9 2015 Aug

5 Important features: Webcam logitech webcam

Consumer-Electronic-Products-Logitech-HD-Webcam-C270-720p-Widescreen-Video-Calling-and-Recording-Non-RetailBulk-Packaging-Supply-Store-01.Megapixels – The megapixels are the tiny dots of colour that, when combined, make the resulting visual image. A webcam with more megapixels will result in a clearer more vivid image. Most webcams now will provide a reasonable image quality; the general advice is a webcam that has 320 X 240 or 640 X 480 pixels for a good image. If you have the functionality of HD, consider a webcam of 1280 X 720 pixels.

2.Frame Rate – As the megapixels deal with image and colour vividness, the frame rate is what controls how smooth the video quality is. Frame Rate decides how many images per second are displayed. 30fps (frames per second) is more than suitable for a standard use webcam. Smoother, higher quality moving image should consider a webcam with the capabilities of 60fps.

3.Lens Quality – the lens is the first stage in the video process therefore it is vital that you have the correct lens to cater for your needs. A webcam with a glass lens is much better than one with a plastic lens.

logitech webcam

4.Continuous Autofocus – In many scenarios there can be a lot of activity happening during a webcam session, autofocus (AF) enables the webcam to keep you as the main focus rather than diverting to other movements within the frame.

5.Low Light Quality – If you tend to use your webcam during the evening or in low light conditions, the resulting image quality can be very poor. Logitech have developed ‘Right Light’ in some of their webcams. This enables the image quality to be optimised in these poor light conditions.

8 2015 Aug

6 keys: Blood pressure monitors Omron blood pressure monitor

Omron-3-Series-Wrist-Blood-Pressure-Monitor-0-300x300Our most recent tests of blood pressure monitors found many that are worth recommending.

1.Check the fit
For arm models, make sure the blood pressure monitor you choose has a cuff that fits the circumference of your upper arm. Using a cuff that’s the wrong size can result in a bad reading. Most models we tested have two cuffs or a cuff that adjusts to fit most people. Wrist models also adjust to fit most people.

2.Available features
An irregular-heartbeat detector checks for arrhythmias and other abnormalities. (We did not test those features.) A risk-category indicator tells you whether your blood pressure is in the high range. Multiple-user memory allows two or more users to save readings.

3.Cost
The recommended models in the Ratings were priced from $40 to $80, but shop around. And check to see whether a monitor is covered by insurance.

Omron blood pressure monitor

4.Ease of use
Make sure that the display on the monitor is easy to read and understand and that the buttons are big enough. The directions for applying the cuff and operating the monitor should be clear.

5.How to choose
Pick a top-scoring model that has features that will make testing easier for you, such as the ability of more than one user to store readings. Blood pressure monitors may be available at a discount, and some insurance plans may provide coverage for them. Check with your provider.

6.Accuracy
All of our recommended models were rated Excellent for accuracy.

8 2015 Aug

12 easy steps: XM and Sirius Satellite Radio sirius sirus satellite radio

SIRIUS-Stratus-6-Dock-and-Play-Radio-with-Car-Kit-Black-01.Rural Coverage
Sirius wins in rural coverage area. Sirius has 3 satellites in a medium earth orbit. As a result, you normally have two satellites visible.

2.Urban Coverage
XM wins in urban coverage. This is due to XM having ground stations in most major urban areas.

3. Sound quality
In my experience, XM has better sound than Sirius. It could be that XM is more mature, that the XM radios are better, or XM has better technology for sound.

sirius sirus satellite radio

4. Commercials
Both services give the impression that they are commercial free. XM has far more commercials than Sirius.

5. Programming Philosophy
On the other hand, XM has a lot more specialized music channels than Sirius. Sirius has much broader programming on each channel, with some overlap between channels.

6.Public radio fans
If you are a fan of public radio, Sirius is your hands down choice. Sirius features 3 channels.

7. Talk Radio Fans
Talk radio fans will find a mixed bag. Neither service has the top rated talk radio shows.

8. Sports Fans
Both XM and Sirius have ESPN and ESPN News. Sirius has several channels dedicated to major sports, including 40 NBA and 40 NHL games each week.

9. Professional Drivers
Both services have a channel dedicated to professional truck drivers.

10. Family Issues
This may eliminate Sirius as a choice for family use.

11. Radios displays
Radios exist for both XM and Sirius that have multi-line displays. It is best to try it out in both day and night conditions.
12. Remote Controls
Make sure that the unit you are getting has a remote control.

7 2015 Aug

10 keys for Smart irrigation controller rain bird

Rain-Bird-SST-600O-Simple-to-Set-IndoorOutdoor-Timer-6-Zone-0-300x3001.Monthly or Yearly Fees
Although most smart irrigation solutions guarantee savings, many require monthly subscription fees in order to fully function as smart systems.

2. Ease of Use
Most smart irrigation solutions employ a weather/evapotranspiration algorithm that determines how much water to apply to irrigation zones. 20 parameters, such as soil type, plant type, and sun exposure, are applied in the irrigation controller’s software and can be complex to set up and manage.
3. Automatic Failure Alerts and Notification
Look for a smart irrigation system that automatically detects faults in piping, solenoids, and sprinkler heads that notify the user of detected malfunctions via email and/or text message.
4. Remote Access via Smartphones
Look for a system that can access and manage irrigation from any internet connected computer as well as a smartphone.
rain bird
5. Warranty
Look for a system that has at least a five year warranty.
6. Accurate Weather Data and Information
Smart irrigation depends on having the most accurate weather information possible in order to function properly.
7. Ease Of Installation
A smart controllers should install as would any other controller, using the existing wiring that is already in place.
8. Central Irrigation Management Using Web/Cloud Based Technology
Look for a solution that can manage an unlimited number controllers and sites from anywhere in the world using any internet connected computer.

9. Low Tco (Total Cost Of Ownership) And Rapid Payback Of Your Investment
However, in many cases these savings are all but eclipsed by required ongoing data and communications fees and software maintenance agreements that reduce water savings.
10. Consumption Reporting
Look for a system that provides information about water usage and savings as a standard feature in their irrigation software.

7 2015 Aug

GPS Purchase : 6 keys garmin nuvi

Garmin-nvi-3597LMTHD-5-Inch-Portable-Bluetooth-Vehicle-GPS-with-Lifetime-Maps-and-HD-Traffic-0-300x295The Basics: Screen Size, On-Board Maps, and POIs
The current sweet spot for displays is 5 inches, with the majority of newer models on the market. You can typically save a bundle if you’re willing to settle for a smaller display. Remember though, the larger the screen, the more of your dashboard space the unit gobbles up.
Virtually every GPS you buy today will come with preloaded maps for the United States—some also include a combination of Canada, Mexico, or Puerto Rico too. These days, most vendors include free or one-time-pay map updates for a wide variety of the devices. Be sure to check the map-update policy before you settle on a particular model.
Along with maps, every GPS comes with an integrated points-of-interest (POI) database so you can find, say, the closest Chinese restaurant, Target store, auto body shop, or tourist attraction. POI database sizes can vary wildly.
Live Traffic and Data
The “T” in the Garmin nüvi 3597LMTHD’s model name means it’s equipped with a traffic receiver if you’re heading into a bottleneck, and will offer up an alternate route so you keep moving. The 3597LMTHD also includes a free lifetime traffic subscription, so you don’t need to pay monthly fees.
garmin nuvi
Bluetooth Calling
Many devices integrate a phone interface, so you can connect your Bluetooth-enabled cell phone and access your contact list to make hands-free calls through the GPS, rather than wearing a clunky headset in the car.
Find Your Way With Your Phone
Magellan’s 2013 SmartGPS goes a step further, linking up with your smartphone to access real-time content, so that all of your settings, destinations, and other preferences are stored in the cloud.

6 2015 Aug

Home Theatre: 4 keys bose acoustimass 6 bose home theater benq projector

Bose-6-Piece-Home-Theater-Speaker-SystemBlack-AM10IIBLK-0-300x300The first step to select the best home theatre is the choice of the television. You will have to take a look at your room lighting. bose acoustimass 6 bose home theater
Dark or dimly lit room: Plasma or OLED are recommended
Brightly lit room: LED or LCD are recommended
Normal lighting conditions: LED or OLED are recommended
The second step is about the size of your screen. You will have to evaluate the space needed to install the screen that you will prefer. It will depend on the room where you place this screen.
65″–90″ class These TVs are oustanding for media rooms.
50″–64″ class Large TVs that provide great visual impact within any room in your home, including big living rooms.
33″–49″ class These are versatile TVs that can work extremely well within average-sized living rooms and many bedrooms.
32″ class and smaller A great size for bedrooms, dorms, kitchens and casual viewing areas.
The third item: Resolution
Higher resolution is one of the key factors in getting better picture quality.
2160p (4K Ultra HD): Also known as 4K, UHD or Ultra HD, 4K Ultra HD TVs offer the newest and best resolution available in the marketplace.
1080p (Full HD): Allows you to watch Blu-ray movies, Full HD content and all TV programming at their highest level of detail. 1080p is by far the most common HDTV resolution available.
720p (HD): Provides a quality HD picture for TV shows and DVD movies, and often at very affordable prices. Generally used for smaller TVs.
Projectors: benq projector
For larger-than-life cinematic, sporting and gaming experiences, a projector will allow you to project images many times the size of the largest flat-screen TV, without sacrificing image quality.
For optimal performance, choose a projector with the right amount of lumens (a way of measuring light output).

6 2015 Aug

Printer choice: 5 profiles canon imageclass canon selphy epson workforce

Canon-imageCLASS-Monochrome-Laser-Printer-LBP6200D-0-300x300Home user
The home user demands a lot from a printer. You will want to have the best quality for the cheapest price. It is very important to have a versatile printer to be able to do your different tasks or projects.
Student
You will be better to choose a laser printer in your situation. You will be Able to print more pages with a toner than an ink cartridge. You can choose a multifunction printer to do diversified tasks like copy, scan of fax.
canon imageclass canon selphy epson workforce
Digital photographer
If you think that your printer is a must, characteristics of the ink set, the supported papers, the color-management tools, and the paper path options. Snapshot printers are very high-quality products and are expensive too. You can choose a multifunction printer if you work on digital photography and home office too. All-in-ones printers can be updated with boast memory cards and LCDs.
Small business
You should be efficient with a multifunction or all-in-one printer. It could be more expensive if you choose to add extra features like wireless. It depends if you already have a scanner or a fax. In this case, you can buy a personal laser printer.
Corporate cog
Work group laser printer would be a good choice for business using a higher volume in paper. It has powerful and fast quantity of sheets as it can reach 35 pages per minute. You could save some money with a business-class inkjet and it has features like wireless and network.

6 2015 Aug

3D Printers: 6 important keys makerbot xyzprinting

MakerBot-Replicator-2-Desktop-3D-Printer-0-300x300Build Area: This is the maximum size of an object that the 3D printer can build. You can look for a build area of at least 5 x 5 x 5 inches 13 x 13 x 13 cm), which should be large enough for most printed parts.
Extruders: The extruder is the business end of filament printers, where the printing material is melted and extruded to lay down each layer of an object. Most models have a single extruder, which means they can print in only one material or color at a time.
Filament Width: Most consumer 3D printers use a plastic filament, which is usually sold on 2.2-lb. (1 kilogram) rolls for about $40 to $60. The thickness of the layers that the printer uses is determined by the extruder, not the size of the filament.
makerbot xyzprinting
Print Speed: This is the speed at which the extruder can move while laying down the print material for a filament printer. A faster print speed usually means quicker prints. The speed also depends on the type of material used.
Horizontal, XY or Feature Resolution: Like a paper printer, 3D printers have minimum resolutions that determine the level of detail they can produce. (at least 0.01 inches (0.03 cm)).
Vertical Z Resolution or Layer Thickness: This is the minimum thickness of a layer that the 3D printer can lay down in one pass. A larger number for this means thicker, more obvious layers in the final print, while a small number means smoother, more realistic prints. Most printers work with a layer thickness of 0.2 or 0.3 mm.

6 2015 Aug

Travel routers: 6 keys before buying tp link wireless router zyxel router asus router

TP-LINK-TL-WR702N-Wireless-N150-Travel-Router-Nano-Size-RouterAPClientBridgeRepeater-Modes-150Mbps-USB-Powered-0-300x300Speed Ratings
Wireless routers typically advertise their speed in megabits per second (Mbps). It can varies from 11 to 450 Mbps. You must take care about average speeds you will be able to achieve in practice because it will be lower than the specification on the package.
Warranties
The length and terms of these warranties vary widely. It would more interesting to take a longer one because it indicates you will have more assistance.
Ignore (Most of) the Success and Horror Stories Told by Others
You can’t count on comments by other people to make sure it will work as well for you. Due to the complexity of home networking today, any given brand of wireless router that performs flawlessly in one person’s home network could fail miserably in yours.
Brand Matching with Network Adapters
Consider purchasing a wireless Internet router of the same brand as at least one of your wireless network adapters. The benefit is a small one, but sometimes vendors will optimize communication protocols of their own equipment.
Size and Style
In many households, wireless Internet routers are installed in a visible central area of the residence. Small business owners and others interested in portability may likewise consider the class of “travel router” products.
tp link wireless router zyxel router asus router
Cost and Budget
Manufacturers sometimes offer rebates or other discounts from the full retail price of their wireless routers. Like an automobile, even if a router is last year’s model, you may still find one with all the essential features you need.

6 2015 Aug

Camera choice: 9 steps sony cybershot

Sony-Cyber-shot-DSC-HX300BC-204-MP-Digital-Camera-with-50x-Optical-Zoom-and-3-Inch-Xtra-Fine-LCD-Black-0-300x300What are your needs ?
You must evaluate your budget.
What size do you want ?
What type of pictures ?
Do you have a lot of experience or not ?
What type of features are you looking for?
Will you largely stay in auto mode or do you want to learn the art of photography?
What conditions will you be largely photographing in?

Megapixels are NOT everything. It depends on you for this feature since there won’t be a big difference than a couple of years ago.

Keep in mind the ‘extras’
Memory Cards
Spare Batteries/Recharger. I would suggest a lithium battery. It lasts much longer.
Lenses (if you are getting a DSLR)
There are other extras that you will need to choose if you want these or not ?

Do you already own any potentially compatible gear? You can look if your previous camera has some equipment that will work with the new one.
sony cyber-shot
DSLR or Point and Shoot?
DSLR Strengths
Manual Controls
Image Quality
Adaptability
Speed
Optical Viewfinder large ISO range
Hold it’s value
Depth of Field
Quality Optics

DSLR Weaknesses
Price
Size and Weight
Maintenance
Noise
Complexity
No live LCD

Point and Shoot Digital Camera Strengths
Size and Weight
Quiet Operation
Auto Mode
Price
LCD Framing

Point and Shoot Digital Camera Weaknesses
Image Quality
Smaller ISO range
Speed
Reliance upon LCD
Manual Controls Limited
Less Adaptable

Optical Zooms are King: It is better for quality image than digital zoom.
Read reviews: you will need to make some researches
Hands On Experience. You will have to try it out.
Negotiate your price