Raspberry Pi: Measure, Record, Explore

Table of Contents
Introduction
	Welcome!
	What are we trying to do?
		Measure
		Record
		Explore
	Who is this book for?
	What tools / equipment will we use?
		Raspberry Pi
			MySQL
			Apache Web Server
			PHP
			Python
			JavaScript
			d3.js
		Sensors
	Where can I get more information?
		raspberrypi.org
		Google+
		reddit
		Google Groups
		Raspberry Pi Stack Exchange
		adafruit
Setting up the Raspberry Pi
	Hardware
		The Raspberry Pi
			Case
		SD Card
		Keyboard / Mouse
		Video
		Network
			Power supply
	Operating System
		Welcome to Raspbian
		Sourcing and Setting Up
			Downloading
			Writing Raspbian to the SD Card
		Installing Raspbian
			Software Updates
	GUI Desktop
	Static IP Address
		The Netmask
		Distinguish Dynamic from Static
		Setting a Static IP Address on the Raspberry Pi.
			Default Gateway
			Edit the interfaces file
	Remote access
		Remote access via TightVNC
			Setting up the Client (Windows)
			Setting up the Server (Raspberry Pi)
			Copying and Pasting between Windows and the Raspberry Pi
			Starting TightVNC at boot on the Pi.
		Remote access via SSH
			Setting up the Server (Raspberry Pi)
			Installing SSH on the Raspberry Pi.
			Setting up the Client (Windows)
	Setting up a WiFi Network Connection
	Web Server and PHP
		Tweak permissions for easier web file editing
	Database
		MySQL
		phpMyAdmin
		Allow access to the database remotely
		Create users for the database
		Create a database
	Backup the Configured SD Card
	Exploring data with a simple line graph
		The full code
		PHP
			The code
		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.
			Actually Drawing Something!
	Wrap Up
Single Temperature Measurement
	Measure
		Hardware required
		Connect
		Test
	Record
		Database preparation
		Record the temperature values
			Code Explanation
	Explore
		The Code
		Different MySQL Selection Options
Multiple Temperature Measurements
	Measure
		Hardware required
		Connect
		Test
	Record
		Database preparation
		Record the temperature values
			Code Explanation
		Recording data on a regular basis with cron
	Explore
		The Code
			PHP
			JavaScript
System Information Measurement
	Measure
		Hardware required
		Measured Parameters
			System Load
			Memory Used
			Disk Used
			Raspberry Pi Temperature
	Record
		Database preparation
		Record the system information values
			Code Explanation
			load
			ram
			disk
			temperature
			Main program
		Recording data on a regular basis with cron
	Explore
		The Bullet Graph
		The Code
			HTML / JavaScript
			PHP
Basic GPIO Input Sensors
	Measure
		Hardware required
			The KY003 Hall Effect Sensor
		Connect
		Test
	Record
		Database preparation
		Record the events
			Code Explanation
		Start the code automatically at boot
	Explore
		The Code
			PHP
			CSS (Styles)
			JavaScript
Pressure and Temperature measurement with the BMP180
	Measure
		Hardware required
			The BMP180 Sensor
		Connect
		Test
	Record
		Database preparation
		Record the readings
			Code Explanation
		Recording data on a regular basis with cron
	Explore
		The Code
			PHP
			CSS (Styles)
			JavaScript
	Bibliography
Connecting Analog Sensors to the Raspberry Pi
	Analog and Digital
		Analog
		Digital
		Analog to Digital Conversion (ADC)
		The Sensor
	Data Visualization
	Measure
		Hardware required
			The ADS1015 Analog to Digital Converter
			The Light Dependant Resistor (LDR or Photoresistor) Sensor
		Connect
		Test
	Record
		Database preparation
		Record the readings
			Code Explanation
		Recording data on a regular basis with cron
	Explore
		The Code
			PHP
			CSS (Styles)
			JavaScript
	Bibliography
Web Scraping
	OK, so what is web scraping?
	Measure
		Hardware required
		Software required
		Let the scraping begin
	Record
		Database preparation
		Record the reader numbers
			Code Explanation
		Recording data on a regular basis with cron
	Explore
		The Code
		Description
			Nesting the data
			Wrangle the data
			Cheating with the domain
			data vs datum
			Setting up the clipPaths
			Clipping and adding the areas
			Draw the lines and the axes
		Adding a bit more to our difference chart.
			Add a Y axis label
			Add a title
			Adding the legend
			Link the areas
			The final result
Raspberry Pi Tips and Tricks
	Changing the default keyboard layout
	Changing the default local time
	Access the Pi with a `name' or an IP address
	Transfer files easily to / from the Pi
		Bonus: Edit Files on the Pi from your Desktop Editor
	Turn the activity light on or off
		Cut to the chase and just do it
		The explanation of how it works
Hardware
	Raspberry Pi A+
		USB Port
		Video Out
		USB Power Input Jack
		MicroSD Flash Memory Card Slot
		Stereo and Composite Video Output
		40 Pin Header
	Raspberry Pi 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
		USB Ports
		HDMI Video Out
		Composite Video Out
		Ethernet Network Connection
		USB Power Input Jack
		SD Flash Memory Card Slot
		Audio Output
		26 Pin Header
	Cases
		Multicomp MC-RP002-CLR
			Side views.
			Fitting the Raspberry Pi
		DIY Open Multi-stack Pi
	Sensors
		DS18B20 Programmable Resolution 1-Wire Digital Thermometer
	Accessories
		VGA to HDMI Adapter
		In-line switch for USB power supply
		Multiple Outlet USB Power Supply
Linux Command Glossary
	apt-get
		apt-get update
		apt-get upgrade
		apt-get install
	cat
	cd
	chmod
	chown
	crontab
	ifconfig
	ls
	modprobe
	sudo
	usermod
Appendices
	Raspberry Pi Quick Set-up
		Download Raspbian Image
		Writing Raspbian to the SD Card
		Installing Raspbian
		Software Updates
		Static IP Address
		Remote access via TightVNC
			On Windows
			On the Raspberry Pi.
		Starting TightVNC at boot.
			Copying and Pasting between Windows and the Raspberry Pi via TightVNC
		Remote access via SSH
			Setting up the Server (Raspberry Pi)
			Setting up the Client (Windows)
		Setting up a WiFi Network Connection
		Web Server and PHP
			Adjust permissions for web files
		Database
		phpMyAdmin
		Allow remote database access
		Add users to the database
		Create a database
	Understanding JavaScript Object Notation (JSON)