Build a Tattoo Power Supply

The first alarm clock in recorded history can be traced back to ancient Greek philosopher Plato, known for laying the foundations of Western philosophy and science. Plato was said to possess a very large water clock with an alarm signal similar to that of a water organ. Water ...more

Remember the 1960's American television series Batman, with Adam West as Bruce Wayne? It was waaaaay before my time. The caped crusader that I'm more familiar with is actually this one... When I first heard of Adam West, it was him doing the Batusi on The Simpsons. I had no id ...more

The Files app received a big update in iOS 13. Before, it was limited to local and cloud-based files, but now you can access data from external storage devices, including SD cards and USB drives. But before you try to connect your favorite card or drive to your iPhone, there a ...more

Microcontrollers like ESP8266-based boards have built-in Wi-Fi, and that's really cool, but what's even cooler is that certain pro models of the D1 Mini also have a port where you can connect a directional antenna. This can give you exceptional range, but if you were to just p ...more

Ready or not, the USB-C cable is about to take over your electronics. The new industry standard is fully reversible and packed with enough power to serve as a laptop charger or an HDMI cable, so it actually has the potential to replace every cord, wire, and connector in your ...more

Since its creation, Arduino has been growing exponentially more popular as DIY enthusiasts and Makers alike realize its potential. As new versions of the device are released, many easy-to-use peripherals are showing up on the market also. One of the more important features of ...more

Samsung trademarked the name Gear 360 a few weeks ago, and today it has been confirmed that the Gear 360 is a spherical virtual reality camera that will accompany the much-anticipated Galaxy S7. Video: . Samsung's Gear 360 will probably look similar to Project Beyond, but with ...more

Everybody loves the stars. Well, I certainly do. As a child I'd spend hours outside during summer nights marveling at the seemingly endless amount of sparkling dots spanning the sky. Maybe you have children of your own and want to create a sparkle in their eyes, or in your own ...more

If you want to get started sniffing Wi-Fi networks, you usually need to start with a wireless network adapter. But thanks to a Wi-Fi sniffing library written in Arduino and the ultra-cheap ESP8266 chip, you might not need one. For less than $10 in electronics, you can build a ...more

The price of hacking Wi-Fi has fallen dramatically, and low-cost microcontrollers are increasingly being turned into cheap yet powerful hacking tools. One of the most popular is the ESP8266, an Arduino-programmable chip on which the Wi-Fi Deauther project is based. On this ine ...more

Video: . Project Overview Have any old school floppy drives lying around? Get hacking... and transform them into an electronic orchestra! This project uses a myRIO embedded controller and four floppy disk drives. The myRIO effectively plays the disk drives like musical instru ...more

Whether you're performing a factory reset to get your device ready for sale or trade-in, or you're wiping your device in the hopes of fixing software issues, there's a right way and a wrong way to go about it. Sure, it seems like a simple task on the surface, but if you're not ...more

Most of you probably heard about Rasberry Pi and if you haven't; what is wrong with you? But nothing less a Rasberry Pi is a computer a very small computer. Despite these size limitations, the Rasberry Pi is to not be underestimated. Not only can it do anything like a normal l ...more

Wireless charging is pretty much ubiquitous among modern iPhones and Android smartphones, but the technology has brought a lot of clutter with it. If you desire the convenience of wireless charging, you've guaranteed that a charging pad or dock will be ever-present on your en ...more

Don't think because your MacBook is using FileVault disk encryption your device is secure or immune to hackers. Here's how to find out if that FileVault password is strong enough to withstand an attack from a motivated attacker. FileVault, created by Apple in 2003, is a hard ...more

When you don't have a steady cellular signal or immediate Wi-Fi access but need to communicate with others around you, you can set up an off-the-grid voice communications network using a Raspberry Pi and an Android app. There are apps such as Bridgefy that will create a mesh ...more

Windows 10 passwords stored as NTLM hashes can be dumped and exfiltrated to an attacker's system in seconds. The hashes can be very easily brute-forced and cracked to reveal the passwords in plaintext using a combination of tools, including Mimikatz, ProcDump, John the Ripper, ...more

Fireworks are the best part about the Fourth of July and other celebrations, but they can easily cause accidental injuries. It's both safer and more fun to set them off remotely, so we'll hack some standard fireworks with nichrome wire, a relay, and an Arduino to ignite remote ...more

If you want to follow Null Byte tutorials and try out Kali Linux, the Raspberry Pi is a perfect way to start. In 2018, the Raspberry Pi 3 Model B+ was released featuring a better CPU, Wi-Fi, Bluetooth, and Ethernet built in. Our recommended Kali Pi kit for beginners learning e ...more

Surveillance is always a useful tool in a hacker's arsenal, whether deployed offensively or defensively. Watching targets yourself isn't always practical, and traditional surveillance camera systems can be costly, lacking in capabilities, or both. Today, we will use motionEyeO ...more

When hacking into a network during a penetration test, it can sometimes be useful to create your own wireless AP simply by plugging a Pi into an available Ethernet port. With this setup, you have your own backdoor wireless connection to the network in a matter of seconds. Crea ...more

Virtual private networks, or VPNs, are popular for helping you stay anonymous online by changing your IP address, encrypting traffic, and hiding your location. However, common IoT devices, media players, and smart TVs are hard to connect to a VPN, but we have a solution: Turn ...more

Hackers and makers are often grouped under the same label. While hackers draw on computer science skills to write programs and find bugs, makers use electrical engineering to create hardware prototypes from microprocessor boards like the Arduino. We'll exercise both sets of sk ...more

Surveying a target's Wi-Fi infrastructure is the first step to understanding the wireless attack surface you have to work with. Wardriving has been around since the '90s and combines GPS data and Wi-Fi signal data to create accurate, in-depth maps of any nearby Wi-Fi networks ...more

Aircraft equipped with ADS-B are constantly shouting their location into the radio void, along with other useful unauthenticated and unencrypted data. In this guide, we will make an ADS-B receiver using a Raspberry Pi with a software-defined radio (SDR) dongle, which we can us ...more

3D printers allow hackers and makers alike to create something from nothing. They're an incredible technology that lets you build protective cases and covers for gear such as a wardriving phone and Raspberry Pi-Hole. 3D printers can even help you out in a bind when something b ...more

A PirateBox creates a network that allows users to communicate wirelessly, connecting smartphones and laptops even when surrounding infrastructure has been disabled on purpose or destroyed in a disaster. Using a Raspberry Pi, we will make a wireless offline server that hosts f ...more

In the recent hit movie Furious 7, the storyline revolves around the acquisition of a hacking system known as "God's Eye" that is capable of finding and tracking anyone in real time. Both the U.S. spy agencies and an adversarial spy agency (it's not clear who the adversary is, ...more

On June 23, National Geographic will begin welcoming visitors to the world's first outdoor planetarium in Quebec, Canada, where an augmented reality experience overlaid on the night sky will replace the projection systems of traditional facilities. Visitors at Québec's Observ ...more

If waveguide display maker DigiLens has its way, enterprise businesses and consumers will soon be able to purchase smartglasses for less than $500 — as long as they can supply their own computing and battery power. On Monday, the company unveiled DigiLens Crystal, a reference ...more

What's the first thing you would do once you realized you were lost in, say, a desert? If you're like me, you would immediately pull out your cell phone and start dialing every number. But what if you have no service? What if your battery is dead? If you make this survival so ...more

After learning that you'll need to spend at least $74 on a special charger and a USB Type-C Lightning cable to enable fast charging on the new iPhone X and iPhone 8 models, you may be wondering why you can't just use the standard Lightning cable. While we can't answer why Appl ...more

Besides the Apple vs. Samsung competition, few battles are as vocal as the battle between the best Pixel and best iPhone. This year, it's the Pixel 3 XL and iPhone XS Max, two phones that are equipped with minor hardware updates from their predecessors, though both showcase si ...more

The last quarter of 2017 brought us some downright excellent smartphones. Between the iPhone X, Pixel 2, and Note 8, consumers have more fantastic options than ever when choosing a new device. It's now the perfect opportunity for Samsung to set the tone for 2018 smartphones wi ...more

Over the past decade, Marvel Studios has been a dominant force at the box office, raking in more than $21 billion dollars. Averaged out over that span of time, the yearly earnings of those movies outweigh the gross domestic product of some countries. And while those films hav ...more

It hasn't been long since Apple released iOS 16.0 with over 350 new features, but iOS 16.1 just came out with even more cool updates for your iPhone. While some of the recent upgrades were expected, others are somewhat surprising — and there's even one that you may not even th ...more

Fire.  It’s everywhere— always has been.  From the Ordovician Period where the first fossil record of fire appears to the present day everyday uses of the Holocene.  Today, we abundantly create flames (intentionally or unintentionally) in power plants, extractive metallurgy, i ...more

Thanks to online music services like eMusic and iTunes, compact discs are becoming a far distant memory, turning local music shops around the country into desolate wastelands. The once mighty movie rental store Blockbuster is now bankrupt because of online streaming services l ...more

Remember the arcades? Were you saddened when they closed up one by one, leaving no outlet to actually go out and socialize while you played video games? With all the home consoles and internet connectivity, gaming has evolved, but the social factor has been eliminated. Sure we ...more

This article is a guide for making Chainmail Armor from start (simple wire) to finish (a finished chainmail shirt). We will be using the European 4 in 1 weave, as this is the most common weave. This is the weave that you usually see in movies. There are several sections to thi ...more

I am writing this quick post in response to the recent earthquakes and tsunamis that are affecting Japan. As soon as the news broke, and we began to hear of tsunami warning for our area, I immediately realized how under prepared I was for a natural disaster. The thing that dro ...more

The Motorola XOOM was just released last week to Android-hungry fans waiting the next best thing to Apple's iPad. But should it have been released, considering Verizon's switching to the 4G LTE network soon? From what I saw across Android forums, yes—because most could not wa ...more

Some of the most popular cellular devices on the market today are the iPhone 4 and 4S models. Seeing as they are made of glass, it's not uncommon for the back panel to break. Also, with the popularity being so high, you might just be looking for a way to set your device apart ...more

Live in the future (à la Star Trek, circa 1966) with uiproductions' pneumatic air-powered sliding door: "I always wanted a piece of Star Trek and the Disney Monorail in my house, and one thing they have in common is that they both have automatic sliding doors. It would be the ...more

Thinking of planning a trip to India? Better wait 'til next year. Holi, the festival of colors, looks absolutely breathtaking. Via Boston.com: "Last Monday (March 1st), people in India and other countries with large Hindu populations celebrated Holi, the Festival of Colors. ...more

Survive 25 waves of monsters by managing limited supplies and hidden treasures in this map powered by redstone!