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How To: A Hacker's Guide to Programming Microcontrollers

While hackers know and love the Raspberry Pi, many don't know of its cheaper cousin, the microcontroller. Unlike a Pi, which can be used more or less like a regular computer, microcontrollers like the Wi-Fi connected ESP8266 require some necessary programming skill to master. In this guide, we'll build an Arduino program from scratch and explain the code structure in a way anyone can understand.

News: The 5 Best Free Twitter Clients for iPhone

Twitter's official iOS app is adequate if you're not much of a tweeter, but if you are, there's a lot of useful features that are missing. Luckily, there are plenty of free Twitter clients available that you can use on your iPhone. These third-party apps have features such as customizable interfaces, post scheduling, and different browser options for opening links, to name just a few.

How To: 60 iOS Features Apple Stole from Jailbreakers

Overall, iOS is more impressive than ever with its stability enhancements, security tools, suite of apps and services, and intuitive user interface. With each passing update, things just get better and better for iPhone users. But don't think for a second that this is all because of Apple's genius — many of these features were at least partly inspired by tweaks made by the jailbreak community.

How To: Use Beginner Python to Build a Brute-Force Tool for SHA-1 Hashes

Developers creating login systems know better than to store passwords in plain text, usually storing hashes of a password to prevent storing the credentials in a way a hacker could steal. Due to the way hashes work, not all are created equal. Some are more vulnerable than others, and a little Python could be used to brute-force any weak hashes to get the passwords they were created from.

How To: Attack Web Applications with Burp Suite & SQL Injection

Web applications are becoming more and more popular, replacing traditional desktop programs at an accelerated rate. With all these new apps out on the web comes various security implications associated with being connected to the internet where anyone can poke and prod at them. One of the simplest, yet the most prevalent types of security flaws found in modern web apps are SQL injections.

How To: 33 Cool Little Android Features You Might Not Know About

One of Android's biggest strengths is its flexibility. There's usually more than one way to perform the same task, which makes it easy to find an alternate method that works better for you. Android also has some hidden features that newer users might not be aware of, so we made this list to highlight lesser-known tips and tricks.

How To: Comparing the 5 Best Internet Browsers for Android

For all those times when an app either isn't available or simply won't cut it, your phone's internet browser provides access to your favorite websites and services. But some browsers are flat-out better than others, and chances are, the browser that came pre-installed on your phone isn't the best option out there.

How To: Android CyanogenMod Kernel Building: Monitor Mode on Any Android Device with a Wireless Adapter

Hi, everyone! Recently, I've been working on a pretty interesting and foolish project I had in mind, and here I'm bringing to all of you my findings. This guide's main aim is to document the process of building an Android kernel, specifically a CyanogenMod kernel and ROM, and modifying the kernel configuration to add special features, in this case, wireless adapter Alfa AWUS036H support, one of the most famous among Null Byters.

How To: 11 Ways Apple's Reminders App Is Even Better with iOS 18, iPadOS 18, and macOS 15

With iOS 18, you get better note-taking capabilities in the revamped Notes app, advanced features like conversions and results history in the more powerful Calculator, and interactive Math Notes, a feature in both apps that's a game changer for students and professionals dealing with complex equations. But Apple didn't forget about Reminders, which has become more than a simple to-do-list app.

How To: 11 New Features on iOS and iPadOS 18 That'll Make Apple Notes Your Go-To Productivity App

Still on the fence about Apple's native Notes app? The latest Notes update for iPhone, iPad, and Mac is about to change your mind. With some fantastic new features and plenty of valuable tools from previous software versions, Notes is becoming a clear winner when it comes to saving important information from your personal and professional life.

How To: Tired of Tapping? Use an External Keyboard on Your iPhone and Unlock Tons of Keyboard Shortcuts

Your iPhone goes with you everywhere, and its touchscreen interface is all you need to navigate and use all your installed iOS apps. But an external keyboard can make your iPhone an even more efficient tool for productivity tasks such as drafting long emails, composing detailed notes, and writing reports in your favorite text editor.

How To: You're Using Lidar on Your iPhone and iPad — And You Don't Even Know It

Lidar, a technology first used by meteorologists and aerospace engineers and then adopted in self-driving vehicles, has slowly crept into consumer electronics over the last five years. If you have a Pro model iPhone or iPad, there's a good chance it has a lidar sensor, and you're likely using it whether you know it or not.

How To: 17 New Accessibility Features Coming to iPhone and iPad with iOS 18 and iPadOS 18

In less than a month, WWDC, Apple's Worldwide Developers Conference, will reveal the company's plans for the upcoming iOS 18 and iPadOS 18 software updates. But we already know what accessibility features will be hitting iPhones and iPads later this year, and many of them will be helpful to everyone, not just users with accessibility issues.

How To: Your iCloud Email Lets You Create Aliases to Protect Your Primary Email Address and Organize Your Inbox

On your iCloud Mail account, you can easily use subaddressing to create hundreds of new iCloud email addresses to give to companies and other parties, all of which go straight to your primary iCloud email address's inbox. The problem with these types of alternative email addresses is that you can't ever respond to emails with the plus tag intact. But Apple has another alternative for you to start using.

How To: Siri Has 15 New Skills for iPhone That Even Siri Haters Will Love

Unlike most of Apple's other apps and services, it's not always obvious when Siri gets new features. Even if you're an avid Siri user, there's no way you can catch them all, especially when half of them aren't even mentioned by Apple anywhere. But that's what we're here for, and this is everything you need to know about Siri in the latest group of features.

How To: The Apple Health Feature Every iPhone Owner Should Be Using (Even if They Don't Like the Health App)

Your iPhone's Health app has a new medications hub that can be a one-stop destination for all the medicine, vitamins, and supplements you're taking. Adding new entries is easy and well worth the effort to get reminders to take your meds, learn about drug interactions, easily share your routine, and track your history to see what is and isn't working for you.

How To: Your iPhone Has a Hidden Text-to-Speech Tool That'll Read Articles, Books, News, and Other Text Out Loud to You

You may prefer reading news stories, web articles, and books on your iPhone over listening to them in spoken form. Still, sometimes it's necessary when driving, walking, cycling, cleaning, working, or performing other activities requiring a little multitasking. To help you out, Apple has a text-to-speech service on your iPhone — you just need to know how to find and set it up.

How To: Make Your iPhone Auto-Delete Old Screenshots So Your Photos App Doesn't Become a Hot Mess

If you're like me, you take more than just a few screenshots throughout the day, and they add up fast on your iPhone. When you snap that many images of the screen, your Photos app's "Screenshots" folder can swell beyond triple digits if you don't manage it, and your "Recents" folder will become a cluttered mess. But there is a trick to keeping screenshots in check, and you can have total control over it.

How To: 13 Tips Every Apple Pencil User Needs to Know for iPad

While it doesn't come with any iPad models out of the box, the Apple Pencil is perhaps the best iPad accessory you can get. It's a powerful writing and drawing tool with an intuitive design and user-friendliness that makes it easy to take notes, draw sketches, mark up documents, and more. And there's a lot you can do with it — some of which you may not have noticed yet.