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Registered: 07-05-2018
Messages: 79
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30-07-2020 16:29
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When you're not home, nagging little doubts can start to crowd your mind. Did I turn the coffee maker off? Did I set the security alarm? Are the kids doing their homework or watching television?
With a smart home, you could quiet all of these worries with a quick glance at your smartphone or tablet. You could connect the devices and appliances in your home so they can communicate with each other and with you.
Any device in your home that uses electricity can be put on your home network and at your command. Whether you give that command by voice, remote control, tablet or smartphone, the home reacts. Most applications relate to lighting, home security, home theater and entertainment, and thermostat regulation.
The idea of a smart home might make you think of George Jetson and his futuristic abode or maybe Bill Gates, who spent more than $100 million building his smart home . Once a draw for the tech-savvy or the wealthy, smart homes and home automation are becoming more common.
What used to be a quirky industry that churned out hard-to-use and frilly products is finally maturing into a full-blown consumer trend. Instead of start-up companies, more established tech organizations are launching new smart home products. Sales of automation systems could grow to around $9.5 billion by 2015 . By 2017, that number could balloon to $44 billion .
Much of this is due to the jaw-dropping success of smartphones and tablet computers. These ultra-portable computers are everywhere, and their constant Internet connections means they can be configured to control myriad other online devices. It's all about the Internet of Things.
The Internet of Things is a phrase that refers to the objects and products that are interconnected and identifiable through digital networks. This web-like sprawl of products is getting bigger and better every day. All of the electronics in your home are fair game for this tech revolution, from your fridge to your furnace.
On the next page, we'll take a look at the technology in a smart home.
ContentsSmart Home Software and TechnologySetting Up a Smart HomeSmart Home BenefitsIntelligent Products GaloreEfficiency and FunSmart Home ChallengesSmart Home Software and TechnologyHome automation has a long and fitful history. For many years, tech trends have come and gone, but one of the first companies to find success is still around.
The genesis of many smart home products was 1975, when a company in Scotland developed X10. X10 allows compatible products to talk to each other over the already existing electrical wires of a home. All the appliances and devices are receivers, and the means of controlling the system, such as remote controls or keypads, are transmitters. If you want to turn off a lamp in another room, the transmitter will issue a message in numerical code that includes the following:
An alert to the system that it's issuing a command,An identifying unit number for the device that should receive the command andA code that contains the actual command, such as "turn off."All of this is designed to happen in less than a second, but X10 does have some limitations. Communicating over electrical lines is not always reliable because the lines get "noisy" from powering other devices. An X10 device could interpret electronic interference as a command and react, or it might not receive the command at all.
While X10 devices are still around, other technologies have emerged to compete for your home networking dollar. Instead of going through the power lines, many new systems use radio waves to communicate. That's how BlueTooth, WiFi and cell phone signals operate.
Two of the most prominent radio networks in home automation are ZigBee and Z-Wave. Both of these technologies are mesh networks, meaning there's more than one way for the message to get to its destination.
Z-Wave uses a Source Routing Algorithm to determine the fastest route for messages. Each Z-Wave device is embedded with a code, and when the device is plugged into the system, the network controller recognizes the code, determines its location and adds it to the network. When a command comes through, the controller uses the algorithm to determine how the message should be sent. Because this routing can take up a lot of memory on a network, Z-Wave has developed a hierarchy between devices: Some controllers initiate messages, and some are "slaves," which means they can only carry and respond to messages.
ZigBee's name illustrates the mesh networking concept because messages from the transmitter zigzag like bees, looking for the best path to the receiver. While Z-Wave uses a proprietary technology for operating its system, ZigBee's platform is based on the standard set by the Institute for Electrical and Electronics Engineers (IEEE) for wireless personal networks. This means any company can build a ZigBee-compatible product without paying licensing fees for the technology behind it, which may eventually give ZigBee an advantage in the marketplace. Like Z-Wave, ZigBee has fully functional devices (or those that route the message) and reduced function devices (or those that don't).
Using a wireless network provides more flexibility for placing devices, but like electrical lines, they might have interference. Insteon offers a way for your home network to communicate over both electrical wires and radio waves, making it a dual-mesh network. If the message isn't getting through on one platform, it will try the other. Instead of routing the message, an Insteon device will broadcast the message, and all devices pick up the message and broadcast it until the command is performed. The devices act like peers, as opposed to one serving as an instigator and another as a receptor. This means that the more Insteon devices that are installed on a network, the stronger the message will be.
On the next page, we'll take a look at the products you'll need to get your smart home running.
INSIDE BILL GATES' HOMEMicrosoft Chairman Bill Gates' home just outside of Seattle, Wash., might be the most famous smart home to date. Everyone in the home is pinned with an electronic tracking chip. As you move through the rooms, lights come on ahead of you and fade behind you. Your favorite songs will follow you throughout the house, as will whatever you're watching on television. You can entertain yourself by looking at Gates' extensive electronic collection of still images, all available on demand. The chip keeps track of all that you do and makes adjustments as it learns your preferences. When two different chips enter the same room, the system tries to compromise on something that both people will like.
Setting Up a Smart Home
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This keypad will send a message to your lamp.DON FARRALL/PHOTODISC/GETTY IMAGESX10, Insteon, ZigBee and Z-Wave provide only the fundamental technology, called protocols, for smart home communication. They've created alliances with electronics manufacturers who actually build the end-user devices. Here are some examples of smart home products and their functions.
Cameras will track your home's exterior even if it's pitch-black outside.You can control a thermostat from your bed, the airport, anywhere your smartphone has a signal.LED lights let you program color and brightness right from your smartphone.Motion sensors will send an alert when there's motion around your house, and they can even tell the difference between pets and burglars.Smartphone integration lets you turn lights and appliances on or off from your mobile device.Door locks and garage doors can open automatically as your smartphone approaches.Auto alerts from your security system will immediately go to your smartphone, so you instantly know if there's a problem at home.Many devices also come with built-in web servers that allow you to access their information online.These products are available at home improvement stores, electronics stores, from installation technicians or online. Before buying, check to see what technology is associated with the product. Products using the same technology should work together despite different manufacturers, but connecting an X10 and a Z-Wave product requires a bridging device, and often, extreme patience and some technical skills on your part.
In designing a smart home, you can do as much or as little home automation as you want. For starters, it may be best to think of tasks you already routinely do and then find a way to automate them.
You could begin with a lighting starter kit and add on security devices later. If you want to start with a more expansive system with many features, it's a good idea to carefully design how the home will work, particularly if rewiring or renovation will be required. In addition, you'll want to strategically place the nodes of the wireless networks so that they have a good routing range.
About 60 percent of homebuilders who have installed home automation devices hired professional help . If you're looking for a technician, check if they have CEA-CompTIA certification. This certification is the result of a partnership between the Consumer Electronics Association (CEA) and the Computing Technology Industry Association (CompTIA), and it represents proficiency in installing, maintaining and troubleshooting any vendor's home networking equipment.
The cost of a smart home varies depending on how smart the home is. One builder estimates that his clients spend between $10,000 and $250,000 for sophisticated systems . If you build the smart home gradually, starting with a basic lighting system, it might only be a few hundred dollars. A more sophisticated system will be tens of thousands of dollars, and elements of home theater systems raise the cost of a system about 50 percent .
Is it worth the money? To learn more about the benefits of smart homes, go to the next page.
SMART APPLIANCESSome home accessories are smart in their own right:
Trash cans that monitor what you throw away and generate online orders for replacements.Refrigerators that create dinner recipes based on the ingredients stored inside.Washers and dryers that send text message alerts when their cycle has ended.Smart Home Benefits
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With smart home security, you can check on your little one from anywhere.THOMAS JACKSON/STONE/GETTY IMAGESSmart homes may make life easier and more convenient. Who wouldn't love being able to control lighting, entertainment and temperature from their couch? Whether you're at work or on vacation, the smart home will alert you to what's going on, and security systems can be built to provide an immense amount of help in an emergency. For example, not only would a resident be woken with notification of a fire alarm, the smart home would also unlock doors, dial the fire department and light the path to safety.
Here are a few more examples of cool smart home tricks:
Light a path for nighttime bathroom trips.unlock your door automatically as you approach.Feed your pets on a schedule with a preset amount of food.Instantly create mood lighting for any occasion.Program your television so that your children can watch only at certain times.Warm the bedroom before you get out of bed so that it's nice and toasty when you get up.Turn on the coffee maker from bed.Smart homes also provide some energy efficiency savings. Because systems like Z-Wave and ZigBee put some devices at a reduced level of functionality, they can go to sleep and wake up when commands are given. Electric bills go down when lights are automatically turned off in empty rooms, and rooms can be heated or cooled based on who's there at any given moment. One homeowner boasted that her heating bill was about one-third less than a same-sized normal home . Some devices can track how much energy each appliance is using and command power hogs to use less.
Smart home technology promises tremendous benefits for elderly people living alone. A smart home could notify the resident when it's time to take medicine, alert the hospital if the resident falls and track how much the resident is eating. If an elderly person is a little forgetful, the smart home could perform tasks such as shutting off the water before a tub overflow or turning off the oven if the cook had wandered away. One builder estimates that a system like this could cost $20,000, which is less expensive than a full-time nursing home . It also allows adult children who might live elsewhere to participate in the care of their aging parent. Easy-to-control automated systems would provide similar benefits to those with disabilities or a limited range of movement.
Smart homes look great on paper, but are they for everyone? On the next page, we'll look at some of the disadvantages of this technology.
Intelligent Products GaloreHome automation systems have struggled to find a mainstream audience, in part because they require a bit of technical savvy from their users. But these days, the fast proliferations of smartphones and tablets provide an easy way for even tech novices to communicate with home automation gadgets. And those gadgets are more numerous by the day.
The Nest thermostat comes with integrated WiFi so that you can control, schedule and monitor your home's temperatures, from the porch or from a taxi. Nest learns your behaviors and automatically adjusts its settings for maximum efficiency and comfort. It will tell you how much energy you're using, remind you to change your filters, and even alter its functions to account for the differences between, say, a heat pump or radiant heaters.
Philips' Hue lights offer some concert lighting effects right in your own home. Screw these LED bulbs into your regular fixtures, install the app to your phone or tablet, and then you can turn the lights on or off, brighten or dim them, or perhaps best of all, change the color. Then you can even program the lights to perform just about any combination of color and brightness, and control up to 50 lights on one bridge (which links the lights to your phone). The more lights you have the more fun it will be. But it will cost you -- a starter pack with three bulbs and a bridge goes for around $200.
On the next page you'll see even more nifty smart home products. With a bit of ingenuity on your part, you'll see that you can automate just about any electronics processes.

Registered: 24-07-2017
Messages: 114
Rating: 4
31-07-2020 08:49
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My constant worry is my iron. I can never remember for sure if I switched it off or not. And it so annoying. Very soon I am moving to a new house, and I will definitely equip it will all modern devices to be able to monitor it remotely. I can Find Necessary Hi-Tech Product Easy on the 4Prototypes [4promedia.com] site. They offer a lot of useful gadgets for everyday life. I have ordered some there.
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