{"product_id":"adafruit-ds1307-real-time-clock-assembled-breakout-board","title":"Adafruit DS1307 Real Time Clock Assembled Breakout Board","description":"\u003cp\u003eThis is a great battery-backed real time clock (RTC) that allows your microcontroller project to keep track of time even if it is reprogrammed, or if the power is lost. Perfect for datalogging, clock-building, time stamping, timers and alarms, etc. The \u003cstrong\u003eDS1307\u003c\/strong\u003e is the most popular RTC - but it \u003cem\u003erequires\u003c\/em\u003e 5V power to work (although we've used it with 5V power and 3.3V logic successfully)\u003c\/p\u003e\u003cp\u003eWorks great with an Arduino using our RTC library or with a Raspberry Pi (or similar single board linux computer)\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePCB \u0026amp; header are included\u003c\/li\u003e\n\u003cli\u003ePlugs into any breadboard, or you can use wires\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes\u003c\/li\u003e\n\u003cli\u003eWill keep time for 5 years or more\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote: This product does not come with a CR1220 coin cell battery. We recommend you purchase a coin cell battery to use with this product.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe DS1307 is simple and inexpensive but not a high precision device. It may lose or gain up to 2 seconds a day. For a high-precision, temperature compensated alternative, please check out the DS3231 precision RTC. If you do not need a DS1307, or you need a 3.3V-power\/logic capable RTC please check out our affordable PCF8523 RTC breakout\u003c\/p\u003e\u003cp\u003eCheck out our detailed guide for wiring diagrams, schematics, fritzing objects, library code and more!\u003c\/p\u003e\u003cp\u003e\u003c\/p\u003e\u003cp\u003e \u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cdiv id=\"tab-technical-details-content\" class=\"panel-collapse collapse in\"\u003e \u003cdiv class=\"row\"\u003e \u003cdiv class=\"col-lg-12 col-md-12 col-sm-12 col-xs-12\"\u003e\n\u003cp\u003eDimensions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLength: 25.8mm\/1.02in\u003c\/li\u003e\n\u003cli\u003eWidth: 21.7mm\/0.85in\u003c\/li\u003e\n\u003cli\u003eHeight: 5mm\/0.2in\u003c\/li\u003e\n\u003cli\u003eWeight: 2.3g\/0.09oz\u003c\/li\u003e\n\u003cli\u003eMounting holes are 2.2mm(0.086in) diameter, 25mm(0.98in) apart\u003c\/li\u003e\n\u003cli\u003eThis board\/chip uses I2C 7-bit address 0x68\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e \u003c\/div\u003e\n\u003cul id=\"product-files\"\u003e \u003c\/ul\u003e \u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"col-lg-2 col-md-3 col-sm-3 col-xs-4\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e \u003c\/div\u003e","brand":"Adafruit","offers":[{"title":"Default Title","offer_id":48623681962202,"sku":"lpn1789675652643","price":6.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0824\/8318\/3834\/files\/adafruit-ds1307-real-time-clock-assembled-breakout-board_1.jpg?v=1789675657","url":"https:\/\/memoryfoamwear.shop\/products\/adafruit-ds1307-real-time-clock-assembled-breakout-board","provider":"My Store","version":"1.0","type":"link"}