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Mastering the Raspberry Pi
book

Mastering the Raspberry Pi

by Warren W. Gay
August 2014
Beginner content levelBeginner
504 pages
11h 2m
English
Apress
Content preview from Mastering the Raspberry Pi

CHAPTER 25

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Real-Time Clock

The Dallas Semiconductor DS1307 Real-Time Clock is the perfect project for the Raspberry Pi, Model A. Lacking a network port, the Model A cannot determine the current date and time when it boots up. A 3 V battery attached to the DS1307 will keep its internal clock running for up to 10 years, even when the Pi is powered off. If you have a Model B, don’t feel left out. There is no reason that you can’t try this project too; a Model B not connected to a network could use the DS1307.

DS1307 Overview

The pinout of the DS1307 chip is provided in Figure 25-1. The chip is available in PDIP-8 form or in SO format (150 mils). ...

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Publisher Resources

ISBN: 9781484201817Purchase book