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OCR Raspberry Pi Getting Started Tutorials

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The LXPanel/task bar

The LXPanel or task bar provides a user friendly desktop panel which manages
open programs and allows access to the application menu. It can be configured
to your personal preference using preferences.

Raspberry Pi Desktop

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Summary of Contents for Raspberry Pi

Page 1: ...ion understanding learning guidance resources communication industry knowledge skills employment training education qualification understanding learning guidance resources communication industry knowledge skills employment training education qualification understanding learning guidance resources communication industry knowledge skills employment training education qualification understanding lear...

Page 2: ...d Tutorials Contents 1 What is the Raspberry Pi 3 2 Hardware 5 3 Ingredients 7 4 Preparing the Raspberry Pi 8 5 Connecting the Raspberry Pi 10 6 Raspberry Pi Desktop 13 7 Basic Networking 17 8 Internet Overview 19 9 Shutting Down 20 ...

Page 3: ...es amazing HD high definition quality video playback sports high quality audio and has the ability to play 3D games The device uses the ARM processor which does most of the hard work in order to run the Raspberry Pi ARM processors can be thought of as the brains of the device These processors are mainly used in small devices such as mobile phones hand held mobile gaming devices and other small dig...

Page 4: ... and storing of information For the Raspberry Pi the SD card does the same job as a hard drive does in a traditional computer The SD card must contain the operating system programs and the data needed to run the Raspberry Pi The operating system tells the Raspberry Pi how to function how to handle any input from the user and how to manage programs when they are running What is the Raspberry Pi 1 ...

Page 5: ...a program or a collection of programs that instruct a computer on what to do and how to do it Below is an image of the Raspberry Pi which describes some of the components that make up the hardware GPIO headers RCA video output for analogue television Audio output 2 x USB ports Ethernet port for a network connection HDMI port for video output ARM processor Micro USB power port 2 ...

Page 6: ...0 ports are used to plug in a keyboard mouse web cam external hubs etc Audio output The audio output can be used to plug into an external amplifier or an audio docking station GPIO headers The GPIO headers are used to connect the Raspberry Pi to other hardware devices For example they can be used to connect to LEDs motors and other electronic components RCA video output The video output is used to...

Page 7: ...ogue TV 1 x Mouse 1 x Keyboard 1 x Ethernet LAN cable optional needed if you require a network connection 1 x Micro USB power supply many mobile phone chargers will work but it must supply 5V and have at least 700mA Note Some monitors do not have HDMI ports in this situation you will need to have an adapter you can get a HDMI to DVI or a HDMI to VGA ...

Page 8: ...ded operating system is Raspbian wheezy If you are using Microsoft Windows you will need to save your downloaded operating system image to a folder and extract the contents This will create a file that ends with a xxxx img file extension The file name may vary depending on which version is available at the time The main point is that you have a file ending in img In order to write this image img f...

Page 9: ...at you are writing to the SD card device If you have any doubt you can double click on My Computer and see that the drive letter that has the SD icon next to it When you are sure that you have selected the correct image file and the correct device to write to click on the write button and wait for the progress bar to reach 100 When this has completed safely eject your SD card Make sure your Raspbe...

Page 10: ...al step There is no on and off switch on your Raspberry Pi and it can only be powered on by inserting the power adapter Step 1 Pay attention to the gold connectors on the SD card These gold connectors must make contact with the gold connectors on the Raspberry Pi Step 2 Plug in your mouse and keyboard into the USB ports 5 ...

Page 11: ...le Step 4 If you have a HDMI TV or monitor then you can plug in your HDMI cable into the Raspberry Pi and plug the other end into your TV If you have a composite video connection on your TV then go to step 5 If your TV monitor does not have a HDMI port you will need to use an adapter this will either be a HDMI to DVI or a HDMI to VGA Connecting the Raspberry Pi 5 ...

Page 12: ...ion if you are using a TV that does not support HDMI and plug it into your television Step 6 Insert your power cable into the Raspberry Pi power connector Your Raspberry Pi will now boot up If you are using a TV make sure you have the correct channel selected Connecting the Raspberry Pi 5 ...

Page 13: ...e desktop is used to make the user experience more intuitive by providing visual buttons menus icons and windows The desktop removes the complexity of manually entering commands in a terminal LXDE has been selected for the Raspberry Pi because it is light weight uses less processing power than most window managers and does not require 3D acceleration to complete graphic tasks LXDE can be customise...

Page 14: ...e manager is used to manage files by providing an easy interface to display copy delete and edit a file It also provides a way of navigating through the Raspberry Pi file system Menu The menu provides a way of organising related programs and provides easy access to applications Raspberry Pi Desktop 6 ...

Page 15: ... accessing a program Window A window is central to most desktops because it maintains user focus on the program they are using A window has a frame with a title bar close minimise and maximise buttons and other elements which allow you to manipulate the window in other ways Raspberry Pi Desktop 6 ...

Page 16: ...6 The LXPanel task bar The LXPanel or task bar provides a user friendly desktop panel which manages open programs and allows access to the application menu It can be configured to your personal preference using preferences Raspberry Pi Desktop 6 ...

Page 17: ...with IPv4 has become clear since more and more devices are being connected to the internet Each device that connects to the internet needs an address and IPv4 has a limited amount of addresses available The answer to this was to create a new version called IPv6 which allows for more devices to be connected An example of IPv6 looks like this 2001 0db8 85a3 0042 0000 8a2e 0370 7334 A network consist...

Page 18: ... port 80 which is reserved for delivering web pages The browser takes care of which port number to use so that you don t have to concern yourself with this You can view the following file which lists your network interfaces etc network interfaces A snippet of the file looks like this iface eth0 inet dhcp The word iface is referring to an interface and eth0 is referring to the Ethernet port Eth0 is...

Page 19: ...nnect to a wireless network To connect your wireless network you will need a wireless SSID and the password To browse the internet you can use a number of web browsers The Midori web browser can be used which is a light weight and low memory web browser This web browser is found in most Raspberry Pi distributions along with the Dillo web browser A number of other web browsers are available includi...

Page 20: ...indow will display a number of options including rebooting the Raspberry Pi Click on the shutdown button to shutdown the device When the Raspberry Pi has shutdown the screen will turn black Wait at least 5 seconds before you power off the Raspberry Pi from the mains 9 OCR 2013 Oxford Cambridge and RSA Examinations is a Company Limited by Guarantee Registered in England Registered office 1 Hills Ro...

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