Getting Started with Electronic Projects电子书

Getting Started with Electronic Projects

Table of Contents

Getting Started with Electronic Projects

Credits

About the Author

About the Reviewers

www.PacktPub.com

Support files, eBooks, discount offers, and more

Why subscribe?

Free access for Packt account holders

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Downloading the color images of this book

Errata

Piracy

Questions

1. Introduction – Our First Project

Basic tools

Flashlight – step 1

Flashlight – step 2

Headlamp – step 1

Summary

2. Infrared Beacon

What is a 555 timer and how does it work?

Our 555 timer circuit

Assembling our flasher PCB

Building and assembling the case

Going further

Summary

3. Motion Alarm

How a 555 timer works in monostable mode

How our alarm works

Assembling the case

Assembling the PCB

Testing the alarm

Going further

Summary

4. Sound Card-based Oscilloscope

The output section

The input section

The PCB assembly

Software

Sound card oscilloscope program

The Zelscope software

Visual Analyzer

The ZRLC meter

ZRLC hardware

Making ZRLC measurements

Using the sweep generator to measure frequency response

Peak detector hardware

Example test setup

Summary

5. Calibrated RF Source

Assembling the PCB

Going further

Programmable attenuator

BeagleBone I/O pins

Control software

Summary

6. RF Power Meter – Hardware

Making power measurements

Testing and calibration

Making actual measurements

Summary

7. RF Power Meter – Software

Suggested hardware setup

Part 1 – installing and configuring the OS

Setting up PuTTY

Setting up root access

Expanding the filesystem

Installing the Ubuntu desktop

Part 2 – Installing the additional software and dependencies

Installing the Device Tree Compiler

Installing Derek Molloy's Device Tree Source (Optional)

Installing Node.js

Setting up external storage

Installing BoneScript

Installing Cloud9

Installing socket.io

Modifying the profiles in root and Debian

Using the RF power meter software

Part A – JavaScript

Part B – HTML code

Summary

8. Creating a ZigBee Network of Sensors

Part 1 – setting up the ZigBee modules

Part 2A – the network hardware

Part 2B – the alarm system hardware

The zone monitor PCB

Isolated output PCB

Connecting devices to the board

Part 3 – building the actual network (software)

Step 1 – installing Oracle's JDK on BeagleBone Black

Step 2 – installing the Java serial port extension package

Step 3 – enabling serial ports on startup

Testing the hardware

Going further

Summary

Index