Frequency Search Results

How To: Listen to Radio Conversations on Android with an RTL-SDR Dongle & OTG Adapter

Everyone from first responders to hotel cleaning staff use radios operating in the sub-megahertz range to communicate, often without even encoding the transmission. While encoding and encryption are increasingly used in radio communication, an RTL-SDR adapter and smartphone are all it takes to start listening in on radio conversations happening around you.

ElementalX: The Only Custom Kernel You Need on Your Nexus 5

Straight out of the box, the Nexus 5 is an awesome device, but even it can be faster with better battery life. Luckily, one of the things that makes it so awesome is that there are tons of developers creating mods for it, since it runs stock Android by default. When it comes to gaining speed and better battery life, flashing a custom kernel is the way to go.

How To: Parallel Programming with OpenMP: A Quick Introduction

As many of you know, processor's clock frequency improvement got stuck in about 2003, causing the origin of multicore CPU (and other technologies). In this article I'll introduce you on how to run code simultaneously in various processors (I suppose that all of you have a multicore CPU). When you write code without any parallel directive, it only executes in one CPU at the same time (see it below). OpenMP make simple to work with various cores (if not with all of them) , without so much heada...

How To: Rotate Wallpapers on Your iPhone to Photo Shuffle All Your Favorite Pics by Tap, Lock, Hour, or Day

Your iPhone has plenty of already-created Apple wallpapers just waiting for you to set as your Lock Screen and Home Screen backgrounds. But using a photo from your own library can provide a more emotional connection, help you express yourself better, and give your phone a more unique look. To maximize these effects, auto-rotate your personal images daily, hourly, when locked, or when tapped.

How To: Clean Up Android's Cluttered Share Menu

The share menu is a vital part of Android that lets you send data between between apps. Many of your favorite apps support the feature, including the new Direct Share sub-menu, which can lead to a messy share menu. However, there are a number of tools to clean up this clutter, three of which don't require root.

How To: The Hardware Hacker's Introduction to Microcontrollers, Part One: Anatomy of an Arduino

In this article, I'll be explaining the basics of how microcontrollers work, physically and virtually. First off, microcontrollers are no simple thing, so don't be discouraged if you find it mind-boggling! The world of microcontrollers is fascinating, engaging, and an awesome hobby; it never gets boring. I'll be focusing more on I/O and analog based microcontrollers, such as those running Arduino, and using Atmel chips as examples (these are most commonly available, and easy to program).

How To: The Best Video Recording Apps for Your iPhone

If you have a modern iPhone, you have an excellent video recorder at your disposal. Every iPhone since the 6S has the ability to shoot in 4K resolution, and each new iteration has brought new capabilities to the table. But even the best mobile shooter can use a little extra help. That's where these video recording apps come into play, to ensure the footage you capture is as good as can be.

How To: 12 April Fool's Day Pranks for Your Smartphone-Addicted Family & Friends

April Fool's Day, aka National Screw with Your Friends Day, is finally here. You can always pull a conventional prank, like strategically placing a whoopee cushion on your mom's chair, but that joke has been exhausted generations before smartphones were around. We live in a day and age where smack cam is the new level of pranking, so it's time to step your game up, novices.

How to Hack Wi-Fi: Getting Started with Terms & Technologies

Welcome back, my hacker trainees! A score of my readers have been begging for tutorials on how to hack Wi-Fi, so with this article, I'm initiating a new series dedicated to Wi-Fi hacks. This will probably be around 6-9 articles, starting with the basics of the technologies. I can hear you all groan, but you need to know the basics before you get into more advanced hacking. Then hopefully, developing your own hacks.

How To: DIY Flanagan Neurophone Lets You 'Hear' Sounds Through Your Skin

In 1958, Patrick Flanagan invented the Neurophone, a device patented in 1962 that allows radio signals to be picked up by the human nervous system. The skin is the organ that receives the signal, converting it into a modulated molecular vibration, which the brain interprets into sound. Basically, it gives one the ability to 'hear' through the skin, making it sound like the audio you're hearing is actually in your head. It's kind of like having headphones in your brain. The only problem was th...