Archive for the ‘electronics’ tag
How Do I Find A Good MP3 Wireless FM Modulators?
A MP3 Wireless FM Transmitter had different meanings to different people so before we can start we need to first understand what a FM Modulator means vs. a FM Transmitter.
A FM Modulator is designed to take an audio source, which in this case is your MP3 Player, and transmit it to a FM Radio (i.e. FM receiver). And if you are using it in a car, which is one of the most common places to use a FM Modulator, it will probably be hardwired into the car (i.e. you can’t remove it and take it some other place very easily).
The other typical features for a FM Modulator is it will broadcast on only one frequency and only go a few inches or a foot or two at most. This requires that the frequency be very uncommon so you don’t have to compete with commercial stations. This is one of the reasons why car radios allow you to tune into stations outside the standard Public FM Band of 88.0 to 108.0 FM (FYI, here in the U.S. we use the odd frequency settings like 107.1 FM but in Europe and other places they use the even frequencies like 107.0 FM). Usually a car radio will let you tune to 87.5, 87.7 or 87.9 FM so you can use a FM Modulator and not have to deal with big radio stations.
The other alternative is to hijack a frequency that don’t think you will ever need to or want to listen to that FM Radio station when driving in your car.
The second problem with a FM Modulator only transmitting a few feet is is requires you to pull out the FM Radio and place the FM Modulator “in-line” between the FM Radio and its antenna. This can be a problem if you don’t know electronics very well or can’t afford to pay a company to install it for you.
Also, don’t forget that you may need to hire someone to install it if you aren’t comfortable with dealing in electrical because a FM Modulator needs to be hardwired into the car’s power system. If you don’t know what you are doing you can hurt yourself or really screw up your car’s electrical system.
Plus you could also screw up your car’s audio system as well if the 2 above are not bad enough…
Now on to FM Transmitters. These work similar to a FM Modulator but they have more flexibility (PS. we are talking about the small personal FM Transmitters here, not the ones used by radio companies)
You can gain some nice benefits from using a FM Transmitter instead of a FM Modulator, assuming you pick a good FM Transmitter. those benefits are:
* No Installation Required - FM Transmitters are designed to be mobile so you won’t need to mess around with installation like a FM Modulator.
* No Frequency Limitations - Most Good FM Transmitters will let you cover the entire public band so you don’t have to worry about fighting with a commercial station.
* Broadcast Further - No worries about only going a few inches with FM Transmitter like you would with a FM Modulator (Of course that’s if you pick a good FM Transmitter)
* More Mobility - Since it’s not hardwired you aren’t limited to just your automobile so you can also use a FM Transmitter in your home, office, etc. Of course this depends on which FM Transmitter you purchase.
* More Flexibility - A FM Transmitter will let you also use more than just one audio source since it is designed to be flexible.
As you can see a FM Transmitter is heads-and-shoulders over a FM Modulator. Of course you need to make sure you buy a good FM Transmitter that actually works.
So you may be asking “If a FM Transmitter is what I really want or meant to say how do I find the right one?” Keep reading and I can help you.
— Finding The Right One For You — When searching for a MP3 Wireless FM Modulator (i.e. FM Transmitter) you will have to ask yourself a few questions first before you can find the right one for your needs:
1. Do I want to be able to broadcast more than just my MP3 Player? - If all you want to use is your MP3 Player then you are all set but it other audio devices like your satellite radio, computer, or even your TV come to mind you need to be aware of what you go with.
2. What power options will I want or need? - Is using batteries “OK” or will I want to also want to have the ability to use a 12V car power outlet (i.e. cigarette lighter) or an AC wall outlet or even a computer’s USB port.
3. How far do I want to transmit? - A quality FM Transmitter will let you go a 100 feet or more but if you will only use it in the car them maybe 5 or 10 feet will be fine for you.
4. Where do I plan on using it? - If all you need is a 12V power supply because you will only use it in your car then you shouldn’t have any issues finding a FM Transmitter that does just that.
5. What If Technology Changes On Me? - Technology changes quickly so you want to make sure you use a FM Transmitter that will work on more than just certain iPods because it can get expensive fast
Once these questions are answered you can be sure that MP3 Wireless FM Modulator (i.e. FM Transmitter) you buy will be a good fit for you.
Go here to read the full details about using a MP3 Wireless FM Modulator, then you can see a MP3 Wireless FM Modulator that many consider the best on the market.
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WMA or MP3 Formats: HELP!
WMA as opposed to MP3 formats. Really, this depends on the individual a lot believe it or not. Not too long ago I was trying to figure out the difference myself and I just couldn’t come up with any clear answers. I mean really, the format is the difference, but what does that mean exactly?
Windows Media Audio (hereafter known as WMAs) is the Microsoft proprietary software for recording and handling audio files. All the dings and whistles that come with Windows to alert you to things are WMAs. These audio files are pretty large, but boast a higher bitrate- or the amount of bits per given time that the program will run. Microsoft claims that these files are more accurate than MP3s and better quality. We’ll talk about that in a bit.
MP3, MPEG3 or Moving Pictures Experts Group-Layer 3 all describe the audio format we all use in our MP3 players. The biggest advantage that MP3 has over WMA at this point has got to be in the file size. MP3 formatting of a recorded piece involves the elimination of the bits that the human ear cannot hear anyway. This can greatly reduce the file size, though Microsoft claims this degrades the quality.
The difference in quality between WMAs and MP3s is miniscule, even at the same bitrate, but still it can be noticeable by some. Of course a bad audio track will sound bad in both, but be more noticeable in MP3 format. WMAs win for that sort of versatility.
MP3s are smaller files and have slowly become the standard over time, so that is something that definitely works in the MP3’s advantage. WMAs are still mostly used on computers, where bitrate and to an extent, size is not as much of an issue as a personal player. So on a player it’s advantage MP3 for storage capacity saved. On computer it’s WMA for versatility and performance.
As to whether your MP3 player will play a WMA, the answer is “most likely yes.” There’s no reason why most will not. The thing to consider is if you want a lot of WMAs and MP3s on the same device, it won’t hurt anything, but things can get kind of weird. It’s a personal choice really. Hard drive space has increased a lot since the first generation of MP3 players were marketed, so space isn’t an issue anymore, but still, sticking to one format is a good idea.
Converting from WMA to MP3 format is not a bad thing and can be done on nearly any home computer. The problem is getting a good conversion rate and speed. This process can take awhile. Converting from MP3 to WMA takes a little less time, but unless you have a WMA specific project, it’s kind of a silly thing to do. The more you convert any file, the more quality you lose. Like making a copy of a copy of a copy and so on.
So overall in the war between WMA and MP3 format we’d have to go with MP3 for size and not much of a drop-off in sound quality. However for musical projects WMA seems to be the preference as the range of audio frequency is higher. I think like most other formats, each serves a purpose, but unless you’re a musician, serious music lover or have the ears of a canine, MP3 will serve you just fine.
Zeeman Haus enjoys writing articles online on a variety of subjects. You can check out his latest website on Touch Screen Mp3 Players which provides top deals on touch screen MP3 players From Creative Labs, Coby, Visual Land and more.
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Are Garmin GPS Navigation Systems Over-rated?
You probably don’t observe the Garmin Nuvi brand daily unless you are always on the road and have experience with GPS devices. If you intend to get into the GPS generation and would like something that is very easy to plug in and use, Garmin GPS devices could answer your needs rather well. Even though some of the feature rich models are priced much higher than the lesser models you’ll find in stores, they additionally carry a few lighter Garmin devices that will fit the budget and nonetheless perform well for drivers. A great model to consider is the Garmin Nuvi 1300 Portable GPS Navigator.
Garmin Nuvi 205 Series
These Garmin GPS models are the ones to consider for the value conscious. One of the interesting characteristics of the Nuvi 205 is that the software applications bear a striking resemblance to the more well-appointed Garmin GPS models, so you are basically investing in an inexpensive GPS model that “feels expensive”.
Keep in mind that some of the models in this series were given a “W” at the end. That indicates “widescreen” and ought to be your better option considering the wider viewing space that you will appreciate when 2-D or 3-D maps are being used. A few of the more recent models like the well-recieved 255W provide a text-to-speech function which is reliable in receiving directions without any distractions.
All of the more up to date units in this series are very convenient to install compared to some of the other manufacturers’ systems that call for some fussing with before they may be installed. They additionally come fully equipped with maps of Canada, Mexico, the US and major parts of Europe which includes more than 6 million different points of interests you’ll want to see in each of the countries. These points are things like popular restaurants, shopping centers,government buildings, and other locales to see. Additionally, your favorite POI’s can be added easily thanks to its interface. These entry level GPS units are the perfect ones to own for a normal car driver in need of a reliable electronic advisor.
Garmin Nuvi 705 Series
If you ever find any Garmin Nuvi model labeled with a 7, you can bet that the purchase price ought to impact your credit score, yet if you make time to consider the features it provides, you will realize that the Garmin Nuvi 705 series is worth the price for a driver who makes their living while being in a car.
Every one of the devices in this series have useful navigation options such as lane assist, which directs users to the appropriate lane in times when a difficult turn is called for. On top of that, Bluetooth connectivity is provided for some of the better appointed models in the 705 series. By the way, the interface is the same and all the other features in the 205 models are available in the 705 too. Another unit to consider is the Garmin Nuvi 1300 Widescreen Portable GPS.
Garmin Nuvi 805 Series
Currently Garmin offers only 2 models part of the 805 series. They are very comparable to the 705 series models, which is the reason that the number isn’t all that different. But the most noticeable function is the voice-activated navigation installed in these models. To offer a simple explanation, you can give instructions to your GPS device for hands-free operation.
There are still other Garmin GPS units which are given 4-digit series numbers, but Garmin’s 3 digit series devices are best suited for consumers who commute daily and would like a few helpful applications. Any of the latest models in those series do not let you down. Also, the the Garmin Nuvi 1300 Portable GPS Navigator is a nice option to look into.
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Navigate Your Way Accurately with GPS
Many of the GPS devices that you see on the market nowadays are for autos for the reason that most consumers have not less than one car which is in most cases their primary form of getting to and from work or errands. The latest GPS devices have the best and newest functions that enable drivers to find the destination of their choice faster and easier. A great model for you to consider is the Garmin Nuvi 1250 Portable GPS Navigator.
Just a few years back, GPS devices were used only by serious travelers who went all over the place either overland or on the sea. Marine GPS technology has evolved to cater to seafarers and make the GPS functions applicable to them. GPS is particularly effective in directing seamen through open waters and could be a real lifesaver during an emergency or just in a situation when you find yourself lost in the middle of the ocean. The same makers who produced effective GPS devices for the road also offer a selection of marine GPS products.
Garmin Marine GPS Devices
Garmin Nuvi devices have been regarded as the ideal in the areas of accuracy and navigational features. Garmin’s marine devices which include the GPSMAP 5015 and GPSMAP 5215 also include sound construction and reliable performance. Each one of those traits are outrageously significant when a boat is 50 miles from land and the crew has no place to stop and climb a tree. A few of the notable functions include enhanced sensors, chartplotters for more exact planning on the water, and a marine autopilot system for uncomplicated navigation.
Garmin marine products come in either handheld or larger versions with bigger LCD screens providing more sophisticated maps which include backgrounds, lighthouse locations, obstructions, buoys, and more. Several versions enable the user to download information on flash drives for backup purposes or for editing on a personal computer. All of the better products in this group are waterproof, and their housings are purposely constructed in such a way that the appliance comes to the surface if accidentally dropped in the ocean.
Magellan Maestro Devices
The good thing about some of the more advanced models of the Magellan Maestro is that each GPS unit is able to be operated overland as well as out on the ocean. Yachtsmen can effortlessly attach these Maestros inside their boats or just keep it in your pocket as if it were a normal handheld appliance. This product’s exactness in open waters is superior and the technology used for the navigation is rather high-grade on account of it can triangulate signals from as many as 12 different satellites to determine your correct position.
If you are familiar with the Maestro, you should have no trouble as you are employing the user interface while sailing. When in the market for one which will be made for maritime work, determine if the device is offered with a waterproof rubber casing.
TomTom GPS Devices
TomTom GPS devices for the most part are more focused on car navigation, although they can be actually applied as marine GPS devices, also. A few versions like the TomTom 720 GPS are able to load marine charts and can also be used to make routes. Places on the ocean won‘t be mapped as they would be on land, but the good news is that TomTom owners will know where they are and should not be required to buy a specific marine GPS device. A nice unit to purchase is the Garmin Nuvi 1250 Portable GPS Navigator.
The GPS unit that you have currently can additionally be relied on as a marine GPS. You might need to buy a dedicated marine GPS device only if you normally move on the open ocean because those have better and more specific maps.
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The TomTom ONE GPS: Is it the Only One You Need?
TomTom is a company that is universally identified with its TomTom GO models that have improved over time at offering the latest technology for portable and reasonably priced devices. Although they haven’t produced any updated TomTom GO devices this year, people perservere in getting the current products on account of they consistently meet expectations in terms of performance and usability. The only problem that some GPS fans face is the price tag. Another model to consider is the Garmin 7200 StreetPilot GPS.
The TomTom ONE GPS is the solution to this problem. The TomTom ONE is a different lineup for people who prefer to conserve money but like the TomTom’s options. TomTom ONE actually offers several models, like XL models which are widescreen. Unfortunately, only the original TomTom ONE can be purchased in the US. The TomTom ONE is well known for its very low price, as well as its absence of features and lukewarm quality. Then, the 2nd edition was developed with significant design and software enhancements, rescuing us from the old model. This review will address the updated 2nd edition.
Look and Design
Looks can be everything, which is why TomTom ONE manages to look attractive with its small and simple appearance with a pleasantly curved top. The TomTom ONE GPS is small enough to be carried one-handed and is able to be carried inside a shirt pocket. Simply by glancing at it, a person aren’t going to think that this TomTom ONE GPS is an inexpensive model.
Setup Process
The installation process is rather uncomplicated given its plug and play functionality, and therefore you should be able to employ the device right after you unwrap it. The process involves a point when you will be required to initiate the account online, which you won’t find explained in detail in the manual. Fortunately; you should be able to locate the instructions you should have to assist with activation on the comprehensive manual found only on the CD. Once you activate the GPS device, you are now ready for travel.
Navigational Features
The TomTom ONE is particularly accurate in terms of positioning and revising as you drive around. Once in a while you might notice it a bit out of line by 25 to 50 meters, but it still calculates more accurately than nearly all other entry level portables you’ll find. The TomTom ONE’s routing capabilities are remarkable also, and you won’t get very many of those exasperating directives to make a U-turn very often. It won’t direct you to the quickest route every time, but it will find a sensible one. The programs that TomTom provides contain lots of POIs, yet a few of the signs may not be part of the map, so take time to keep the maps up to date.
Other Features
TomTom’s sound quality is acceptable even at high volume, where other brands get muddled. The graphics and advanced user interface are an agreeable change and will likely induce more consumers into giving the TomTom ONE a spin. The battery life is less than ideal, running a little over 2 hours, and it comes with only a USB and car charger. Another solid car GPS unit is the Garmin 7200 StreetPilot GPS.
The TomTom ONE comes at a great price and its most important features do their job quite adequately. Consider this model as your pick if you especially need to save money.
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Different Types Of GPS Devices
The ability to identify where you are, where you want to be, and how to go there was once best established by using a paper atlas. If you were taking a trip in your car then there is a great chance you used either an atlas or one of those huge tri-folded maps which really weren’t much help while attempting to drive. Thankfully finding your way in the world nowadays is easier thanks to the Global Positioning System (GPS) and the different kinds of GPS gadgets that utilize it.
If you are thinking about how these GPS gadgets do what they do then read on. The Global Positioning System was created and implemented by the United States Department of Defense when it started its first GPS satellite way back in 1978. At present there are 24 satellites in the GPS system that are the foundation of the entire system.
There are a number of varied types of GPS devices that are designed to benefit from this constellation of satellites. GPS mapping tools are utilized to gather points and any information attached to those points for mapping purposes. Actually these gadgets have been utilized for years to collect the data that creates the maps and mapping features used by different GPS navigating systems.
Which brings us to the very famous customer GPS device: the GPS navigating system. The most familiar of these is the in-car GPS device that shows you map of where you are going and informs you through voice directions how to get there. These GPS gadgets are either installed in the cars dash or are transportable and can be moved between cars.
Some navigational devices offer a feature whereby you can locate restaurants, shopping, hospitals, and motels not considering where you are; this can be very useful when hunting services in a town with which you are new. The smaller versions of these navigational units are portable devices that can be used by travellers, hunters, and other outdoor enthusiasts.
These kinds of GPS units will monitor where you are, leave a breadcrumb trail of where you’ve been, and will show you to where you want to go. Many of these units additionally include built in cameras and voice recorders, allowing you to keep a record of your journeys.
Jason Myers is a professional writer and he writes mostly about gps advice news. He’s also interested in writing hardware and gadget news online.
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A Car GPS Is Great, But The Surveys Are Exasperating
This writer once lived in the woods in Britain for over 3 years. Though I still listen to the radio from time to time, I tended to ignore the huge changes happening in the real world. I originally heard the alphabet soup term “GPS” while I was still living in America, but always in the field of an army or big law enforcement or rescue agency. If I heard about a automotive GPS in a radio adverts, I never knew what they were talking about, and didn’t care to discover.
Welcome (Back) To America
Moving back to America, I was in for a dreadful culture shock. I evaded watching TV as long as I could, but my mom ( who took her wayward kid in ) loved it, so that the TV was on all of the time. I would practically pound my head against the floor just because I could not understand the commercials. My mother had to explain to me what “bling” meant. That was a little bit humbling.
At the time, I took PC lessons and attempted to get my head together. I definitely needed a automotive GPS to figure out what I was doing. As a lark, I joined several online survey groups. I started getting free samples, and learned what an automobile GPS was. I did not have much of a choice I was getting 2 or three auto GPS surveys a week.
Back In The Saddle Again
I realized that instead of being annoyed by geeky lingo, automotive GPS dashboard mounted devices were helpful and simply understandable gizmos that would help improve the quality of life. Imagine if the kids of Israel had automobile GPS units strapped to their donkeys and camels.
They wouldn’t have wandered around in the desert for forty years. They would have found the best road to The promised Land before dinner.
Folks of my generation and younger get so easily lost because it is too dangerous to go anywhere. Whenever we plan a road trip, we need to permit at least three hours to get lost and then find our way again. Think of the waste of gas.
But with an automotive GPS unit, you don’t have to waste gas or time to get to your destination. I wonder how much gas is saved just by using automotive GPS units.
If I ever go back to the woods, I suspect I’ll take an automotive GPS device with me. Maybe then I could make better decisions about my life.
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Samsung LN37B550
Introduction Today, I will be revealing my findings of a recent review I performed on the Samsung LN37B550 37 inch 1080p LCD HDTV. The Samsung LN37B550 is a high-quality LCD HDTV that has caused quite a stir in the LCD market place. It has quickly become one of the best-selling LCD monitors in its viewable size range. Today, Ill be sharing my thoughts and conclusions as to why this particular model is so popular.
Features There are numerous features in this television along with the much talked about Red Touch of Color technology by Samsung. The performance of the TV is definitely boosted with the presence of Red Touch of Color technology as it gives off a very pleasant ambient red light that provides the entire performance a radiance of warmth. There are loads of connectivity options in the Samsung LN37B550, including a game mode where the users can enjoy excellent fast games with faster refresh and response times. There is no need of set top box or encoder as the television makes use of Samsungs QAM technology for receiving major network programming in HDTV.
Performance and Evaluation In every field of evaluation, Samsung LN37B550 excelled. I have got to see some truly rich and genuine colors; blacks are black and whites are pure whites. The quality of images was natural and authentic; The HDTV programming was also very inspiring. The response time is 6ms and the refresh rate is 60Hz, this is definitely not among the fastest available performance models. But, it is also the fact that this difference is hardly noticeable.
Enjoy a fascinating contrast ratio; the game mode also increases the response and resolution while playing speedy action games. The remote control is fully functional and easy to play controls. The speaker design and the sound reproduction, some Samsung TVs have certain defects, which is not the case with LN37B550; external audio system is not required. The model is safe and secure as its construction is solid and the frame also supports the monitor perfectly.
Conclusion Considering the price of the TV, this model is definitely one of the best. This one gets my solid recommendation.
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The Importance Of Electricity In Modern Times
Electricity, as we all know is an extremely diverse and flexible energy form. It has been adapted over the last 200 or so years to the point where we can now use it for pretty much anything. One of the first applications of electrical power that was publicly available was LED lighting when the first incandescent light bulb was invented in the 1870s.
Although electricity obviously brought along some new dangers with it, it eliminated some of the old ones. For example, the gas lighting that was generally used in factories and homes before electricity used naked flames.
The Joule heating effect that is used in light bulbs is also used in electric heating. Electric heating, although easily controllable and versatile, could be deemed wasteful as heat has already been used to create this electricity in power stations.
A few countries, including Denmark have introduced new laws restricting the use of electric heating in new buildings as it is having an adverse affect on climate change. However as the global temperature rises the demand for Air conditioning goes up, and so climate change is getting worse with a snowball effect.
Telecommunication is of course another area dependent upon electricity; in fact the electrical telegraph was one of the first successful applications of electricity.
Global communication was made possible in the 1860s with the invention of intercontinental telegraph systems, followed shortly by a transatlantic telegraph system. More recently, fibre optics and satellite communication have taken a large share of the communications market, but without electricity both would be rendered useless.
Electromagnetism is best seen in an electric motor, one of the cleanest sources of motive power. A stationary motor like a winch can easily be powered by a stationary external power source, but a moving motor like that of an electric vehicle must carry a power source with it, unless it works using a pantograph like some modern trains.
Perhaps the most important invention of the 1900s is the transistor. It is a vital part of all modern electrical circuits and a modern integrated circuit may contain several billion miniaturised transistors in a region of only a few centimetres squared.
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The Different Aspects Of GPS
Two decades ago, the Global Positioning System (GPS) was born. In order for the United States’ military units to know where they are exactly on land and sea, they needed to develop a system to help them. So multiple satellites were launched into the Earth’s atmosphere into geosynchronous orbit.
The satellites send a signal to the GPS receivers on the surface of the Earth and then from there, the location is pinpointed. The system was then commercialized in the 1990s and it has literally taken off.
The GPS units have been in commercial use since the early 1990’s and since then they have exploded to many different areas of our lives. One area that they have literally taken over is in the automobile industry. Car GPS systems are some of the most visible of all of the GPS units out there. These gps units help you get from point A to point B when you put in the destination address or place of interest name ( such as Fed Ex Field). Once this is entered, the route is calculated using your specifications ( such s no local roads, etc..) and then it is displayed on the screen for you to follow. If you need to take a detour, the GPS unit will quickly recalculate the route and display the new directions. And the kicker for some of these systems is that some have voice guidance to help you as well.
Since the technology has been available for decades, manufacturers and researchers have developed ways to make the GPS receiver smaller and smaller. They are now small enough to be placed into clothing and other small, inconspicuous items.
Because GPS has become smaller and the receivers and satellites are in constant contact, GPS tracking services have sprung up in recent years. These services give parents peace of mind by allowing them to know where their child is at all times. All the parent needs to do is place the GPS on the child and then monitor their child’s whereabouts on the service’s website.
Since GPS systems are becoming more widespread, this means that their cost has come down. And since the cost has come down, more people adopt their use. The result is literally a tsunami of new GPS units coming online every year.
You can purchase a GPS unit in one of two ways. You can buy a unit for your dashboard and remove it each time you leave the vehicle alone. Or you can get the GPS unit installed into your dashboard as an option when you purchase the vehicle. Either way, you should search online for the right GPS unit for you.
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