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Raspberry Pi

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What You Should Know about the Raspberry Pi Prompt

When you log in to your Raspberry Pi, you will see a prompt that looks like this, with a cursor beside it, always ready for you to enter your command: [more…]

How to Use Redirection to Create Files in Linux on Your Raspberry Pi

It’s possible to send the results from a command to a file instead of the screen on your Raspberry Pi; in other words, to redirect them. You could keep some listing results in a file, for example, so you [more…]

How to Create Presentations on the Raspberry Pi with LibreOffice Impress

If you’re called upon to deliver a presentation, you can use LibreOffice Impress on your Raspberry Pi to create your slides and play them back. You probably realize that most LibreOffice programs have [more…]

How to Resize an Image in GIMP on the Raspberry Pi

One of the most useful things you can learn to do on your Raspberry Pi is to resize an image. All computer images are made up of pixels, which are tiny colored dots. Several cameras produce images that [more…]

How to Structure an HTML Document to Make a Web Page on Your Raspberry Pi

In order to make a web page on the Raspberry Pi, you will need to structure the HTML document correctly. A code snippet is a good way to see how HTML tags work and how your browser interprets them, but [more…]

How to Add Images to Your Web Page on the Raspberry Pi

Adding pictures is a great way to liven up a web page with the Raspberry Pi and help you to get your message across. For example, look at the two pictures on this page: a wide panoramic shot as a banner [more…]

How to Add Links to Your Web Page on the Raspberry Pi

To enable visitors to find other web pages, you need to add links. To add a link to your web page on the Raspberry Pi, you write your text and then surround it with so-called [more…]

How to Format Lists for Your Web Page on the Raspberry Pi

When creating a web page on the Raspberry Pi, you will likely need to know how to format a list. Lists are used more than you might think to communicate information, so there’s a standard way of formatting [more…]

How to Create a Navigation Bar from a List on the Raspberry Pi

At the top of a web page is a list of links. You want use your Raspberry Pi to turn them into a navigation bar, a set of horizontal buttons. But you only want to make this list a navbar; you don’t want [more…]

How to Add Color to Your Website on the Raspberry Pi

Your website won’t be very appealing without some color. You can use CSS to add color to your website on the Raspberry Pi. The quickest way to see how CSS works is to try an example. In your main.css file [more…]

How to Format Text on your Website with the Raspberry Pi

You can change a few properties to alter how your website’s text looks on the screen with the Raspberry Pi. Anything you can add to make your website more visually appealing will encourage people to keep [more…]

How to Add Borders to Your Website on the Raspberry Pi

You can use the Raspberry Pi to put a border around different parts of your web page, which is a good way to mark out where the parts begin and end, and to draw attention to the most important elements [more…]

How to Play Music on Your Raspberry Pi

To get started with playing music on your Raspberry Pi, click Music on the Home screen. You can use the panel on your left to browse your various music sources, and you can then find individual songs by [more…]

How to Make Your Sprite Move with Scratch on the Raspberry Pi

Sprite xperimenting with Scratch on the Raspberry Pi is easy. To try out different blocks, just click them in the Blocks Palette. For example, try clicking the block to move 10 steps, and you should see [more…]

How to Change Your Sprite’s Appearance with Scratch on the Raspberry Pi

As well as moving your sprite around the Raspberry Pi screen, Scratch makes it simple to change your sprite’s appearance. It makes your game much more fun if all your characters don’t look exactly the [more…]

How to Add Sound to Your Sprite on the Raspberry Pi

You can give your sprite some sound effects with the Raspberry Pi. Scratch comes with sounds including slurps, sneezes, and screams; ducks, geese, and owls; and pops, whoops, and zoops. There are effects [more…]

How to Use the Shell to Calculate Sums on the Raspberry Pi

You can use the shell to carry out simple calculations on your Raspberry Pi. There are different mathematical operators you can use in your sums. Just put the sum after the [more…]

How to Create and Run Your First Python Program on the Raspberry Pi

Creating Python programs on the Raspberry Pi can help simplify your life. The problem with entering instructions in the shell is that you have to enter them each time you want to use them. The commands [more…]

How to Create Your Own Functions in Python on the Raspberry Pi

One of the things the Raspberry Pi allows you to do in Python, and many other programming languages, is create a function. A function can receive some information from the rest of the program [more…]

How to Create the Dictionary Look-Up Function in Python on the Raspberry Pi

To move beyond basic functions in Python, create the dictionary look up function. The Raspberry Pi allows you to build a function that takes the player’s text and checks for any relevant responses. To [more…]

How to Draw with Pygame on Your Raspberry Pi

Drawing on the Raspberry Pi screen has two stages. The first is that you draw onto the canvas (or surface object), and the second is that you update the screen with those changes. To make the window background [more…]

How to Create a Game Map with Pygame on Your Raspberry Pi

To really get going with Pygame, you need to use a list to store a map on your Raspberry Pi. A map is two-dimensional, so you’ll use a nested list, a list in which each list item is also a list. In other [more…]

What You Can Do with Switched Output on Your Raspberry Pi?

So what can you do with a switched output on the Raspberry Pi? Well, you can drive a small current through a load, or you can control another device that can control a bigger current through a load. Put [more…]

Ready-Made Add-On Boards for Your Raspberry Pi

Many ready-made interface boards are available for the Raspberry Pi. These are designed to make things easier for you to do by building part of the circuits for you. They range from simply providing easier [more…]

Raspberry Pi Board Revisions

Currently, there have been two board revisions of the Raspberry Pi, with the GPIO signals going to different pins on P1. Only three signals are different between the two boards, but it's something you [more…]

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