Here is a Raspberry Pi manual produced in partial fulfillment of the requirements for a University professional writing course. It covers: Raspberry ...
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The Raspberry Pi – A Beginner’s Guide
December 3, 2015
This manual was produced in partial fulfillment of the requirements for a University professional writing course. The information contained in this user manual is provided "as is". The author, though well-informed and experienced, experienced, is not professional or expert in the topic, so makes no representations or warranties of any kind, expressed or implied, about the completeness of the information for a particular use, or merchantability. Nor does the author make any representations of freedom freedom from infringement of any intellectual property or proprietary proprietary rights of any third party. You use the information information at your risk. You are advised to consult an appropriate appropriate professional if you have have any doubts related to the advice or procedures in this manual.
Table of Contents Title Page Table of Contents………………………………………………………………………………………………………………………………………………….. Contents………………………………………………………………………………………………………………………………………………….. 1 1 Introduction/Summary………………………………………………………………………………………………………………………………………….. Introduction/Summary …………………………………………………………………………………………………………………………………………..2 2 Raspberry Pi Basics Section……………………………………………………………………………………………………………………………………. Section……………………………………………………………………………………………………………………………………. 3-11 MicroSD Card Formatting…………………………………………………………………………………………………………………………. Formatting…………………………………………………………………………………………………………………………. 3-6 3-6 Hardware………………………………………………….……………………………………………….……………………………………………… 7-11 Hardware………………………………………………….……………………………………………….……………………………………………… Linux Section……………………………………………….……………………………………………….……………………………………………………….. Section……………………………………………….……………………………………………….……………………………………………………….. 12-24 12-24 Linux Setup……………………………………………….……………………………………………….……………………………………………… Setup……………………………………………….……………………………………………….……………………………………………… 12-19 PuTTY……………………………………………….……………………………………………….……………………………………………………… PuTTY……………………………………………….……………………………………………….……………………………………………………… 20-23 20-23 Linux Commands……………………………………………….……………………………………………….…………………………………….. Commands……………………………………………….……………………………………………….……………………………………..24 24 Electric Circuitry Section……………………………………………….……………………………………………….………………………………………. Section……………………………………………….……………………………………………….……………………………………….25-30 25-30 Python/Twython Section……………………………………………….……………………………………………….……………………………………… Section……………………………………………….……………………………………………….……………………………………… 31-37 Helloworld……………………………………………….……………………………………………….………………………………………………. Helloworld……………………………………………….……………………………………………….………………………………………………. 31-32 Button Response……………………………………………….……………………………………………….…………………………………….. Response……………………………………………….……………………………………………….…………………………………….. 33-36 33-36 Twython……………………………………………….……………………………………………….…………………………………………………. Twython……………………………………………….……………………………………………….…………………………………………………. 37 37 Appendices……………………………………………….……………………………………………….………………………………………………………….. Appendices……………………………………………….……………………………………………….………………………………………………………….. 38-39 Works Cited/Resources………………………………………………………………………….……………………………………………………………… Cited/Resources………………………………………………………………………….……………………………………………………………… 40 40
1
Introduction/Summary This manual covers the most basic aspects of using the Raspberry Pi, including obtaining the files to make the Raspberry Pi run, putting these files onto a m emory card, and plugging in all the nece ssary hardware to turn the Raspberry Pi on for the first time. Next, the manual goes on to explain how to interact with the Raspberry Pi, connect to the internet, as well as control it from a desktop computer or laptop. After this, a crash-course on electronic circuitry is presented, which helps give a start in creating new circuits. Finally, an introduction to Python, the programming language, is presented. In this section, several simple projects are designed and implemented, including a Twitter monitor that blinks an LED every time a certain phrase is tweeted on Twitter. The Raspberry Pi is an inexpensive, single-board computer cr eated by the Raspberry Pi Foundation, a UK based charity. The goal of the foundation is to expand access and interest in computers and computer science to a larger audience, including children and adults. The Raspberry Pi can be used in a multitude of applications, and is capable of video playback, word-processing, navigating the internet, playing games, programming, and more. Additionally, the Raspberry Pi can be used with various e lectronic components, like light-emitting diodes (LED’s), (LED’s), motors, sensors, and more, (What is a Raspberry Pi?).
2
Raspberry Pi Basics MicroSD Card Formatting Prior to doing anything with the Raspberry Pi, o ne needs to obtain a MicroSD card with an operating system on it. An operating system is a package of software that tells a computer how to use its hardware. The best way of doing this is by downloading the “NOOBS” files from the official Raspberry Pi website, and then copying them over to an empty MicroSD card. Go to https://www.raspberrypi.org/downloads https://www.raspberrypi.org/downloads/noobs/ /noobs/ Click “Download ZIP” under “NOOBS”
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Navigate to the “Downloads” folder. Extract files (Right click, “Extract All…”, “Extract”)
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Now insert the MicroSD card into the computer’s card reader. A microSD to SD card adapter will be required.
5
Copy the files from NOOBS to t he MicroSD card.
Right click the MicroSD card on the left navigation column, click “Eject”
Remove the MicroSD card from the card reader.
6
Hardware Now that the MicroSD card has the software it needs to tell the Raspberry Pi how to operate, we must connect various peripherals to the Raspberry Pi in or der to boot the device for the first time. Insert the MicroSD card into Raspberry Pi.
7
Here is an Ethernet cable, USB Wi-Fi dongle, and USB keyboard/mouse dongle. These are needed to connect the Raspberry Pi to the internet, and to allow the user to interact with the Raspberry Pi. NOTE: It is only necessary to connect either the Ethernet cable or the USB Wi-Fi dongle. It is not required to connect both. The USB keyboard/mouse dongle, however, is needed in addition to either the Ethernet cable or the USB Wi-Fi dongle.
Plug in either an Ethernet cable or a USB Wi-Fi dongle. (Both are pictured.)
8
Plug in keyboard/mouse. (In this case, the single USB dongle plugged into the bottom right USB port controls both the wireless mouse and keyboard.)
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Plug in the power cable (the microUSB cable), and an HDMI cable.
Here is a microUSB power cable for reference.
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Here is an HDMI cable for reference.
Plug in the AC adapter side of o f the microUSB cable to a wall outlet, and connect the other end of the HDMI cable to an HDMI TV.
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Linux Linux Setup Now that the Raspberry Pi has an operating system, a means to connect to the internet, an interface for the user to interact with, and power; it will now begin the booting process. The operating system, however, must be installed because this is the first time that the microSD card is being used. This process doe s not need to be repeated any other time the Raspberry Pi is turned on. After a short period of time, the television will now show this.
Check the box next to Raspian, and then click install.
Now this dialogue box will appear. Click yes to ack nowledge that the microSD card will be overwritten with the installed operating system. 12
This window will now appear to show that the o perating system is being installed, wait for it to finish.
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This will then appear when the installation is finished. Click OK.
This will now bring you to the desktop.
14
Click this icon in the top right r ight of the screen. This will allow you to configure your internet settings. Do so as you would o n any other device.
After connecting to the internet, click this icon in the top left corner to open the terminal. te rminal. The terminal provides a way to give text commands in order to have the Raspberry Pi do something.
15
This window will now open. We are now going to give the first command to the Raspberry Pi. Type “sudo raspiraspi-config” and the press enter. This command tells the terminal to open the basic configuration options for the Raspberry Pi.
16
This will now replace the black window of the terminal. Here we have several options to configure the Raspberry Pi. First, the user password password must be changed. Navigate to option two, “Change User Password,” with the arrow keys on the keyboard, then press “Tab” on the keyboard until “