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Raspberry Pi Essentials

You're reading from   Raspberry Pi Essentials Get up and running with the Raspberry Pi to develop captivating projects

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Product type Paperback
Published in Apr 2015
Publisher
ISBN-13 9781784396398
Length 212 pages
Edition 1st Edition
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Author (1):
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Jack Creasey Jack Creasey
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Jack Creasey
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Table of Contents (10) Chapters Close

Preface 1. Getting Started with Raspberry Pi 2. Configuring the Raspberry Pi Desktop and Software FREE CHAPTER 3. Raspberry Pi and Cameras 4. Raspberry Pi Audio Input and Output 5. Port Input and Output on the Raspberry Pi 6. Driving I2C Peripherals on the Raspberry Pi 7. Going Mobile with Raspberry Pi 8. Creating a Raspberry Pi Line-following Robot Index

Project 1 – Building a talking clock with a Bash script

This project will expose you to the Bash shell scripting language. You will build a talking clock that tells the time every minute using an executable and an Internet-based web service. Once the clock is up and running, you will use an automation tool called Cron to schedule and run tasks at a particular time or at regular intervals.

The talking clock will have the following features and functions:

  • Automatically start every minute and run in the background without any visible interface to the desktop user
  • Read the system time to get the local time on your Pi
  • Produce a correctly formatted time string to announce the time, for example, you might say "The time is now nine fifteen AM"
  • Convert the time string to audio and play it
  • Exit the script

Creating project files and directories

First, you will open a Terminal window to create the project files and directories, update our system, and load a new utility application:

  1. At the command...
You have been reading a chapter from
Raspberry Pi Essentials
Published in: Apr 2015
Publisher:
ISBN-13: 9781784396398
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