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New Reduced price! DS1307 Real Time Clock breakout board kit View larger

DS1307 Real Time Clock breakout board kit

This 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. Adafruit 264

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ID: 203756

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Description

ATTENTION! This product not includes a battery! We recommend you purchase a coin cell battery CR1220 to use with this product: CR1220 MAXELL

This 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 DS1307 is the most popular RTC, and works best with 5V-based chips such as the Arduino.

  • All parts including PCB and header
  • Quick to assemble and use
  • Plugs into any breadboard, or you can use wires
  • We have example code and library for Arduino with a walkthrough on our documentation page
  • Two mounting holes
  • Will keep time for 5 years or more

This breakout board is a kit and requires some light soldering which should only take about 15 minutes. The 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.

Features

  • Length: 24.21mm/0.95in
  • Width: 30.44mm/1.2in
  • Height: 5mm/0.2in
  • Weight: 4g/0.14oz
  • Mounting holes are 3.3mm(0.13in) diameter, 30mm(1.1in) apart
  • This board/chip uses I2C 7-bit address 0x68

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