Install Led Tail Light

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 snif ...more

Apple revealed the new iPhone 6S and 6S Plus at their September 9th event, and there are two particularly awesome features built in just for selfie photogs. The first is 3D Touch, which gives you a quick shortcut to taking selfies just by pressing the screen in a certain way. ...more

Last week, I showed you a peek at the not-yet-released Galaxy S5 Active, the more rugged version of Samsung's current flagship. The man behind those leaks, TK Tech News, has now brought another goodie from the device, and it's one we can have on the Galaxy Note 3. Dubbed Acti ...more

Smartphones are still "phones," which means communicating with others is usually a primary use. Ranging from a simple "hi" to a more personal conversation and even sharing passwords, our messages should remain private so that only the intended recipient sees their content. Whi ...more

The infamous Red Ring of Death plagued the Xbox 360 for years, leading people like me over to the PlayStation 3 console. Now it looks like Sony and its new PlayStation 4 are running into the same problems as Microsoft did. Instead of red, it's blue, and that light could mean ...more

The third developer beta for iOS 13 has been out since July 3, and while devs have had fun exploring all the new features, those of us on the public beta have sat on the sidelines running the public version of dev beta 2. But we don't need to wait any longer, as Apple just rel ...more

On July 3, Apple pushed out iOS 13 developer beta 3 for iPhone, and there's a lot found hidden within. A new FaceTime setting, more Arcade details, full-page scrolling screenshots everywhere, a noise cancellation option in the Control Center, and a new markup tool — and that's ...more

There's no doubt iOS 13 has dominated the talk around the Apple community this month. Since the announcement and release of the first developer beta, we iPhone users have had a treasure trove of new features and changes to explore and discuss. Now the fun continues with iOS 13 ...more

When a new version of iOS comes out, everybody gets caught up in the craze of finding features and playing around with new functionality. But this generally leads to a lack of coverage on the finer aspects of the update—things like bugs, minor tweaks, and pain points that user ...more

One of the downsides to iOS is the lack of a true dark mode. While Apple has offered a workaround, third-party developers have taken it upon themselves to implement dark themes in their apps. While big names like Twitter and Reddit have led the charge for some time, it appears ...more

If you ever imagined turning the surface of your desk into one large augmented computer, well the future might not be far off, my friends. Lampix, the company that transforms any surface into a smart surface, is currently working on a portable and quite fashionable lamp to pro ...more

Using my Nexus 7 tablet as a flashlight to light my path on the way to my room late at night is difficult, and honestly, useless. It doesn't have an LED flash for pictures, so using it as a flashlight is essentially just me brightening the display as high as it can go. If you ...more

Oddly enough, stock Android does not come with a "do not disturb" function out of the box. Samsung has their own version built into to TouchWiz called "Blocking Mode," and Apple has had their "Do Not Disturb" feature since iOS 6, so why is stock Android so late to the game? N ...more

Much like the high volume warning, there are various minute features on Android that users either hate or just find annoying. Thankfully, there are developers out there that sympathize. It may seem frivolous, but one feature that a lot of people want eliminated is the screen w ...more

Vibrate is not as inconspicuous as one might think, which means silent mode is usually the option that many stick to when in class, at work, or anywhere that forbids loud noise. However, when silent mode is on, it can lead to missed calls that could potentially be important o ...more

Last year, Instructables user Horatius.Steam created Dr. Brain, a small computer connected to a model brain that can tell stories and have Skype conversations. But one thing it couldn't do was print, so to solve that problem, he came up with this awesome Steampunk "Ticker Mach ...more

The Pixel 5's beautifully slim and symmetric bezels don't leave much room for extra hardware like a notification LED. But with the Ambient Display feature and an inventive app, you can turn the display cutout for the front-facing camera into an animated notification indicator. ...more

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 ty ...more

Whether you made the switch from iOS, or you came from a different Android device, there's a lot to learn about your new Galaxy device. Samsung does things a bit differently, and thanks to their TouchWiz interface, there are tons of added features to take advantage of—though s ...more

Snapchat parent company Snap took a huge step towards the realm of smartglasses with the third iteration of its camera-equipped Spectacles sunglasses. What set Spectacles 3 apart from previous versions is that it gained a second temple-mounted camera, enabling it to capture d ...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

Unsurprisingly, Google wants to be the caretaker for augmented reality on the web, and its latest move in this endeavor is a 3D model viewer prototype called Article that's designed to work across all web browsers. On traditional desktop PCs and mobile browsers, Article can e ...more

We live in world where it is hard to stay positive all of the time. I know at times it gets hard to see the bright side of things and sometimes you just want to give up and let life pass you by. This kind of thinking is usually indicative of a deeper psychological problem whic ...more

When you send an emoji from your Android device to someone that uses an iPhone, they don't see the same smiley that you do. And while there is a cross-platform standard for emojis, these don't work the same way as unicode-based smilies or dongers, so not every operating system ...more

My first encounter with a phablet was late last year with the AT&T version of the Samsung Galaxy Note 2, having never touched or even seen its highly-acclaimed and pioneering predecessor. Initially, I was a bit overwhelmed by the enormous screen and taken aback by the dated st ...more

While the Samsung Galaxy Note 2 has an integrated LED for notifications, it only works for a few things, like charging and low battery, and it only flashes two main colors (red and blue) when the screen's off. As someone that usually has their phone on silent or vibrate, it's ...more

I've taken a few photography classes back in the day, so I'm pretty confident in my abilities with a DSLR, but my iPhone is a completely different story. Lighting makes all the difference, so unless you're outdoors in the sun, it's hard to take a good snapshot with a mobile. ...more

Doorbells are a great idea. They let you know when someone who's not a burglar is trying to enter your house, apartment, or squat. They eliminate the need for lots of noisy yelling and startling door pounding. The one thing doorbells don't do is to let you know when someone f ...more

A good smartphone can be the perfect workout companion. You have music for motivation, videos for pushing through boring cardio sessions, GPS to keep you on course, and even an array of sensors for gathering data about your workout. But not all phones are created equal when it ...more

The wait wasn't so long this time. Apple released public beta 3 for iOS 13 on Thursday, July 18, just one day after the release of developer beta 4. For context, Apple took five days to seed public beta 2 after releasing dev beta 3, so it's a pleasant surprise that the latest ...more

We're pumped for iOS 13 and all of the fresh features and changes that come with it. Developer beta 3 came with new features in the double digits, including AR eye contact in FaceTime and mouse cursor size customization. Developer beta 4, released today, has a few more additio ...more

Every year, Apple releases a new version of iOS. Each iteration promises new features to make using your iPhone that much better. This year, iOS 13 introduces over 200 new features and changes, including system-wide Dark Mode for the first time on iPhone. That said, you might ...more

The longer it takes Apple, Snapchat, Facebook, and other tech giants to build their own version of augmented reality headsets and smartglasses, the longer runway of practical experience Microsoft gains with the HoloLens and its sequel. The latest example: AR cloning. Count Sa ...more

I don't know about you, but nothing is more annoying than when my phone hits 15% and I'm nowhere near a charger. Not just because I know my phone will die soon, but until I reach a charger, I have to deal with the annoying low battery notification and LED light. Well, with And ...more

Facebook is preparing to make augmented reality experiences for brands more visible in its mobile app with Tuesday's introduction of augmented reality ads in its News Feed. News Feed AR ads will enable advertisers to insert AR camera effects, from virtual product try-ons to p ...more

Tesla founder and CEO Elon Musk offered some insight into how hackers might seek to turn driverless cars into zombie fleets, but remained upbeat about what can be done about it. Speaking at the National Governors Association this weekend, Musk covered a lot of ground when ask ...more

Many phones these days are being manufactured without a notification LED—it's a cost-cutting move, and it's really not an essential component. However, the notification light on Android devices has traditionally alerted users to any missed messages, and this is functionality y ...more

It's been a while when the major web browsers first introduced HTTP Strict Transport Security, which made it more difficult to carry Man In The Middle (MITM) attacks (except IE, as always, which will support HSTS since Windows 10, surprised?). SSLStrip and the HSTS Chronicles ...more

According to a new study, the majority of smartphone users check their devices 150 times a day. While that number may seem incredibly high at first glance, the influx of notifications and amount of social media apps available reduce the initial shock and make the number seem n ...more

Walking the streets at night can be uncomfortably dangerous. In 2010, there were 32,885 motor vehicle deaths in the United States. Of those, roughly 13%, or 4,280, were pedestrians. Two-thirds of those pedestrian deaths occurred at nighttime. Along with darkness, drivers also ...more

An invaluable button on your iPhone can do hundreds, even thousands, of amazing things, but most iPhone users don't even know it exists. You can't push it. You can't click it. You can't press it. But it's the largest button on your iPhone, more powerful than the versatile Side ...more

The impact of the COVID-19 pandemic caused by the novel coronavirus has practically guaranteed that the virus, along with the phrases "social distancing" and "flattening the curve," will rank among the top search terms of 2020. USA Today combined the phrases in its latest augm ...more

I've been using the Galaxy Note 10+ as my daily driver for a while now. I love it, but as with any phone, it loses its pizzazz after a while. But since it's an Android phone, there's always a way to add fresh features and functionality to the UI. The five customization ideas ...more

So the new iPhones have arrived. Like last year, Apple released three iPhones in three different sizes that vary in price and specs. There's the base model iPhone 11, and then there are the real deal, premium models, the iPhone 11 Pro and Pro Max. The iPhone 11 Pro and 11 Pro ...more

Mystery is a tricky thing. Used correctly, it can give onlookers the impression that wondrous and perhaps valuable things are afoot. However, once the veil of suspension of disbelief is removed in any significant way, that same mystery can quickly turn into not just skepticism ...more

We recently ran down several hidden features on the Galaxy S9 — items that are buried deep within the settings menu that can be tricky to find. One thing that many users cannot find is the option for a black navigation bar. Unfortunately, this option does not exist in Samsung' ...more

No matter what your holiday preference, you're probably aware that Christmas is now just days away. By now, you've already decked your halls with boughs of holly (either physically or virtually), thanks to our last holiday app roundup. With that in mind, let's take a look at ...more

Shortly after we detailed several indicators that the Galaxy S8 Oreo Beta Program would begin rolling out in the month of November, we now have a full changelog for the update. Many users on Reddit already found references to the beta in the Samsung+ and Samsung Members app. ...more

Our smartphones are full of personally-identifiable information. So much of what we do with these devices is tracked and recorded to make our experience more streamlined and personalized. For many users, that's a fair trade — but for privacy-minded folks, it's a raw deal. And ...more

Japan is in the process of curbing its aging population and mature workforce. According to The Diplomat, the country's population has been declining at a steady rate. To meet future productivity demands in commercial and industrial sectors, local officials are turning to self- ...more

As Android's de facto virtual assistant, Google Now lets us speak directly to our phones in plain English to answer our questions and perform many basic tasks. With the app open, just say "Okay Google," then wait for the beep, and ask almost any question. But several Google N ...more

HTC's Sense 6 has been out for over a month now with the One M8, and most of you have probably played around with its better known features, like the new Camera app and Harman Kardon audio. As great as those features are, there is still much more to be found underneath the su ...more

In this article, I'll be continuing my series on microcontrollers. If you haven't read part one, I'd recommend heading over there and reading it! So How Does Arduino Think? Arduino is programmed with ones and zeros, but hopefully that's not how we programmers have to write t ...more

With smartphone cameras and software getting better and better every year, more and more users are getting passionate about photography. So when you're shopping for a gift to get someone, if they have a smartphone, chances are they'll more than appreciate some tools and access ...more

Cases and stickers are always great, but they aren't the only way to customize an iPhone. The software on your device is full of customization options, from a better-looking home screen and cooler lock screen wallpapers to app icon changes and a system-wide dark mode. There's ...more

Smartphones have put an end to camcorders. If you want to capture memorable moments in high quality, look no further than that technological marvel in your pocket. Recent Galaxy phones are shining examples of how far we've come — but the more capable a camera gets, the more co ...more

After years of struggling, it appears BlackBerry has finally figured out how to update its iconic design for modern times. The BlackBerry KEY2 pays homage to past devices such as the Bold 9000 while adapting to modern times with the Android OS. The result is a device that migh ...more

Dating websites allow you to see a person in a very intimate context, framing their successes and accomplishments in life to an important audience. The information contained in these profiles often can't be found elsewhere, offering a unique look into the personal life of the ...more

As smartphones become more accessible, billions of people have come to depend on their features for daily life. One of the most important aspects these days is the camera. OEMs have been working for years to improve camera quality, and they seem to have finally figured it out ...more

Last week, augmented reality startup Proxy42 released Father.IO, a multiplayer game that turns any indoor or outdoor space into a laser tag arena. A $40 Bluetooth-connected, infrared sensor-equipped device called the Interceptor converts your standard iPhone or Android smartp ...more