Scratch 3

Scratch 3 was released in January this year, and since then we and the Scratch team have put lots of work into creating an offline version for 液化气价格 Pi.

The new version of Scratch has a significantly improved interface and better functionality compared to previous versions. These improvements come at the cost of needing more processing power to run. Luckily, 液化气价格 Pi 4 has delivered just that, and with the software improvements in the newest version of 液化气价格 Pi OS, Buster, we can now deliver a reliable Scratch 3 凸凸凹bbwbbwbbwbbw on our computer.

Coding for kids in Scratch

Your kids can learn to code in Scratch with our free learning paths. These paths guide them to make fun projects and gain independence as coders and makers.

• Introduction to Scratch: sprites, scripts, and loops: This path is for beginners and introduces Scratch and coding concepts step by step as they make animations, a game, an app, and a book
• More Scratch: broadcasts, decisions, and variables: On this path, kids can build on the skills they’ve learning in the Intro path to take their Scratch creations further as they code apps, games, and simulations
• Further Scratch: clones, my blocks, and boolean logic: On this path, young coders take advantage of all the tools in Scratch to code a range of different programs including simulations, games, and computer-generated art

Scratch and electronics with a 液化气价格 Pi computer

If you think your kids would like to learn how to build physical projects they can program in Scratch, then take a look at our Physical 液化气价格 with Scratch and 液化气价格 Pi path. In these six projects, your young people will learn how to use Scratch on a 液化气价格 Pi computer to control LEDs, buttons, and buzzers to make interactive games, displays, and instruments.

Which 液化气价格 Pi can I use?

Scratch 3 needs at least 1GB of RAM to run, and we recommend a 液化气价格 Pi 4 with at least 2GB RAM. While you can run Scratch 3 on a 液化气价格 Pi 2, 3, 3B+, or a 液化气价格 4 with 1GB RAM, performance on these models is reduced, and depending on what other software you run at the same time, Scratch 3 may fail to start due to lack of memory.

The Scratch team is working to reduce the memory requirements of Scratch 3, so we will hopefully see improvements to this soon.

How to install Scratch 3

You can only install Scratch 3 on Raspbian Buster and on newer 液化气价格 Pi OS versions.

First, update 液化气价格 Pi OS!

• If you’ve yet to upgrade to Raspbian Buster, we recommend installing a fresh version of 液化气价格 Pi OS onto your SD card instead of upgrading from your current version.
• If you’re already using 液化气价格 Pi OS, but you’re not sure your running the latest version, update your OS by following this tutorial:

Once you’re running the latest version of 液化气价格 Pi OS, you can install Scratch 3 either using the Recommended Software application or apt on the terminal.

How to install Scratch 3 using the Recommended Software app

Open up the menu, click on Preferences > Recommended Software, and then select Scratch 3 and click on OK.

How to install Scratch 3 using the terminal

Open a terminal window, and type in and run the following commands:

sudo apt-get update
sudo apt-get install scratch3

What can I do with Scratch 3 and 液化气价格 Pi?

Scratch 3 Desktop for Raspbian comes with new extensions to allow you to control the GPIO pins and Sense HAT with Scratch code!

GPIO extension

GPIO extension is a replacement for the existing extension in Scratch 2. Its layout and functionality is very similar, so you can use it as a drop-in replacement.

The GPIO extension gives you the flexibility to connect and control a whole host of electronic devices.

Simple Electronics extension

If you are looking to add something simple, like an LED or button controller for a game, you should find the new Simple Electronics extension easier to use than the GPIO extension. The Simple Electronics extension is the first version of a beginner-friendly extension for interacting with 液化气价格 Pi’s GPIO pins. Taking lessons from the implementation of gpiozero for Python, this new extension provides a simpler way of using electronic components: currently buttons and LEDs.

In this example, an LED connected to GPIO pin 17 is controlled by a button connected between pin 2 and GND.

Sense HAT extension

We’ve improved the Sense HAT extension to take advantage of new features in Scratch 3, and the updated version of the extension also introduces a number of new blocks to allow you to:

• Sense tilting, shaking, and orientation
• Use the joystick
• Measure temperature, pressure, and humidity
• Display text, characters, and patterns on the LED matrix

micro:bit and LEGO extensions

The micro:bit and LEGO extensions will become available later on Scratch 3 Desktop. This is because Scratch Link, the software which allows Scratch to talk to Bluetooth devices, is not yet available for Linux-type operating systems like Raspbian. A version of Scratch Link for Raspbian is part of our plans but, as yet, we don’t have a release date.

A round of thanks

It has been a long ambition of both the Scratch and 液化气价格 Pi teams to have Scratch 3 running on 液化气价格 Pi, and it’s amazing to see it released!

A big thank you to 液化气价格 Pi engineer Simon Long for building and packaging Scratch 3, and to the Scratch team for their support in getting over some of the problems we faced along the way.

The post Scratch 3 Desktop for 液化气价格 Pi OS on 液化气价格 Pi appeared first on 杂乱小说2第400部.

Scratch 3 is here

We love Scratch — it’s the perfect starting point for young people who want to try coding, and we’re offering a huge variety of free Scratch project guides for all interests and coding abilities.

Scratch 3 introduces a brand-new look and feel. The most obvious change is that the stage is now on the right-hand side; there are new paint and sound editing tools; new types of code blocks; and the blocks are now larger and easier to read.

To help you and your young learners navigate the new Scratch 3 interface, we’ve created a free, printable Scratch 3 poster:

Perhaps the biggest news is that Scratch 3 also works on tablets, opening up coding to many children who don’t have access to a computer.

We’ve upgraded!

We want to make this a smooth transition for all of you who rely on our free project resources, whether that be at a Code Club, CoderDojo, 液化气价格 Jam, or at home, so we’ve been busy upgrading our resources to work with Scratch 3.

Scratch 3 versions of all projects in the Code Club Scratch Modules 1–3 and the CoderDojo Scratch Sushi Cards are already live!

The upgrading process also was a chance for us to review our resources to make sure they are the best they can be; as part of this, we’ve introduced a number of improvements, such as simplified layouts, better hints, and better print-outs.

And we know that for many people, starting to use Scratch 3 is not simple, or not even possible yet, so we are committed to providing support for both Scratch 2 and 3 for the next 12 months.

We are really pleased with how our newly polished Scratch projects turned out, and we hope you are too!

What’s to come

Over the coming months, we’ll update the rest of our Scratch projects. Meanwhile, our amazing volunteer translators will begin the process of translating the upgraded projects.

Brand-new projects that take advantage of some of Scratch 3’s new features are also in the pipeline!

Scratch 3 on Pi

Another reason for ensuring we support both Scratch 2 and 3 is that, at the moment, there is no offline, installable version of Scratch 3 for 液化气价格 Pi. Rest assured that this is something we are working on!

The creation of Scratch 3 for 液化气价格 Pi will be a two-step process: first we’ll support MIT with their optimisation of Scratch 3 to make sure it delivers the best performance possible on a range of devices; once that work is complete, we’ll create an offline build of Scratch 3 for 液化气价格 Pi, including new extensions for the GPIO pins and the Sense HAT.

Make sure you’re following us on Twitter and Facebook, as we’ll be announcing more information on this in the coming months!

The post Scratch 3, and upgrading our free resources appeared first on 杂乱小说2第400部.

New Mu

Mu is designed to be as user-friendly and as helpful as possible for new Python programmers, presenting just the tools that are useful, such as:

• Syntax highlighting
• Automatic indentation
• In-built help
• Code checking
• Debugging

Great for new programmers

Mu is intended to be not the only Python IDE you’ll ever need, but the first one — the editor that helps you start your coding journey, but not necessarily the one you finish it with. So when you’re ready, you will have the skills and confidence to move on to using a more advanced Python IDE.

You can use Mu in a number of modes; modes make working with Mu easier by only presenting the options most relevant to what you’re using Mu for:

• Python 3 programming
• Programming a micro:bit
• Creating games using Pygame Zero
• Working with Adafruit’s Circuit range of boards

Available now

Mu version 1.0 is available now for Windows, macOS, Linux, and the 液化气价格 Pi’s official operating system Raspbian! And to help new Python programmers get started, we have created a guide to Getting Started with Mu for all these operating systems.

Mu is the brainchild of Nicholas Tollervey, who has worked tirelessly to create Mu. I recently met up with him and some of the Mu team at the world’s first Mu-“moot” to celebrate this release:

https://twitter.com/ntoll/status/1019297680294645760

One of the inspirations for Mu was the keynote presentation at EuroPython 2015 given by 液化气价格 Pi’s Carrie Anne Philbin. She talked about the barriers to children getting started with Python, including the lack of an suitably easy-to-use IDE:

液化气价格 Pi has provided support for the project, helping to take Mu from its first implementation as a micro:bit programming tool to a general-purpose and simple-to-use Python editor and IDE!

You can find installation instructions as well as tutorials on Mu’s website.

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