Raspberry Pi Computing: Temperature Measurement
Raspberry Pi Computing: Temperature Measurement
Measure, record and display temperatures with a Raspberry Pi computer
About the Book
If you've heard about the Raspberry Pi you may know that it provides a fantastic method to learn about using a computer and to develop some skills that go beyond the basics.
What sort of things will we learn?
Good question!
- What sort of versions of the Raspberry Pi are there?
- What hardware do I need to get it up and going?
- What sort of operating systems are there and how do we install them?
- How do I do [Insert any number of cool things]?
Is this book for you?
It's not written for experts. It's put together as a guide to get you started if you're unsure about how to make the first move with a Raspberry Pi.
Why has the book been written?
Because in the process of learning things, it's a great way to remember them if you write them down :-).
Writing about how to do cool stuff with computers means that we're accumulating ways to help ourselves out when the going gets tricky. Making a book out of the information is a no-brainer since that way more people benefit from the process.
The awesome that is Leanpub.
The book has some information in it, but there's still a bit more to come. Publishing using Leanpub will allow readers to get easy notification of when updates and improvements are made.
Enjoy.
So we hope you get something out of the book, please excuse the sometimes light-hearted conversational manner in which we approach the topic and enjoy the Raspberry Pi!
About the Author
Bundles that include this book
Table of Contents
-
Introduction
- Welcome!
- What are we trying to do?
- Who is this book for?
- What will we need?
- Why on earth did I write this rambling tome?
- Where can I get more information?
- The History of the Raspberry Pi
-
Raspberry Pi Versions
-
Raspberry Pi B+, 2 B and 3 B
- USB Ports
- Video Out
- Ethernet Network Connection
- USB Power Input Jack
- MicroSD Flash Memory Card Slot
- Stereo and Composite Video Output
- 40 Pin Header
-
Raspberry Pi B+, 2 B and 3 B
-
Raspberry Pi Peripherals
- SD Card
- Keyboard / Mouse
- Video
- Network
- Power supply
- Cases
-
Operating Systems
-
Welcome to Raspbian
- Downloading
- Writing the Operating System image to the SD Card
- Powering On
-
The Command Line interface
- Raspberry Pi Software Configuration Tool
- Software Updates
-
Welcome to Raspbian
-
Power Up the Pi
-
Static IP Address
-
The Netmask
- CIDR Notation
- Distinguish Dynamic from Static
- Default Gateway
-
Lets edit the
dhcpcd.conffile
-
The Netmask
-
Remote access
-
Remote access via SSH
- Setting up the Server (Raspberry Pi)
- Setting up the Client (Windows)
-
Remote access via SSH
-
Setting up a WiFi Network Connection
-
Built in WiFi Enabling
- Make the changes operative
- Make the built in WiFi IP address static
- Make the changes operative
-
WiFi Via USB Dongle
- Editing files
- Make the changes operative
- Make the built in WiFi IP address static
- Make the changes operative
-
Built in WiFi Enabling
-
Reconnecting to the wireless network automatically
- Let’s write a script
- Lets run our script on a regular schedule
- Let’s test it
-
Static IP Address
-
Setting up the Raspberry Pi Software
-
Web Server, PHP and Database
-
Install NGINX and PHP
- Configuration
- Database
- Installing phpMyAdmin
- Create users for the database
- Create a database
- Database preparation
-
Install NGINX and PHP
-
Web Server, PHP and Database
-
Multiple Temperature Measurements
- The DS18B20 Sensor
-
Measure
- Hardware required
- Connect
- Enable
- Test
-
Record
-
Record the temperature values
- Code Explanation
-
Recording data on a regular basis with
cron
-
Record the temperature values
-
Explore
-
The Code
- PHP
-
HTML
- CSS
-
JavaScript and d3.js
- Setting up the margins and the graph area.
- Getting the Data
- Formatting the Date / Time.
- Setting Scales Domains and Ranges
- Setting up the Axes
- Adding data to the line function
- Adding the SVG area.
- Data Wrangling!
- Add the axes
-
The Code
- Wrap Up
-
Linux Concepts
- What is Linux?
-
Linux Directory Structure
-
/ -
/bin -
/boot -
/dev -
/etc -
/etc/cron.d -
/etc/rc?.d -
/home -
/lib -
/lost+found -
/media -
/mnt -
/opt -
/proc -
/root -
/sbin -
/srv -
/tmp -
/usr -
/usr/bin -
/usr/lib -
/usr/local -
/usr/sbin -
/var -
/var/lib -
/var/log -
/var/spool -
/var/tmp
-
-
Everything is a file in Linux
- Traditional Files
- Directories
- System Information
- Devices
-
File Editing
- The nano Editor
-
Linux Commands
- Executing Commands in Linux
-
The Commands
-
- Options
- Arguments
- Putting it all together
-
apt-get-
The
apt-getcommand -
apt-get update -
apt-get upgrade -
apt-get install -
apt-get remove
-
The
-
cat-
The
catcommand - Options
- Arguments and Examples
- Test yourself
-
The
-
cd-
The
cdcommand - Options
- Arguments
- Examples
- Test yourself
-
The
-
chmod-
The
chmodcommand - Options
- Arguments
- Examples
-
The
-
crontab
-
The
crontabcommand - Options
- Examples
- Test yourself
-
The
-
ifconfig-
The
ifconfigcommand - Options
- Arguments
- Test yourself
-
The
-
ls-
The
lscommand - Options
- Arguments
- Examples
-
The
-
modprobe-
The
modprobecommand - Options
- Arguments
- Test yourself
-
The
-
ping-
The
pingcommand - Options
- Test yourself
-
The
-
sudo-
The
sudocommand - The ‘sudoers’ file
-
sudovssu - Test yourself
-
The
-
- Directory Structure Cheat Sheet
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