Raspberry Pi
26 Practical Raspberry Pi Projects and Uses
Turn a Raspberry Pi into a desktop, media center, file server, camera, controller, gaming system, or learning platform with practical setup and safety guidance.
Latest Technology Articles
Basic knowledge
What Is a PDF File? A Practical Guide to Using PDFs
Understand what the PDF format preserves, when to use it, how to open, create, edit, combine, compress, protect, and sign PDF documents.
Basic knowledge
What Is a ZIP File? How to Create, Open, and Extract ZIPs
Learn how ZIP archives combine and compress files, how to create or extract them on Windows and macOS, and how to handle passwords, conversions, and unsafe archives.
Basic knowledge
What Is an ODT File? How to Open, Edit, and Convert It
Understand the OpenDocument Text format, open ODT files in LibreOffice or Word, convert them to DOCX or PDF, and avoid formatting loss.
Basic knowledge
What Is a WebP File? How to Open and Convert WebP Images
Learn how WebP handles lossy or lossless images, transparency and animation, when it helps a website, and how to open or convert a .webp file.
Basic knowledge
What Is an ODP File? How to Open, Edit, and Convert It
Understand the ODP presentation format, which apps can open it, and how to convert ODP files to PPTX or PDF without losing important formatting.
Basic knowledge
What Is a GIF File? How to Open, Edit, and Convert GIFs
Learn how GIF files store simple animations, how to open and edit them on desktop or mobile, and when to convert a GIF to MP4, WebP, PNG, or JPG.
Basic knowledge
What Is an APK File? How to Install, Open, and Inspect It Safely
Understand what an Android APK contains, how sideloading works, how to inspect an APK on a computer, and why APK files cannot simply be converted into iPhone or Windows apps.
Basic knowledge
What Is an AVI File? How to Play and Convert AVI Video
Learn why some AVI files play while others do not, which players can handle them, and how to convert AVI to MP4 or extract its audio without unnecessary quality loss.
Basic knowledge
What Is an SVG File? How to Open, Edit, and Use SVG Images
Learn how SVG vector graphics work, when they are better than PNG or JPG, how to open and edit them, and how to use SVG safely and accessibly on a website.
Basic knowledge
What Is a WAV File? How to Play and Convert WAV Audio
Learn how WAV stores audio, what sample rate and bit depth mean, how to open WAV files, and when to convert them to MP3, AAC, or FLAC.
Basic knowledge
What Is a TXT File? How to Open, Edit, and Convert Plain Text
Learn what a TXT file stores, how text encoding affects readability, how to create or open one on any device, and how to convert plain text to PDF or DOCX.
Basic knowledge
What Is an M4A File? How to Play and Convert M4A Audio
Learn what an M4A audio file contains, the difference between AAC and ALAC, how to open it, and how to convert M4A to MP3, WAV, or FLAC.
Basic knowledge
What Is an XML File? How to Open, Edit, and Validate XML
Learn how XML structures data with elements and attributes, how to open and edit an XML file, and how to diagnose syntax, encoding, schema, and security problems.
Smart watches
How to Set Up and Use Focus on iPhone, Apple Watch, and Mac
Set up Focus on iPhone, Apple Watch, and Mac to control notifications, schedule modes, customize screens, and sync settings across devices.
Smart watches
How to take a screenshot on Apple Watch
how to enable the screenshot feature, how to take screenshots on Apple Watch, and where to view captured images.
Smart watches
How to set the moving astronaut wallpaper on your Apple Watch
You how to set a moving astronaut wallpaper on your Apple Watch, giving your smartwatch a stunning and unique new look.
Smart watches
Basic Apple Watch Operations Users Need to Know
These are the basic operations on the Apple Watch that users need to know to take full advantage of the features of this smart watch.
Smart watches
Ways to fix Apple Watch not receiving notifications
These methods for fixing Apple Watch notifications that aren't working will help users avoid missing any important notifications.
Smart watches
How to Create Custom Apple Watch Faces
Learn how to customize your Apple Watch face to display all the necessary information and easily monitor it at any time.