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How To: Detect When a Device Is Nearby with the ESP8266 Friend Detector

Smartphones and other Wi-Fi enabled devices send radio signals called probe frames to locate nearby wireless networks, which makes them easy to track by listening for their unique MAC address. To show how this kind of tracking works, we can program a NodeMCU in Arduino to sniff the air for packets from any device we want to track, turning on an LED when it's detected nearby.

How To: Detect & Classify Wi-Fi Jamming Packets with the NodeMCU

The most common Wi-Fi jamming attacks leverage deauthentication and disassociation packets to attack networks. This allows a low-cost ESP8266-based device programmed in Arduino to detect and classify Wi-Fi denial-of-service attacks by lighting a different color LED for each type of packet. The pattern of these colors can also allow us to fingerprint the tool being used to attack the network.

News: The Pixel 3 Still Has a Circular Polarizer

The Pixel 2 XL had what Google called a circular polarizer to ensure the screen would be visible from any orientation while wearing polarized sunglasses. They made a pretty big deal out of it at their 2017 event, but in 2018, there was no mention of whether or not this feature would return in the Pixel 3. It did.

How To: Root Your OnePlus 5 Using Magisk

Perhaps you've thought about rooting your OnePlus 5, but thought again when you heard SafetyNet would prevent you from using apps like Google Pay, Pokémon GO, or Netflix. Those are valid struggles when you root using traditional methods. There are no such worries when using Magisk, as it masks the fact that your device has been modified.

News: Apple Just Released iOS 12.1 Developer Beta 4 to Testers

Just six days after the release of dev beta 3, developers now have their hands on the fourth iOS 12.1 beta. While Apple has recently followed a lengthy and inconsistent release schedule with its beta software, the company seems to want to keep testers happy with 12.1 — beta 4 might have come less than the standard seven days after beta 3, but at least it's here quickly.

How To: Turn Your Galaxy Note 9 into an iPhone

For some Android users, this guide is sacrilege — but for others, iOS is just an attractive operating system that can be admired without feeling like you've betrayed your own phone. If you're one of those Galaxy Note 9 owners that have peeked across the aisle and desired an interface as clean as the one on the iPhone XS Max, you can configure your Note 9 to look like its rival with some tinkering.

How To: Make Custom Text Tones for Your iPhone Using iTunes

Your iPhone comes packed with a long list of excellent text tones to choose from. Bamboo anyone? Of course, for some of us, stock sounds from 2013 don't cut it anymore. We want customizability, something that's found more on Android than iOS. However, you can add your very own text tones to your iPhone right now, so long as you have a sound file in mind and a computer running iTunes.

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