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Raspberry Pi Sensors

Raspberry Pi Sensors

By : Rushi Gajjar
4.4 (9)
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Raspberry Pi Sensors

Raspberry Pi Sensors

4.4 (9)
By: Rushi Gajjar

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
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Meeting Your Buddy – the Raspberry Pi
1. Meeting Your Buddy – the Raspberry Pi
A glance at the Raspberry Pi board
Setting up for the first time
Connecting the Raspberry Pi to the Internet
A crash course on Linux
Installing useful libraries
python-gpio
Be ready with Python and C
Practice makes you perfect
Summary
2
2. Meeting the World of Electronics
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2. Meeting the World of Electronics
Basic terminologies of electronics
Communication protocols
Useful tips and precautions
Understanding the GPIO port
It's time to glow LEDs!
Summary
3
3. Measuring Distance Using Ultrasonic Sensors
3. Measuring Distance Using Ultrasonic Sensors
The mysterious ultrasonic sensor
Building the project!
Fixing common problems
A wearable device for the visually impaired
Summary
4
4. Monitoring the Atmosphere Using Sensors
4. Monitoring the Atmosphere Using Sensors
Sensor selection process
InsideDHT – temperature and humidity sensors
Introducing the photoresistor (photocell)
Building the project
Putting all the parts together
Troubleshooting common problems
Summary
5
5. Using an ADC to Interface any Analog Sensor with the Raspberry Pi
5. Using an ADC to Interface any Analog Sensor with the Raspberry Pi
Analog-to-digital convertors
MCP3008 for analog-to-digital conversion
Making your own sensor station
Generic software preparation
Using your sensor station – make a temperature logger
Summary
6
6. Uploading Data Online – Spreadsheets, Mobile, and E-mails
6. Uploading Data Online – Spreadsheets, Mobile, and E-mails
Internet of Things
Hardware setup
Synchronizing the clock with the Internet
Uploading data on Google spreadsheets
Getting notified by e-mails
Integrating everything
Common problems faced
Summary
7
7. Creating an Image Sensor Using a Camera and OpenCV
7. Creating an Image Sensor Using a Camera and OpenCV
Image processing
OpenCV
Camera interfacing with the RasPi
Live streaming using a network camera
Porting OpenCV
Create a motion detector
Amazing projects for you
Summary
8
A. Shopping List
Basic requirements
Sensors
Integrated chips
Components
Others
9
Index
Index

Useful tips and precautions

Before we discuss the practicality side of the RasPi, let's look at the precautions and tips when working with RasPi. You need to read this, as you are now going to work with the GPIOs of the RasPi. This section will give you generalized tips and warnings to keep in mind when working with the RasPi:

  • Avoid touching the electronic components on the RasPi, as even a small amount of sweat or a static charge from your body can spoil the board. The components on the board are so small that it can be affected by a very small amount of sweat in your hand, and by water too. Touch it from the corners, or always use a casing to cover it. There are a plenty of these available in e-stores.
  • Take care when putting the RasPi on the table. If there is a small metal part (cut pieces of wires) or the table itself is made of a metal, it can short the connections on the RasPi.
  • Never connect any device that provides voltage higher than 3.3V to the RasPi's GPIO pins. In Chapter...
End of Section 4
Next Section
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