\n\u003ctd\u003e0x68 (fixed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI2C Address (EEPROM)\u003c\/td\u003e\n\u003ctd\u003e0x50 - 0x57 (configurable via A0, A1, A2 pads)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 28mm x 27mm x 8.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003e4 mounting holes for secure installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Header\u003c\/td\u003e\n\u003ctd\u003eSDA, SCL, VCC, GND, SQ (square wave output), DS (optional DS18B20 temperature sensor header)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArduino, ESP8266, ESP32, Raspberry Pi, STM32, PIC, and all I2C-capable microcontrollers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eClock \/ Timing Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7-day warranty on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003eEmail \u0026amp; WhatsApp 24\/7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccurate Timekeeping:\u003c\/strong\u003e DS1307 maintains seconds, minutes, hours, day, date, month, and year with automatic leap-year correction through 2100.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Backup:\u003c\/strong\u003e CR2032 coin cell keeps the clock running for years even when main power is disconnected - no time resets on power cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e32Kbit EEPROM Onboard:\u003c\/strong\u003e AT24C32 provides 4KB of non-volatile storage for logging data, storing calibration values, or saving configuration settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple I2C Interface:\u003c\/strong\u003e Only two data lines (SDA \u0026amp; SCL) needed - easily connect multiple I2C devices on the same bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Works seamlessly with both 3.3V and 5V logic-level microcontrollers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable Square Wave Output:\u003c\/strong\u003e Generate precise clock signals at 1Hz, 4.096kHz, 8.192kHz, or 32.768kHz for timing applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptional Temperature Sensor Header:\u003c\/strong\u003e Dedicated DS pin for adding a DS18B20 temperature sensor directly on the module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Mountable:\u003c\/strong\u003e Small form factor with four mounting holes for easy integration into enclosures and project boards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExtensive Library Support:\u003c\/strong\u003e Compatible with popular Arduino libraries like RTClib, DS1307RTC, and Wire - get running in minutes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhy Choose This RTC Module?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e100% authentic DS1307 and AT24C32 ICs sourced from trusted suppliers\u003c\/li\u003e\n\u003cli\u003eDual functionality - real-time clock plus EEPROM storage on a single compact board\u003c\/li\u003e\n\u003cli\u003ePlug-and-play with Arduino IDE using widely available libraries and example code\u003c\/li\u003e\n\u003cli\u003e1-5 day shipping, 7-8 day delivery from our Bengaluru warehouse to most locations across India\u003c\/li\u003e\n\u003cli\u003eExpert technical support to help you with wiring, code, and troubleshooting\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWiring Guide (Arduino UNO)\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModule Pin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eArduino UNO Pin\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVCC\u003c\/td\u003e\n\u003ctd\u003e5V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDA\u003c\/td\u003e\n\u003ctd\u003eA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eProducts ship within 1-5 days from our Bengaluru warehouse. Delivery within 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs technical support available?\u003c\/summary\u003e\n\u003cp\u003eYes, 24\/7 support via email and WhatsApp for setup, troubleshooting, and application guidance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return policy?\u003c\/summary\u003e\n\u003cp\u003e7-day returns on manufacturing defects only. Full refund or replacement. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing on orders of 10+ units. Contact us via WhatsApp or email for a custom quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003ch2\u003eBuy DS1307 AT24C32 RTC module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eDS1307 AT24C32 RTC module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/theengineerstore.in\"\u003eThe Engineer Store\u003c\/a\u003e - India's most trusted electronics components store. We deliver across all major cities including Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eDS1307 AT24C32 RTC module\u003c\/strong\u003e with fast 1-5 day shipping from our Bengaluru warehouse. All products are 100% authentic, sourced from authorized distributors with 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\u003cp\u003eLooking to buy \u003cstrong\u003eDS1307 AT24C32 RTC module\u003c\/strong\u003e at the best price in India? The Engineer Store offers competitive pricing, bulk discounts for orders of 10+ units, and dedicated technical support via email and WhatsApp. Whether you are a hobbyist, student, or professional engineer, we have everything you need for your electronics projects.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":43720259371171,"sku":"TES-EV2224","price":116.6,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/4479\/7091\/products\/1679381756899-0a0b3c00f0c64fc2-C5093F7C211326E98E0D4BD7F2F8C490.jpg?v=1699528369","url":"https:\/\/www.theengineerstore.in\/or\/products\/ds1307-at24c32-rtc-module","provider":"The Engineer Store","version":"1.0","type":"link"}