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How To : Make your own EMF detector for under ten dollars

An EMF detector will help you find invisible electromagnetic fields, and you can make an inexpensive one for under ten dollars. This will only detect the presence of a field, you will need other tools to be able to measure its strength.

How To : Control Your Apple TV with Just Your iPhone

So, you've lost your Apple TV remote. Maybe it's busted. What are you supposed to do now? You could go out and buy a new one, but they're expensive if you have a newer Apple TV with a Siri Remote, and wouldn't you rather spend that money on a movie? You might be without a work ...more

How To : Whistle loudly using your teeth

Never doubt the volume of your whistle again. This video shows you how to whistle loudly using your teeth. You'll learn proper position of your mouth and tongue to be able to make the loudest sound possible. With lots of practice you'll be the only one heard at the local games ...more

How To : Keep Work Emails from Invading Your Free Time

These days, when you're setting up an Android device for the first time, you'll be prompted to add extra email accounts directly to the Gmail app. It's really simple, too—just sign in with your work or exchange account, then emails from those accounts will be mixed in with you ...more

How To : Turn an Old Android Device into a Security Camera

One of the best uses for an old Android device is to turn it into a security webcam that can be accessed over the internet. But most of the time, this is a rather difficult process, because existing apps usually require you to mess around with network settings and configure a ...more

How To : Become a Hacker

Many of our members here at Null Byte are aspiring hackers looking to gain skills and credentials to enter the most-valued profession of the 21st century. Hackers are being hired by IT security firms, antivirus developers, national military and espionage organizations, private ...more

How To : Set Up a Wi-Fi Spy Camera with an ESP32-CAM

The ESP32-CAM is a convenient little camera module with a lot of built-in power, and you can turn one into an inconspicuous spy camera to hide in any room. There's only one issue: it does omit a USB port. That makes it a little harder to program, but with an ESP32-based board, ...more

How To : Make Your iPhone Look & Feel Like Android

The competition between iOS and Android is fierce. Each operating system offers unique and powerful features, so it can be hard to choose which one you want. However, for iPhone users, a little tweaking and some themes can give your iPhone some of the key features and aestheti ...more

How To : Build a DNS Packet Sniffer with Scapy and Python

In my last how-to, we built a man-in-the-middle tool. The aforementioned script only established a man-in-the-middle. Today we'll be building a tool to utilize it. We'll be building a DNS packet sniffer. In a nutshell, this listens for DNS queries from the victim and shows the ...more

How To : Browse Your Mac's Hard Drive Using Your iPhone

When it comes to sharing files between a smartphone and a computer, there are several solutions available for a Windows and Android pairing. But for those of us with Apple devices, the selection of apps in this category isn't quite as great. You can use AirDrop to quickly shar ...more

How To : Use Very Basic AppleScript to Create a Fake Virus

AppleScript is quite an easy scripting language to use. In this guide, I will be showing you several commands. Near the end, I will show how these can be used to create a fake virus that actually does no harm. Of course, this is only one way to use these commands—use your ima ...more

How To : Obtain a blood sample through venipuncture

This medical how-to video gives you tips on obtaining venous blood samples. Follow along and learn how to obtain blood samples with a venipuncture procedure. This procedure is very common in the medical field. To start venipuncture you need to have the needles, vacuum containe ...more

How To : How & Why You Should Change Your iPhone's Name

You might be giving out your name to every stranger you see, and you don't even know it. That iPhone of yours has a name — generally a combination of your first name and device model — and it broadcasts it to others via AirDrop, Personal Hotspot, Bluetooth, Wi-Fi, and other co ...more

How To : Search Public Posts on Facebook

The newer Graph Search in Facebook can help you find friends in specific cities, photos of a particular subject, restaurants that your friends liked, and a whole lot more. One thing it can't help you with just yet is searching public posts on Facebook, which you could do in th ...more

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