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  • Book Overview & Buying Raspberry Pi Sensors
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Raspberry Pi Sensors

Raspberry Pi Sensors

By : Rushi Gajjar
4.4 (9)
Buy this Book
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Raspberry Pi Sensors

Raspberry Pi Sensors

4.4 (9)
By: Rushi Gajjar
Buy this Book

Overview of this book

This book is perfect for hardware enthusiasts who want to develop amazing projects using Raspberry Pi. Some knowledge and experience working with Linux, C, and Python is a plus, but once you're set up to go, you'll be ready to push the creative capabilities of your Raspberry Pi even further.
Table of Contents (10 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
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1
1. Meeting Your Buddy – the Raspberry Pi
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1. Meeting Your Buddy – the Raspberry Pi
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A glance at the Raspberry Pi board
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Setting up for the first time
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Connecting the Raspberry Pi to the Internet
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A crash course on Linux
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Installing useful libraries
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python-gpio
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Be ready with Python and C
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Practice makes you perfect
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Summary
2
2. Meeting the World of Electronics
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2. Meeting the World of Electronics
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Basic terminologies of electronics
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Communication protocols
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Useful tips and precautions
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Understanding the GPIO port
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It's time to glow LEDs!
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Summary
3
3. Measuring Distance Using Ultrasonic Sensors
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3. Measuring Distance Using Ultrasonic Sensors
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The mysterious ultrasonic sensor
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Building the project!
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Fixing common problems
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A wearable device for the visually impaired
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Summary
4
4. Monitoring the Atmosphere Using Sensors
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4. Monitoring the Atmosphere Using Sensors
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Sensor selection process
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InsideDHT – temperature and humidity sensors
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Introducing the photoresistor (photocell)
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Building the project
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Putting all the parts together
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Troubleshooting common problems
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Summary
5
5. Using an ADC to Interface any Analog Sensor with the Raspberry Pi
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5. Using an ADC to Interface any Analog Sensor with the Raspberry Pi
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Analog-to-digital convertors
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MCP3008 for analog-to-digital conversion
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Making your own sensor station
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Generic software preparation
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Using your sensor station – make a temperature logger
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Summary
6
6. Uploading Data Online – Spreadsheets, Mobile, and E-mails
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6. Uploading Data Online – Spreadsheets, Mobile, and E-mails
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Internet of Things
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Hardware setup
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Synchronizing the clock with the Internet
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Uploading data on Google spreadsheets
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Getting notified by e-mails
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Integrating everything
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Common problems faced
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Summary
7
7. Creating an Image Sensor Using a Camera and OpenCV
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7. Creating an Image Sensor Using a Camera and OpenCV
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Image processing
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OpenCV
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Camera interfacing with the RasPi
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Live streaming using a network camera
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Porting OpenCV
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Create a motion detector
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Amazing projects for you
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Summary
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A. Shopping List
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Basic requirements
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Sensors
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Integrated chips
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Components
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Others
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Index
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Index

Porting OpenCV

Porting OpenCV on RasPi is the lengthiest task compared to installing other libraries. Installing the suitable and companion libraries is necessary for effective running of the image processing algorithms. It has been observed in the community that not many have succeeded in porting the OpenCV properly. We will go through a step-by-step guide that will give you an up-and-running OpenCV at the first time. While installing some of the library, the order of the installation doesn't matter, but it is suggested that the flow given here will give you the exact results you are looking for.

A quick checklist is as follows:

  • An Internet connection shared with RasPi through a Wi-Fi adapter or a PC.

  • Use PuTTY to log in to the RasPi using an Ethernet connection from a PC.

  • Enough space (up to 4 GB) on the RasPi SD card. Use the df -h command to check out the free space on the SD Card.

  • Interface the camera when needed. A USB camera needs enough current to operate. Connect a 2A adapter to the...

CONTINUE READING
83
Tech Concepts
36
Programming languages
73
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Raspberry Pi Sensors
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