Electronics
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Electronics
Electronics is the application of devices controlling the flow of electrons, and is considered to have been started with the invention of the vacuum tube

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This article is about the technical field of electronics. For personal/home-use electronic devices, see consumer electronics. For the scientific magazine, see Electronics (magazine). This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. (July 2012) (Learn how and when to remove this template message) Surface-mount electronic components

Electronics[1] is the application of devices controlling the flow of electrons, and is considered to have been started with the invention of the vacuum tube, which could amplifify and rectify small electrical signals and was crucial to the rapid development of radio. [2][3] It is considered to be a branch of physics and electrical engineering.[4][5]

Electronics deals with electrical circuits that involve active electrical components such as vacuum tubes, transistors, diodes, integrated circuits, optoelectronics, and sensors, associated passive electrical components, and interconnection technologies. Commonly, electronic devices contain circuitry consisting primarily or exclusively of active semiconductors supplemented with passive elements; such a circuit is described as an electronic circuit.

The nonlinear behaviour of active components and their ability to control electron flows makes amplification of weak signals possible. Electronics is widely used in information processing, telecommunication, and signal processing. The ability of electronic devices to act as switches makes digital information processing possible. Interconnection technologies such as circuit boards, electronics packaging technology, and other varied forms of communication infrastructure complete circuit functionality and transform the mixed components into a regular working system.

Electrical and electromechanical science and technology deals with the generation, distribution, switching, storage, and conversion of electrical energy to and from other energy forms (using wires, motors, generators, batteries, switches, relays, transformers, resistors, and other passive components). This distinction started around 1906 with the invention by Lee De Forest of the triode, which made electrical amplification of weak radio signals and audio signals possible with a non-mechanical device. Until 1950 this field was called "radio technology" because its principal application was the design and theory of radio transmitters, receivers, and vacuum tubes.

Today, most electronic devices use semiconductor components to perform electron control. The study of semiconductor devices and related technology is considered a branch of solid-state physics, whereas the design and construction of electronic circuits to solve practical problems come under electronics engineering. This article focuses on engineering aspects of electronics.

Contents
  • 1 Branches of electronics
  • 2 Electronic devices and components
  • 3 History of electronic components
  • 4 Types of circuits
    • 4.1 Analog circuits
    • 4.2 Digital circuits
  • 5 Heat dissipation and thermal management
  • 6 Noise
  • 7 Electronics theory
  • 8 Electronics lab
  • 9 Computer aided design (CAD)
  • 10 Packaging methods
  • 11 Electronic systems design
  • 12 See also
  • 13 References
  • 14 Further reading
  • 15 External links
Branches of electronics

Electronics has branches as follows:

  1. Digital electronics
  2. Analogue electronics
  3. Microelectronics
  4. Circuit design
  5. Integrated circuits
  6. Power electronics
  7. Optoelectronics
  8. Semiconductor devices
  9. Embedded systems
Electronic devices and components Electronics Technician performing a voltage check on a power circuit card in the air navigation equipment room aboard the aircraft carrier USS Abraham Lincoln (CVN 72). Main article: Electronic component

An electronic component is any physical entity in an electronic system used to affect the electrons or their associated fields in a manner consistent with the intended function of the electronic system. Components are generally intended to be connected together, usually by being soldered to a printed circuit board (PCB), to create an electronic circuit with a particular function (for example an amplifier, radio receiver, or oscillator). Components may be packaged singly, or in more complex groups as integrated circuits. Some common electronic components are capacitors, inductors, resistors, diodes, transistors, etc. Components are often categorized as active (e.g. transistors and thyristors) or passive (e.g. resistors, diodes, inductors and capacitors).[6]

History of electronic components Further information: History of electronic engineering and Timeline of electrical and electronic engineering

Vacuum tubes (Thermionic valves) were among the earliest electronic components.[7] They were almost solely responsible for the electronics revolution of the first half of the twentieth century.[8][9] They took electronics from parlor tricks and gave us radio, television, phonographs, radar, long-distance telephony and much more. They played a leading role in the field of microwave and high power transmission as well as television receivers until the middle of the 1980s.[10] Since that time, solid-state devices have all but completely taken over. Vacuum tubes are still used in some specialist applications such as high power RF amplifiers, cathode ray tubes, specialist audio equipment, guitar amplifiers and some microwave devices.

In April 1955, the IBM 608 was the first IBM product to use transistor circuits without any vacuum tubes and is believed to be the first all-transistorized calculator to be manufactured for the commercial market.[11][12] The 608 contained more than 3,000 germanium transistors. Thomas J. Watson Jr. ordered all future IBM products to use transistors in their design. From that time on transistors were almost exclusively used for computer logic and peripherals.

Types of circuits

Circuits and components can be divided into two groups: analog and digital. A particular device may consist of circuitry that has one or the other or a mix of the two types.

Analog circuits Main article: Analog electronics Hitachi J100 adjustable frequency drive chassis

Most analog electronic appliances, such as radio receivers, are constructed from combinations of a few types of basic circuits. Analog circuits use a continuous range of voltage or current as opposed to discrete levels as in digital circuits.

The number of different analog circuits so far devised is huge, especially because a 'circuit' can be defined as anything from a single component, to systems containing thousands of components.

Analog circuits are sometimes called linear circuits although many non-linear effects are used in analog circuits such as mixers, modulators, etc. Good examples of analog circuits include vacuum tube and transistor amplifiers, operational amplifiers and oscillators.

One rarely finds modern circuits that are entirely analog. These days analog circuitry may use digital or even microprocessor techniques to improve performance. This type of circuit is usually called "mixed signal" rather than analog or digital.

Sometimes it may be difficult to differentiate between analog and digital circuits as they have elements of both linear and non-linear operation. An example is the comparator which takes in a continuous range of voltage but only outputs one of two levels as in a digital circuit. Similarly, an overdriven transistor amplifier can take on the characteristics of a controlled switch having essentially two levels of output. In fact, many digital circuits are actually implemented as variations of analog circuits similar to this example—after all, all aspects of the real physical world are essentially analog, so digital effects are only realized by constraining analog behavior.

Digital circuits Main article: Digital electronics

Digital circuits are electric circuits based on a number of discrete voltage levels. Digital circuits are the most common physical representation of Boolean algebra, and are the basis of all digital computers. To most engineers, the terms "digital circuit", "digital system" and "logic" are interchangeable in the context of digital circuits. Most digital circuits use a binary system with two voltage levels labeled "0" and "1". Often logic "0" will be a lower voltage and referred to as "Low" while logic "1" is referred to as "High". However, some systems use the reverse definition ("0" is "High") or are current based. Quite often the logic designer may reverse these definitions from one circuit to the next as he sees fit to facilitate his design. The definition of the levels as "0" or "1" is arbitrary.

Ternary (with three states) logic has been studied, and some prototype computers made.

Computers, electronic clocks, and programmable logic controllers (used to control industrial processes) are constructed of digital circuits. Digital signal processors are another example.

Building blocks:

  • Logic gates
  • Adders
  • Flip-flops
  • Counters
  • Registers
  • Multiplexers
  • Schmitt triggers

Highly integrated devices:

  • Microprocessors
  • Microcontrollers
  • Application-specific integrated circuit (ASIC)
  • Digital signal processor (DSP)
  • Field-programmable gate array (FPGA)
Heat dissipation and thermal management Main article: Thermal management of electronic devices and systems

Heat generated by electronic circuitry must be dissipated to prevent immediate failure and improve long term reliability. Heat dissipation is mostly achieved by passive conduction/convection. Means to achieve greater dissipation include heat sinks and fans for air cooling, and other forms of computer cooling such as water cooling. These techniques use convection, conduction, and radiation of heat energy.

Noise Main article: Electronic noise

Electronic noise is defined[13] as unwanted disturbances superposed on a useful signal that tend to obscure its information content. Noise is not the same as signal distortion caused by a circuit. Noise is associated with all electronic circuits. Noise may be electromagnetically or thermally generated, which can be decreased by lowering the operating temperature of the circuit. Other types of noise, such as shot noise cannot be removed as they are due to limitations in physical properties.

Electronics theory Main article: Mathematical methods in electronics

Mathematical methods are integral to the study of electronics. To become proficient in electronics it is also necessary to become proficient in the mathematics of circuit analysis.

Circuit analysis is the study of methods of solving generally linear systems for unknown variables such as the voltage at a certain node or the current through a certain branch of a network. A common analytical tool for this is the SPICE circuit simulator.

Also important to electronics is the study and understanding of electromagnetic field theory.

Electronics lab Main article: Electronic circuit simulation

Due to the complex nature of electronics theory, laboratory experimentation is an important part of the development of electronic devices. These experiments are used to test or verify the engineer’s design and detect errors. Historically, electronics labs have consisted of electronics devices and equipment located in a physical space, although in more recent years the trend has been towards electronics lab simulation software, such as CircuitLogix, Multisim, and PSpice.

Computer aided design (CAD) Main article: Electronic design automation

Today's electronics engineers have the ability to design circuits using premanufactured building blocks such as power supplies, semiconductors (i.e. semiconductor devices, such as transistors), and integrated circuits. Electronic design automation software programs include schematic capture programs and printed circuit board design programs. Popular names in the EDA software world are NI Multisim, Cadence (ORCAD), EAGLE PCB and Schematic, Mentor (PADS PCB and LOGIC Schematic), Altium (Protel), LabCentre Electronics (Proteus), gEDA, KiCad and many others.

Packaging methods Main article: Electronic packaging

Many different methods of connecting components have been used over the years. For instance, early electronics often used point to point wiring with components attached to wooden breadboards to construct circuits. Cordwood construction and wire wrap were other methods used. Most modern day electronics now use printed circuit boards made of materials such as FR4, or the cheaper (and less hard-wearing) Synthetic Resin Bonded Paper (SRBP, also known as Paxoline/Paxolin (trade marks) and FR2) - characterised by its brown colour. Health and environmental concerns associated with electronics assembly have gained increased attention in recent years, especially for products destined to the European Union, with its Restriction of Hazardous Substances Directive (RoHS) and Waste Electrical and Electronic Equipment Directive (WEEE), which went into force in July 2006.

Electronic systems design Main article: Systems engineering

Electronic systems design deals with the multi-disciplinary design issues of complex electronic devices, such as mobile phones and computers. The subject covers a broad spectrum, from the design and development of an electronic system (new product development) to assuring its proper function, service life and disposal.[14] Electronic systems design is therefore the process of defining and developing complex electronic devices to satisfy specified requirements of the user.

See also
  • Book: An introduction to electronics
  • Electronics portal
  • Outline of electronics
  • Atomtronics
  • Audio engineering
  • Broadcast engineering
  • Computer engineering
  • Electronic engineering
  • Electronics engineering technology
  • Fuzzy electronics
  • Index of electronics articles
  • List of mechanical, electrical and electronic equipment manufacturing companies by revenue
  • Marine electronics
  • Power electronics
  • Robotics
References
  1. ^ "the definition of electronics". Dictionary.com. Retrieved 2018-03-17. 
  2. ^ J.Summerscale (ed.) (1965). "The Penguin Encyclopedia", Penguin Books, Harmondsworth, UK.
  3. ^ Macksey, Kenneth; Woodhouse, William (1991). "Electronics". The Penguin encyclopedia of modern warfare: 1850 to the present day. Viking. p. 110. ISBN 978-0-670-82698-8. The electronics age may be said to have been ushered in with the invention of the vacuum diode valve in 1902 by the Briton John Fleming (himself coining the word 'electronics'), the immediate application being in the field of radio. 
  4. ^ "Electronics, Encyclopædia Britannica". Encyclopædia Britannica. September 2016. Archived from the original on 11 October 2016. 
  5. ^ "Electronics definition, Oxford Dictionary". Oxford University Press. February 2017. Archived from the original on 22 February 2017. 
  6. ^ Power Electronics and Variable Frequency Drives: Technology and Applications - Wiley Online Library. doi:10.1002/9780470547113. 
  7. ^ Guarnieri, M. (2012). "The age of vacuum tubes: Early devices and the rise of radio communications". IEEE Ind. Electron. M. 6 (1): 41–43. doi:10.1109/MIE.2012.2182822. 
  8. ^ Guarnieri, M. (2012). "The age of vacuum tubes: the conquest of analog communications". IEEE Ind. Electron. M. 6 (2): 52–54. doi:10.1109/MIE.2012.2193274. 
  9. ^ Guarnieri, M. (2012). "The age of Vacuum Tubes: Merging with Digital Computing". IEEE Ind. Electron. M. 6 (3): 52–55. doi:10.1109/MIE.2012.2207830. 
  10. ^ Sōgo Okamura (1994). History of Electron Tubes. IOS Press. p. 5. ISBN 978-90-5199-145-1. Archived from the original on 31 December 2013. Retrieved 5 December 2012. 
  11. ^ Bashe, Charles J.; et al. (1986). IBM's Early Computers. MIT. p. 386. 
  12. ^ Pugh, Emerson W.; Johnson, Lyle R.; Palmer, John H. (1991). IBM's 360 and early 370 systems. MIT Press. p. 34. ISBN 0-262-16123-0. 
  13. ^ IEEE Dictionary of Electrical and Electronics Terms ISBN 978-0-471-42806-0
  14. ^ J. Lienig; H. Bruemmer (2017). Fundamentals of Electronic Systems Design. Springer International Publishing. p. 1. ISBN 978-3-319-55839-4. 
Further reading
  • The Art of Electronics ISBN 978-0-521-37095-0
External links Wikibooks has more on the topic of: Electronics Wikibooks has a book on the topic of: Electrical_engineering Wikisource has original text related to this article: Category:Electronics Wikiversity has learning resources about School:Electronics Wikimedia Commons has media related to Electronics.
  • Electronics at Curlie (based on DMOZ)
  • http://www.dictionary.com/browse/electronics
  • Navy 1998 Navy Electricity and Electronics Training Series (NEETS)
  • DOE 1998 Electrical Science, Fundamentals Handbook, 4 vols.
    • Vol. 1, Basic Electrical Theory, Basic DC Theory
    • Vol. 2, DC Circuits, Batteries, Generators, Motors
    • Vol. 3, Basic AC Theory, Basic AC Reactive Components, Basic AC Power, Basic AC Generators
    • Vol. 4, AC Motors, Transformers, Test Instruments & Measuring Devices, Electrical Distribution Systems
Authority control
  • BNF: cb11934822z (data)
  • GND: 4014346-6
  • LCCN: sh85042383
  • NARA: 10640812
  • NDL: 00561449



Fire TV Stick with Alexa Voice Remote | Streaming Media Player
Fire TV Stick with Alexa Voice Remote | Streaming Media Player
Fire TV Stick connects your HDTV to a world of online entertainment. Stream a massive selection of movies and TV episodes from Netflix, Amazon Video, Hulu, and more, and easily find and control content with the Alexa Voice Remote. Plus, get universal search results across top apps, and enjoy live sports, music, photos, games, and more. Just plug Fire TV Stick into your HDTV and start streaming in minutes. Use the included Alexa Voice Remote to find the best way to watch across more than 190 channels and apps with universal search. With the fastest Wi-Fi and most accurate voice search of any streaming media stick, shows and movies start faster and stream smoother than ever. With access to Netflix, Hulu, HBO NOW, Amazon Video, and more—there are over 500,000 TV episodes and movies ready to stream. Watch live TV (including sports and news) as it happens. Directly access millions of websites such as YouTube, Facebook, and Reddit with browsers like Silk and Firefox. Subscription fees may apply. Your Alexa Voice Remote can easily find, launch, and control content. Simply say, “Alexa, find suspense thrillers” and Alexa will show you results. Alexa, the brain behind Amazon Echo, doesn't stop there. Just press the microphone button and ask to play music from Pandora, order a pizza from Domino's, shop for popcorn and snacks, and more. Plus, Alexa on Fire TV is always getting smarter. With newly expanded voice control in apps like Bravo, CBS All Access, Hulu, NBC, PlayStation Vue, and SHOWTIME, Alexa can help you do even more. Use your voice to search, control playback, and even change the channel within supported apps. You can also pair Fire TV and Echo devices, allowing you to control your Fire TV with Alexa. Just ask Alexa to play and search for movies and TV shows, launch apps, and control playback from over 190 apps and channels on your Fire TV.  No cable? No problem. Watch live TV with subscriptions to Hulu, PlayStation Vue, Sling TV, and others, or use an indoor HD antenna connected directly to your TV to get broadcast networks like NBC and PBS for free. Even better with Prime Prime membership unlocks thousands more movies and TV episodes through Prime Video, including Thursday Night Football and Amazon Original Series like The Tick, The Grand Tour, Mozart in the Jungle, and Just Add Magic. Prime members can also add premium channels like HBO, SHOWTIME, and STARZ-no cable or satellite subscription necessary. Only pay for the channels you want to watch, with prices starting as low as $2.99 a month-and you can cancel anytime. Each channel starts with a free trial, so it's easy to discover new favorites.Take your TV with you Never miss an episode when you're away from home. Fire TV Stick works with any HDTV so you can take it over to a friend's house or bring it along to hotels and dorm rooms. Just plug and play anywhere - all you need is a Wi-Fi connection. Some content not available in all countries. Entertain your way Millions of songs are available to stream on Fire TV Stick through Pandora, Amazon Music, and iHeartRadio. Just press the microphone button on the Alexa Voice Remote and say what you'd like to hear next. Plus, watch videos from Facebook, Vevo, and Vimeo.

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Echo Dot (2nd Generation) - Smart speaker with Alexa - Black
Echo Dot (2nd Generation) - Smart speaker with Alexa - Black
Echo Dot is a hands-free, voice-controlled device with a small built-in speaker—it can also connect to your speakers or headphones over Bluetooth or through a 3.5 mm audio cable to deliver stereo sound to the speakers you choose. Dot connects to the Alexa Voice Service to play music, provide information, news, sports scores, weather, and more—instantly. Echo Dot can hear you from across the room, even while music is playing. When you want to use Echo Dot, just say the wake word "Alexa" and Dot responds instantly. If you have more than one Echo or Echo Dot, Alexa responds intelligently from the Echo device you're closest to with ESP (Echo Spatial Perception). Sleek and compact design makes Echo Dot a convenient addition to any room in the house. With its built-in speaker, you can place Dot in the bedroom and use it as a smart alarm clock that can also turn off your lights. Or use Dot in the kitchen to easily set timers and shop tens of millions of Amazon products using just your voice. Echo Dot can also directly connect to speakers using a 3.5 mm stereo cable or using Bluetooth to add voice control to your home stereo system in the living room or den. Echo Dot provides hands-free voice control for Amazon Music—just ask for your favorite artist or song, or request a specific genre or mood. You can also search for music by lyrics, when a song or album was released, or let Alexa pick the music for you. Echo Dot also provides hands-free voice control to Pandora, Spotify, iHeartRadio, and TuneIn. Hands-free calling and messaging With Echo Dot, you can talk to almost anyone hands-free—no tapping or searching required. Use the Drop In feature when you want to connect instantly with compatible Echo devices in your home. For example, you can ask someone for help with a chore, or remind the kids to go to sleep—without having to raise your voice. With Alexa Announcements you can also use Echo Dot to broadcast a quick, one-way message to all other Echo devices in your home. Making calls with Alexa is easy. Your contacts will see your number when they receive the call so they know who is calling. Set up your voice profile and teach Alexa to recognize your voice. When you say, "Alexa, call Mom", Alexa will call your mom, even if you have multiple users in your home. Additionally, you can send messages via voice or text to anyone with a supported Echo device or the Alexa App. Voice control your smart home Use Echo Dot to switch on the lamp before getting out of bed, turn up the thermostat while reading in your favorite chair, or dim the lights from the couch to watch a movie—all without lifting a finger...or even raising your voice. Echo Dot works with smart home devices such as lights, switches, fans, thermostats, garage doors, sprinklers, and more from Philips Hue, TP-Link, ecobee, WeMo, SmartThings, Insteon, Lutron, Nest, Wink, Honeywell, and more. Far-field voice recognition Tucked under the light ring is an array of seven microphones that use beam-forming technology and enhanced noise cancellation. With a more powerful processor, the all-new Echo Dot has improved wake-word performance to hear you ask a question from any direction—even in noisy environments or while playing music. When you want to use Echo Dot, simply say the wake word, "Alexa," and Dot lights up and streams audio to the cloud, where the Alexa Voice Service is leveraged to recognize and respond to your request instantly. Always getting smarter Alexa—the brain behind Echo Dot—is built in the cloud, so it is always getting smarter. The more you use Dot, the more it adapts to your speech patterns, vocabulary, and personal preferences. And because Echo Dot is always connected, updates are delivered automatically. Just in the last few months we've added Amazon order tracking, repeating alarms, and thousands of new skills from third-party developers. Echo Dot has skills Skills add even more capabilities like ordering a pizza from Domino's, requesting a ride from Uber, tracking your fitness with Fitbit, ordering flowers from 1-800-Flowers, and more. Enabling skills lets your Echo Dot do even more—simply discover skills you want to use in the Alexa App. To enable a new skill, just ask Alexa. New skills are being added all the time. You can also see ratings and reviews to learn what other customers are saying about the thousands of skills available in the Alexa App. Do More with the Alexa App With the free Alexa App on Fire OS, Android, iOS, and desktop browsers, you can easily setup and manage your Echo Dot. Use the Alexa App to connect services you already use like Spotify, Pandora, and Google Calendar. Setup your smart home devices from Philips Hue, TP-Link, ecobee, WeMo, SmartThings, Insteon, Nest, Lutron, and more. See which books are available to read from your Kindle and Audible libraries. View shopping and to-do lists while on the go. Control your timers and set custom tones for your alarms, and much more. The Alexa App is also where you discover third-party skills.

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Fire TV with 4K Ultra HD and Alexa Voice Remote (Pendant Design) | Streaming Media Player
Fire TV with 4K Ultra HD and Alexa Voice Remote (Pendant Design) | Streaming Media Player
Fire TV connects you to a world of entertainment. With a compatible 4K Ultra HD and High Dynamic Range (HDR) TV, watch as thousands of movies and TV episodes come to life in vibrant colors and detailed contrast. Find your favorites with universal voice search across more than 190 integrated channels and apps or discover new content with personalized recommendations on the home screen. Watch what you want Watch over 500,000 movies and TV episodes from Netflix, Prime Video, Hulu, HBO, SHOWTIME, STARZ, and more. On Fire TV, it’s never been easier to access thousands of 4K Ultra HD movies and TV episodes from Netflix, Prime Video, and more. Enjoy live TV, including sports and news, as it airs. Directly access millions of websites such as YouTube, Facebook, and Reddit with browsers like Silk and Firefox. Plus, stream millions of songs through Prime Music, Spotify, and iHeartRadio. Subscription fees may apply. Say it. Play it. Your Alexa Voice Remote can easily find, launch, and control content. Simply press and say, “Alexa, find suspense thrillers” and Alexa will show you results. For hands-free control, pair Fire TV with your favorite Echo device and Alexa will hear you from across the room using far-field voice recognition.Plus, Alexa on Fire TV is always getting smarter. With newly expanded voice control in apps like Bravo, CBS All Access, Hulu, NBC, PlayStation Vue, and SHOWTIME, Alexa can help you do even more. Use your voice to search, control playback, and even change the channel within supported apps.  Immersive entertainment Enjoy stunning 4K Ultra HD streaming at up to 60 fps and HDR enabling more vivid, lifelike colors and exceptional clarity. Feel scenes come to life with three-dimensional Dolby Atmos audio when connected to compatible home audio systems. Go beyond streaming Use Alexa on your Fire TV to view camera feeds, control lights, thermostats, and other compatible smart home devices with your Alexa Voice Remote. Plus, play music, check the weather, listen to the news and more—just ask. Better with Prime Prime membership unlocks thousands more movies and TV episodes through Prime Video, including Thursday Night Football and Amazon Original Series like The Tick, The Grand Tour, Mozart in the Jungle, and Just Add Magic. Prime members can also add premium channels like HBO, SHOWTIME, and STARZ—no cable or satellite subscription necessary. Only pay for the channels you want to watch, with prices starting as low as $2.99 a month—and you can cancel anytime. Each channel starts with a free trial, so it's easy to discover new favorites. No cable? No problem. Watch live TV through Fire TV with subscriptions to Hulu, PlayStation Vue, Sling TV, and others, or use an indoor HD antenna connected directly to your TV to get broadcast networks like NBC and PBS for free. Simple, fast, and fluid Simply plug into your HDTV's HDMI port and connect to the internet via Wi-Fi or the optional Amazon Ethernet Adapter to start enjoying your favorite content. With an ultra-fast 1.5 GHz quad-core processor, Fire TV is 40% more powerful than Fire TV Stick. And with a compact and portable design, it's easy to bring your movies and TV shows with you when you travel.

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Echo Show - Black
Echo Show - Black
Voice responses from Alexa are now enhanced with visuals and optimized for visibility across the room. Call or message your family and friends that also have an Echo or the Alexa App, get the news with a video flash briefing, see your Prime Photos, shop with your voice, see lyrics with Amazon Music, browse and listen to Audible audiobooks, and more. All you have to do is ask. Echo Show has eight microphones and beamforming technology so it can hear you from across the room—even while music is playing. Echo Show is also an expertly tuned speaker that can fill any room with immersive audio powered by Dolby. When you want to use Echo Show, just say the wake word "Alexa" and Echo Show responds instantly. Make hands-free voice calls to almost anyone, or video calls to friends and family who have an Echo Spot, Echo Show, or the Alexa App. Use the Drop In feature when you want to connect instantly with other compatible Echo devices in your home. For example, you can drop in to ask what time dinner will be ready, see the baby's nursery, or check in with a close relative. With Alexa Announcements you can also use Echo Show to broadcast a quick, one-way message to all other Echo devices in your home. Making calls with Alexa is easy. Set up your voice profile and teach Alexa to recognize your voice. When you say, “Alexa, call Mom”, Alexa will call your mom, even if you have multiple users in your home. When you're busy making dinner, just ask Alexa to place a call from your Echo Show to almost anyone. For news and information you can see and hear, just ask Alexa for your video flash briefing from CNN. Curious about the latest movie trailers or need a how-to video? Just ask. Echo Show helps keep you organized at home. Start a timer in the kitchen and watch as it counts down, or easily see and manage your family’s calendar. Sign in to the Alexa App to take your to-do and shopping lists with you. Just add an item to the list from home, and whoever is out shopping will see it added instantly on their Alexa App. Voice control your music Powered by Dolby, Echo Show is fine-tuned to deliver crisp vocals with dynamic bass response and expansive sound. Watch as the display comes alive to show song lyrics, custom stations, curated playlists, and album art with Amazon Music. Listen to tens of millions of songs with Amazon Music Unlimited. Echo Show also connects to Spotify, Pandora, iHeartRadio, and TuneIn—giving you voice control for all of your music. Echo Show is Bluetooth-enabled so you can stream other popular music services like Apple Music from your phone or tablet. Far-field voice recognition Equipped with eight microphones, beamforming technology, and noise cancellation, Echo Show hears you from any direction–even while music is playing. When you want to use Echo Show, simply say the wake word, "Alexa" and Echo Show lights up and streams audio to the cloud. The Alexa Voice Service is then leveraged to recognize and respond to your request instantly. If you have more than one Echo Show, Echo, or Echo Dot, Alexa responds from the Echo you're closest to. If you want to limit your interaction with Alexa, simply turn the mic/camera button off. Control your smart home Use Echo Show to see a live camera feed from the nursery or your front door. Turn on the fan or dim the lights from the couch—all without lifting a finger. Control multiple devices at scheduled times or with a single voice command, like locking the doors and turning off the lights when you go to bed (Coming soon). Echo Show works with smart home devices such as cameras, lights, fans, thermostats, garages, sprinklers, and more. Always getting smarter Alexa—the brain behind Echo Show—is built in the cloud, so she is always getting smarter. The more you use Echo Show, the more it adapts to your speech patterns, vocabulary, and personal preferences. And because Echo Show is always connected, updates are delivered automatically. Skills add even more capabilities like making a dinner reservation with OpenTable, requesting a ride from Uber, tracking your steps with Fitbit, trying a new recipe from Allrecipes, and more. New skills are being added all the time. You can also see ratings and reviews to learn what other customers are saying about skills in the Alexa App.

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Echo (2nd Generation) - Smart speaker with Alexa - Charcoal Fabric
Echo (2nd Generation) - Smart speaker with Alexa - Charcoal Fabric
Amazon Echo is a hands-free speaker you control with your voice. Echo connects to the Alexa Voice Service to play music, ask questions, make calls, send and receive messages, provide information, news, sports scores, weather, and more—instantly. All you have to do is ask. Echo is also an expertly tuned speaker that can fill any room with immersive sound. It has seven microphones and beamforming technology so it can hear you from across the room — even while music is playing. When you want to use Echo, just say the wake word “Alexa” and Echo responds instantly. The 2nd generation Echo has a 2.5” downward-firing woofer and 0.6” tweeter to deliver crisp vocals and dynamic bass throughout the room. You can play music from Amazon Music, Spotify, Pandora, iHeartRadio, TuneIn, and more. With Amazon Music, you can search by lyrics, time-period, or let Alexa pick the music for you. You can also listen to audiobooks from Audible, podcasts, radio stations, news briefs, and more. Want to play music on an Echo in another room? Now with multi-room music, you can tell Alexa to play across your compatible Echo devices. Tell Alexa to play jazz in the kitchen, top pop in the family room, or play the same song throughout your whole home. Echo can also directly connect to speakers using a 3.5 mm stereo cable or using Bluetooth to add voice control to your home stereo system in the living room or den. Use Echo to switch on the lamp before getting out of bed, turn on the coffee maker on your way to the kitchen, or dim the lights from the couch to watch a movie—all without lifting a finger. Ask Alexa to turn on the TV, turn up the volume, change the channel, or play your favorite movie. Echo can control your Fire TV, and select devices from Sony, Dish, and Logitech. Control multiple devices at scheduled times or with a single voice command, like locking the doors and turning off the lights when you go to bed. Echo works with lights, locks, switches, thermostats, and more from WeMo, Philips Hue, SmartThings, Insteon, Nest, ecobee, and Wink. Hands-free calling and messaging With Echo, you can talk to almost anyone hands-free—no tapping or searching required. Use the Drop In feature when you want to connect instantly with compatible Echo devices in your home. For example, you can ask someone for help with a chore, or remind the kids to go to sleep—without having to raise your voice. With Alexa Announcements you can also use Echo to broadcast a quick, one-way message to all other Echo devices in your home. Making calls with Alexa is easy. Your contacts will see your number when they receive the call so they know who is calling. Set up your voice profile and teach Alexa to recognize your voice. When you say, "Alexa, call Mom", Alexa will call your mom, even if you have multiple users in your home. Additionally, you can send messages via voice or text to anyone with a supported Echo device or the Alexa App. Far-field voice recognition Tucked under the light ring is an array of seven microphones that use beamforming technology and enhanced noise cancellation. The 2nd generation Echo has improved wake-word performance to hear you ask a question from any direction—even in noisy environments or while playing music at loud volumes. When you want to use Echo, simply say the wake word, “Alexa,” and Echo lights up and connects to the cloud, where the Alexa Voice Service recognizes and responds to your request instantly. Alexa has skills Echo uses tens of thousands of skills and counting. Skills add even more capabilities like ordering a pizza from Domino's, requesting a ride from Uber, tracking your fitness with Fitbit, controlling your TV with Dish, and more. To enable new skills, just ask Alexa. New skills are being added all the time. You can also see ratings and reviews to learn what other customers are saying about the thousands of skills available in the Alexa App. Always getting smarter Alexa is always getting smarter — the more you use Echo, the more Alexa adapts to your speech patterns, vocabulary, and personal preferences. And because Echo is always connected, updates are delivered automatically. Just in the last few months we’ve added Alexa calling and messaging, multi-room music, and reminders, along with skills from third-party developers. Suit your style Customize your Echo for any room with Echo Shell, available in a range of fabrics and finishes

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$99.99



AmazonBasics Lightning to USB A Cable - Apple MFi Certified - White - 6 Feet /1.8 Meters
AmazonBasics Lightning to USB A Cable - Apple MFi Certified - White - 6 Feet /1.8 Meters
An Amazon Brand.

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$7.99



Kindle Paperwhite E-reader - Black, 6" High-Resolution Display (300 ppi) with Built-in Light, Wi-Fi - Includes Special Offers
Kindle Paperwhite E-reader - Black, 6" High-Resolution Display (300 ppi) with Built-in Light, Wi-Fi - Includes Special Offers
Featuring our highest resolution display, hand-crafted font Bookerly, and a new typesetting engine for even more beautiful rendering of pages. Our best-selling Kindle is now even better. Highest resolution e-reader display With twice as many pixels as the previous generation, the all-new Kindle Paperwhite has an improved high-resolution 300 ppi display for crisp, laser quality text. No other e-reader offers a higher resolution display. Next-generation reading experience Kindle Paperwhite offers Bookerly, an exclusive font crafted from the ground up for reading on digital screens. Warm and contemporary, Bookerly is inspired by the artistry of the best fonts in modern print books, but is hand-crafted for great readability at any font size. Typesetting engine lays out words just as the author intended for beautiful rendering of pages. With improved character spacing and the addition of hyphenation, justification, kerning, ligatures, and drop cap support, our best-in-class typography helps you read faster with less eyestrain. Enjoy reading with larger font sizes without compromising your reading experience. Page layout and margins automatically adapt to work well at even the largest font sizes. The new typography and layout improvements are available on over half a million books, including many best sellers, with thousands more being added every week. No glare in bright sunlight Unlike reflective tablet and smartphone screens, the latest Kindle Paperwhite reads like paper. Won't tire your eyes in the dark Kindle Paperwhite guides light toward the surface of the display with its built-in front light—so you can read comfortably without eyestrain. Adjust your screen's brightness for great reading in any light. Charge monthly, not daily Kindle Paperwhite won't leave you tethered to an outlet. A single charge can last up to six weeks (based on a half hour of reading per day with wireless turned off and the light setting at ten). Read comfortably with one hand Lighter than a paperback, comfortably hold Kindle Paperwhite in one hand for those times when you can't put the book down. Lose yourself in a book By design, Kindle Paperwhite is purpose-built for reading and creates a sanctuary so you can lose yourself in a book. Unlike tablets and phones, Kindle doesn't distract you with social media, emails, and text messages. Take and share notes Add margin notes that you can edit, delete, or even export from your device to your computer. Share highlighted sections and meaningful quotes on Facebook, Twitter, and Goodreads, and see passages frequently highlighted by other Kindle readers. Look it up instantly without leaving your page Smart Lookup integrates entries from The New Oxford American Dictionary with information from X-Ray and Wikipedia, so you can access definitions, characters, settings, and more without losing your place. Read more challenging books Word Wise makes it easier to enjoy and quickly understand more challenging books. Short and simple definitions automatically appear above difficult words, so you can keep reading with fewer interruptions. Tap on a word to bring up a simple card with definitions, synonyms, and more. Available on many popular English language titles. Build your vocabulary Words looked up in the dictionary are automatically added to Vocabulary Builder to expand your knowledge and reinforce retention. Swipe through your vocabulary words, quiz yourself with flashcards, and instantly see those words in context. Share your library With Family Library, you and your family can access and easily share not only your own Kindle books, but also books from the linked Amazon account of a spouse or partner. Lowest book prices, massive selection Over a million titles are priced at $2.99 or less. Over 2 million titles are $9.99 or less. Set goals and celebrate with achievement badges Kids can read books in a simple, fun, and safe environment designed specifically for them with Kindle FreeTime. Kids are rewarded with achievement badges when they reach their reading milestones. A progress report keeps parents updated on total time spent reading, number of words looked up, badges earned, and books read. Compare Kindle E-readers   Kindle Kindle Paperwhite Kindle Voyage Price From $79 From $119 From $199 Resolution 167 ppi 300 ppi 300 ppi Built-In Light No Yes Yes + Adaptive light sensor Page Turns Touchscreen Touchscreen Touchscreen + PagePress Connectivity Wi-Fi Wi-Fi or Wi-Fi + free 3G Wi-Fi or Wi-Fi + free 3G Screen Size 6" Glare-Free Screen Yes Battery Life Weeks on a single charge Storage Holds thousands of books Weight 6.7 oz Wi-Fi: 7.2 oz Wi-Fi + 3G: 7.6 oz Wi-Fi: 6.3 oz Wi-Fi + 3G: 6.6 oz Dimensions 6.7" x 4.7" x 0.40" 6.7" x 4.6" x 0.36" 6.4" x 4.5" x 0.30"

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$119.99



Nintendo Switch - Neon Blue and Red Joy-Con
Nintendo Switch - Neon Blue and Red Joy-Con
Introducing Nintendo Switch, the new home video game system from Nintendo. In addition to providing single and multiplayer thrills at home, the Nintendo Switch system can be taken on the go so players can enjoy a full home console experience anytime, anywhere. The mobility of a handheld is now added to the power of a home gaming system, with unprecedented new play styles brought to life by the two new Joy-Con controllers. PLAY ANYWHERE Home Gaming System At home the main unit rests in the Nintendo Switch dock, which connects the system to the TV and lets you play with family and friends in the comfort of your living room. On-the-Go Lift Nintendo Switch from the dock and instantly transition to handheld mode for on-the-go gaming. By sharing Joy-Con, players can go head-to-head while away from home. You can also enjoy the same great games in tabletop mode by using the included stand to prop the system up. New Play Styles Remove the detachable Joy-Con from either side of Nintendo Switch for more play styles: One player can use a Joy-Con in each hand Two players can each take one Multiple Joy-Con can be employed by numerous people for a variety of gameplay options (additional Joy-Con sold separately) Slip a set of Joy-Con into a Joy-Con grip accessory, mirroring a more traditional controller. Or, select an optional Nintendo Switch Pro Controller. Bring together up to 8 Nintendo Switch systems for local face-to-face multiplayer.

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$299.00



WD 2TB Elements Portable External Hard Drive - USB 3.0 - WDBU6Y0020BBK-WESN
WD 2TB Elements Portable External Hard Drive - USB 3.0 - WDBU6Y0020BBK-WESN
WD elements portable hard drives with USB 3.0 offer reliable, high-capacity storage to go, fast data transfer rates and universal connectivity with USB 2.0 and USB 3.0 devices. The small, lightweight enclosure features massive capacity and WD quality and reliability. It includes a free trial of WD SmartWare Pro for local and cloud backup.

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$59.99
-$5.00(-8%)



Samsung 860 Evo 500GB 2.5 inch SATA III Internal SSD (MZ-76E500B/AM)
Samsung 860 Evo 500GB 2.5 inch SATA III Internal SSD (MZ-76E500B/AM)
Samsung 860 EVO solid state drive is the SSD to trust. Based on 3D VNAND flash, Samsung offers enhanced read/write performance, endurance and power management efficiency. With multiple form factors, the 860 EVO is ideal for mainstream PCs and laptops.

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$99.99
-$35.00(-26%)


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