{"product_id":"ds1307-real-time-clock-module","title":"DS1307 Real Time Clock Module","description":"\u003cmeta name=\"description\" content=\"Buy DS1307 Real Time Clock Module online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\u003ch1\u003eDS1307 Real Time Clock (RTC) Module\u003c\/h1\u003e\n\u003cp\u003eKeep accurate time in every project with the DS1307 RTC Module from The Tech Depot, Bengaluru. This reliable, battery-backed real-time clock module maintains precise time and date even during power outages, making it essential for data logging, alarm systems, attendance trackers, and any application requiring persistent timekeeping. Communicates effortlessly with Arduino, Raspberry Pi, and other microcontrollers via the I2C interface. Fast shipping across India with full technical support and a 7-day warranty on manufacturing defects.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eIC Chip\u003c\/td\u003e\n\u003ctd\u003eDS1307 (Maxim\/Dallas Semiconductor)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eI2C (TWI) - SDA \u0026amp; SCL lines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Backup\u003c\/td\u003e\n\u003ctd\u003eCR2032 coin cell (included or slot provided)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTimekeeping Accuracy\u003c\/td\u003e\n\u003ctd\u003e+\/-2 ppm typical with 32.768 kHz crystal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTracks\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\u003eHour 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\u003eOn-board Memory\u003c\/td\u003e\n\u003ctd\u003e56 bytes battery-backed NV SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSquare Wave Output\u003c\/td\u003e\n\u003ctd\u003eProgrammable - 1 Hz, 4.096 kHz, 8.192 kHz, or 32.768 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Dimensions\u003c\/td\u003e\n\u003ctd\u003e~27 mm x 28 mm x 8.4 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeader Pins\u003c\/td\u003e\n\u003ctd\u003eVCC, GND, SDA, SCL, SQW (active-low square wave \/ interrupt output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn-board Features\u003c\/td\u003e\n\u003ctd\u003e32.768 kHz crystal, pull-up resistors for I2C, battery holder, power LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eArduino (Uno, Mega, Nano, etc.), Raspberry Pi, ESP32, ESP8266, STM32, PIC, and other I2C-capable MCUs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePopular Libraries\u003c\/td\u003e\n\u003ctd\u003eRTClib (Adafruit), DS1307RTC, Wire.h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 degreesC to +70 degreesC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eTimekeeping \/ Clock Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal \/ Authentic DS1307 IC\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\u003eWhy Choose the DS1307 RTC Module?\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery-backed timekeeping:\u003c\/strong\u003e Maintains accurate date and time even when main power is disconnected, thanks to the onboard CR2032 coin cell.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple I2C interface:\u003c\/strong\u003e Only two data lines (SDA, SCL) needed - saves precious GPIO pins and simplifies wiring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play with Arduino:\u003c\/strong\u003e Extensive library support (RTClib, DS1307RTC) means you can read time in just a few lines of code.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e56 bytes of NV SRAM:\u003c\/strong\u003e Store small amounts of user data (settings, calibration values) that persist through power cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProgrammable square wave output:\u003c\/strong\u003e Use the SQW pin for precise timing interrupts or as a clock source for other circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact and breadboard-friendly:\u003c\/strong\u003e Standard 2.54 mm header pins fit directly into breadboards and prototyping setups.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% authentic components:\u003c\/strong\u003e Genuine DS1307 IC sourced from trusted, authorized distributors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFast 1-5 day shipping, 7-8 day delivery:\u003c\/strong\u003e Ships from our Bengaluru warehouse; same-day delivery available within Bengaluru.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eExpert technical support:\u003c\/strong\u003e Our engineering team helps you with wiring, code, and troubleshooting - included free.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003ePin Configuration \u0026amp; Wiring Guide\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\u003ctd\u003e\u003cstrong\u003eFunction\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\u003ctd\u003ePower supply (5V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGND\u003c\/td\u003e\n\u003ctd\u003eGround\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSDA\u003c\/td\u003e\n\u003ctd\u003eA4\u003c\/td\u003e\n\u003ctd\u003eI2C Data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSCL\u003c\/td\u003e\n\u003ctd\u003eA5\u003c\/td\u003e\n\u003ctd\u003eI2C Clock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSQW\u003c\/td\u003e\n\u003ctd\u003eAny digital pin (optional)\u003c\/td\u003e\n\u003ctd\u003eSquare wave \/ interrupt output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eQuick-Start Arduino Code\u003c\/h2\u003e\n\u003cpre\u003e\n#include \u0026lt;Wire.h\u0026gt;\n#include \u0026lt;RTClib.h\u0026gt;\n\nRTC_DS1307 rtc;\n\nvoid setup() {\n Serial.begin(9600);\n Wire.begin();\n\n if (!rtc.begin()) {\n\u003cp\u003eSerial.println(\"Couldn't find RTC!\");\u003c\/p\u003e\n while (1\u003c\/pre\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 Real Time Clock Module Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eDS1307 Real Time Clock Module\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\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 Real Time Clock 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 Real Time Clock Module\u003c\/strong\u003e at the best price in India? The Tech Depot 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":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48746546233601,"sku":"TTD-17592","price":49.82,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/6aa46a6635059c8ced9ffa6d71dea4f2.jpg?v=1778107290","url":"https:\/\/techdepot.in\/products\/ds1307-real-time-clock-module","provider":"Tech Depot India","version":"1.0","type":"link"}