Tag Archives: Communication

Accessories and Peripherals, Components, Drones, Robotics

Arduino’s Wire Library: What It Is & How It Works

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The Arduino Wire library is a set of communication features used to learn and write information to and from different units. The library is crucial for DIY initiatives that contain controlling exterior elements akin to sensors, shows, and different microcontrollers. By utilizing a protocol referred to as Inter-Integrated Circuit (I2C), the Wire library drastically reduces the variety of wires required to attach units. The protocol is supported on all Arduino boards, together with the newest Arduino Nano Every model.

The I2C protocol solely requires two wires to attach exterior units. One wire (referred to as serial information or SDA) is chargeable for transferring information, whereas the opposite wire (serial clock or SLC) is used to synchronize the information change through a pulsing sign. Combined, they permit two units to ship and obtain a message utilizing bits of knowledge. Some Arduino boards characteristic the I2C pins somewhere else, and you’ll take a look at the complete {hardware} necessities for all Arduino boards on the Wire Library Reference page.

Space

Everything We Know About SpaceX’s Futuristic New Space Suit

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The EVA’s helmet is 3D-printed and has particular padding parts that home communication mics and stress management valves. The new spacesuit comes with an upgraded visor that rotates and provides a wider area of view. The helmet additionally incorporates a particular show display (heads-up show) and a digital camera to indicate vital data like stress ranges contained in the spacesuit, temperature ranges, and humidity. Moreover, the corporate claims it reduces vibrant glare when astronauts are exterior the spacecraft performing spacewalks.

The exterior material options flame-resistant supplies, with Teflon material and Nomex enjoying a key position. Teflon materials had been additionally part of the spacesuits used for the Apollo missions. NASA’s model of the material is known as Beta Cloth, which is actually ultrafine glass filament used as yarn to make material after which coated with Teflon (polytetrafluoroethylene or PTFE). With a melting level of over 650 levels Centigrade, this materials provided thermal shielding and guarded towards harmful lunar mud for astronauts sporting the A7L house go well with for the Apollo missions.

Subsequent iterations noticed NASA utilizing new supplies like Kevlar, GORE-TEX, and Nomex. Nomex, which can also be utilized in SpaceX’s EVA spacesuit, is a vital aspect of firefighter fits for its flame resistance. Aside from being non-inflammable, Nomex can also be a preferred alternative for making spacesuits owing to its increased ranges of consolation and sturdiness. Notably, the go well with Neil Armstrong wore for his historic moonwalk had each Teflon and Nomex.

Smartphones

What Is NFC On Android & How Can It Make Your Life Easier?

NFC, brief for “near-field communication,” is a protocol that permits your cellphone to learn info from small copper coils wrapped round a microchip. These are referred to as NFC tags, and so they match right into a stamp-sized sticker or different medium, which permits them to be adopted by all the things from cost terminals to door locks. If you’ve got ever tapped a fob in opposition to a reader to entry your condo constructing or workplace, you’ve got possible used NFC earlier than.

The first Android cellphone with NFC, the Samsung Nexus S, was launched in 2010, however the know-how predates it, with the primary cellphone to function NFC being the clunkily named Panasonic P506iC in 2004. It wasn’t till 2014 that the iPhone adopted this early 2000s know-how, however higher late than by no means. Although it has been round for twenty years in cellphones, NFC solely continues to develop its usefulness. Today, most companies settle for NFC funds, as do many mass transit techniques like New York City’s Metro.

Many Android telephones have an NFC reader/author built-in, which permits the person to faucet the again of the cellphone to a different NFC-enabled system, be {that a} cost terminal, door lock, Bluetooth system, or a easy NFC tag.

Technology

5 Useful Raspberry Projects For Your Bedroom

Have you ever discovered your self in a state of affairs the place communication inside your own home felt like a chore? Maybe your mother has to maintain going upstairs to summon you for dinner, otherwise you often must step out of your room to test some issues along with your roommate. It’s fairly the trouble, is not it? This is the place establishing this DIY home intercom may come in useful. This works like some other intercom on the market — you merely push a button and speak, and your message will robotically be performed within the different linked intercoms.

This Raspberry Pi house intercom leverages the capabilities of the open-source Voice over Internet Protocol (VoIP) software program, Mumble. The setup includes working a Mumble server on a house server to facilitate communication, whereas the Mumble shoppers, which would be the ones sending and receiving messages, are put in in a number of locations. For one, it operates on two Raspberry Pi Zero W boards (although technically, the Mumble consumer for headless Raspberry Pi use is named Talkiepi). Another Mumble consumer runs on a PC, so the voice messages might be heard by a headset. There’s additionally an choice to make use of your Android cellphone as an intercom by merely putting in the Plumble app and connecting to the Mumble server.

Hardware necessities for the challenge are minimal. You’d solely want two audio system and two Adafruit Voice Bonnets, one set for every intercom unit. The bonnets already come outfitted with a built-in microphone, a push-to-talk button, and a speaker connection port.

Smartphones

How To Take Long Exposure Photos On Your iPhone

iPhone 14 Pro's back panel Kaspars Grinvalds/Shutterstock

Your iPhone is not only a communication gadget; it is a versatile digital camera, too. With modes like Time-Lapse, Slo-Mo, Cinematic, Portrait, and Pano, your iPhone can click on artistic photos and movies in nearly any state of affairs. However, there’s one hidden mode, relatively a function, that permits you to take lengthy publicity photographs proper from the native Camera app, nevertheless it’s hidden.

For these unfamiliar with the vernacular, lengthy publicity is a photographic approach the place the shutter is left open for an prolonged period to capture as much light as possible. However, when mixed with timed motion, lengthy publicity typically leads to creative photographs that seize the motion of the dynamic components within the body.

By now, you have certainly seen these photographs the place most of what is within the body is crystal clear, besides, say a blurred streak of flowing water or streaks of vibrant gentle on metropolis streets; such photos are captured utilizing the strategy of lengthy publicity. One can obtain the look on skilled cameras by reducing the shutter velocity to a couple seconds. The iPhone has this functionality, nevertheless it’s not abundantly apparent, notably for the informal shutterbug, to know alter the digital shutter velocity. Lucky for you, we’re right here to allow you to in on how one can toggle an extended publicity in your iPhone.

Use Live Photo results

Steps to convert Live Photos to Long Exposure pictures Shikhar Mehrotra/SlashGear

Though you are not capable of take long-exposure photographs manually, using the Live Photo choices will produce the identical impact. Here’s what you have to do.

  1. Launch the Camera app in your iPhone.
  2. Ensure that Live Photos is enabled. If not, faucet the round icon on the high proper nook. You can even swipe up on the display to open extra digital camera settings, choose the Live Photos icon, and set it to “On” as an alternative of “Auto.”
  3. Tap the big shutter (picture-taking) button on the underside of the display and stay as nonetheless as potential.
  4. Once the app takes the image, faucet on the little preview on the backside left nook to open it.
  5. Now hit the Live choice from the dropdown on the high left of the display.
  6. Select “Long Exposure” from the choices. 

This ought to convert the regular-looking picture into a creative, long-exposure image, making use of a dreamy impact on any movement captured in your shot. Once performed, you’ll be able to share this picture together with your family and friends by tapping the Share button and choosing the popular app. Interestingly, you can even apply the impact to any outdated Live Photos you have taken.

However, there are a few third-party apps that present you extra management over the shutter velocity.

Use third-party apps

Screenshots of three third-party camera apps for iPhone App Store

Some applications offer features beyond what the stock Camera app on your iPhone can do. They allow you to manipulate the shutter speed, making taking long-exposure pictures easier. 

For instance, there’s the Slow Shutter Cam ($2.99) by Cogitap Software. It has a number of presets, like Motion Blur and Light Trail, with handbook shutter velocity choice, which will increase/decreases the blurry impact.

For professionals who wish to have full management of the publicity settings, ProCam 8 ($9.99) by Tinkerworks Apps permits RAW photographs. Further, it supplies choices to regulate focussing distance, white steadiness, ISO, shutter velocity, and picture decision.

You may discover some free alternate options on the App Store, however they don’t seem to be as efficient because the paid ones. Even in the event you get one which’s purposeful, prolonged shutter speeds could be locked behind a paywall. For occasion, the Spectre Camera by Lux Optics solely supplies a three-second publicity totally free.

It is vital to notice that the Live Photo impact we have defined within the earlier part ought to be sufficient for many customers. Hence, except you actually wish to click on your star trails photograph a sure manner, there is not any must pay for the third-party apps.

Things to remember whereas clicking lengthy publicity photos

iPhone fixed in a tripod Media Whale Stock/Shutterstock

Third-party apps may unlock slower shutter speeds for capturing higher photographs of metropolis visitors or seascapes, however there’s an opportunity that the outcomes is not going to match the standard supplied by the inventory app. Even if it is designed for a mass market, Apple does no small quantity of R&D to optimize its native purposes so it supplies excellent outcomes for many use instances. Further, many apps depend on software program versus the uncooked picture information to use long-exposure results, therefore, in the event you’re going outdoors of the native purposes, you’ll be able to sometimes anticipate to take care of blurs, coloration shifts, and different unpredictable outcomes. 

On the intense facet, right here are some things you are able to do to enhance the long-exposure photos.

  1. Mount your iPhone on a tripod. Whether you seize by way of the Live Photo methodology or a third-party app, lengthy publicity requires your cellphone to be as steady as potential. Even although you will attempt to stay nonetheless whereas holding the cellphone, the slightest shake or motion can spoil the image. If you do not have a tripod, search for a wall or a floor and relaxation your cellphone towards it. 
  2. If you’ve gotten wired AirPods or an Apple Watch, use the remote shutter feature to keep away from shaking the cellphone whereas hitting the shutter button. Professionals can contemplate buying distant shutter controllers that turn out to be useful whereas clicking long-exposure photos or selfies.
Smartphones

What Is T-Mobile Edge, And Can You Turn It Off?

The leap from 1G’s analog voice communication tech to 2G’s extra superior digital GSM commonplace was large, accommodating a number of customers per frequency band and introducing SMS and MMS. 3G launched monumental enhancements in knowledge switch speeds and voice high quality. This temporary lesson in historical past is so we will perceive the place Edge suits into the image. 

Enhanced Data charges for GSM Evolution (EDGE) is an extension of the 2G community — particularly, 2.75G. By modulating the section of a provider wave utilizing 8PSK encoding, the then-new Edge community not solely boasted increased theoretical speeds of as much as 400 Kbps however, for the primary time, provided customers the power to make use of web knowledge whereas on a name.

Now that we have explored the mysteries behind the Edge community, it would not take a lot to know why your T-Mobile community indicator sometimes drops to the notorious “E” icon. The cause is usually poor 4G or 5G protection, which is when your system robotically switches to the a lot wider frequency of an Edge community. It’s slower however has a lot broader protection.

T-Mobile’s Edge is barely a fallback choice, and your telephone must be again to the cutting-edge 4G or 5G speeds while you’re out of the restricted community protection space. If your system appears caught on Edge or switches to it commonly, we have now some network troubleshooting tips that may help.

Technology

Facebook’s Attempted Twitter-Like Plan Flops, Unlike WeChat

In the world of communication apps, WeChat stands out as a versatile platform that offers a range of features, from messaging and social media to payments and gaming. With over a billion users, WeChat holds its strongest presence in China. Let’s explore the similarities between WeChat and popular apps like Instagram, WhatsApp, Facebook, and Twitter.

At its core, WeChat functions as a messaging app, enabling users to exchange text messages, photos, videos, and engage in voice or video calls with their contacts. Adding new contacts is effortless, as you can save their phone numbers, use their unique user ID, or scan their profile QR code.

WeChat also incorporates social features. Its “Moments” feature allows users to upload photos and videos for their contacts to react to, much like Instagram. Additionally, the “Shake” feature helps users discover and connect with people nearby, similar to dating apps.

Facilitating financial transactions is WeChat Pay, the payment system integrated into the app. Users can make payments by scanning a shopkeeper’s unique WeChat Pay QR code, or vice versa. Furthermore, WeChat enables peer-to-peer payments, allowing users to transfer money to their contacts.

Another unique aspect of WeChat is its vast collection of mini-apps. These mini-apps function within the WeChat ecosystem and cover a wide range of services. Users can book cabs, order food, make travel arrangements, play games, find employment opportunities, and shop online, all without leaving the app.

Technology

Why Your Android Says Attachment Limit Reached (And How To Fix It)

If you’re encountering a file size restriction on your Android device, there’s a simple workaround: enable Rich Communication Services (RCS). This messaging feature for Android is akin to the iMessage app on iPhones. Instead of using SMS/MMS, RCS uses Wi-Fi to bypass the mobile provider. However, RCS may not be available on older Android phones or with carriers that do not support it. Currently, only a few texting apps support RCS.

To enable RCS in Google Messages, follow these steps:

  1. Open the Google Messages app or download it from the Google Play Store if you don’t have it.
  2. Tap the user icon in the top right corner.
  3. Select Messages Settings from the drop-down menu.
  4. Tap the RCS Chats option (listed as Chat Features on some phones).
  5. Toggle on the RCS Chats setting.

If you have a Galaxy smartphone, you can use RCS messaging in Samsung Messages, but the process is a bit more complicated. First, ensure that your carrier supports the advanced messaging feature (RCS) in the Samsung app. To check if it’s enabled:

  1. Open the Samsung Messages app.
  2. Tap the three vertical dots.
  3. Tap Settings.
  4. Look for Chat Settings — if it’s grayed out, it means your carrier doesn’t support RCS in the Samsung app. If it’s not grayed out, RCS is available in Samsung Messages.

By activating RCS, you’ll be able to send files with a file size of up to 100 MB. However, for RCS to work properly, both you and the recipient need to have the feature enabled. Additionally, you might need to disable your phone’s built-in power-saving feature for RCS to function smoothly.