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LCD or LED or DLP projector? Which one suits you the best? | REVIEWS

9th December 2020
"LCD or LED or DLP projector? Which one? Let's find out!"

With growing technology, there are vast options for everything nowadays. usually, people get confused about LCD, LED, and DLP projector. This article will help you to find the difference between them and help you choose the proper projector for you.

DLP(digital light processing projector)

dlp-projector

DLP is one of the oldest technology for building a projector. The DLP projector uses a DLP chip that consists of millions of microscopic

mirrors for video projection, each of which is capable of independent adjustment and towing.

The produced images, however, are in black and white at this point. A beam of light is fed to the chip to make up for the lack of color. Before it hits the chip to add a color layer, this beam passes through a spinning color wheel.

They are effectively immune to color decay and are not affected by the misalignments that can occur in LCD projectors. DLP projectors have a few advantages over the competition. DLP projectors are also filter-free and have a sealed chip design, meaning that dust can not settle on the chip and trigger an image spot. DLP projectors are not readily compatible with zoom lenses or lens shift functions, which implies that they are best suited to smaller environments.

 

LCD(Liquid Crystal Display Projectors)

lcd-projector

The same liquid crystal display technology that can be found in electronic watches is used in LCD projectors. Using a multistep procedure, an LCD projector generates images; first, a light source creates white light, which is then passed on to dichroic mirrors. The mirrors display the colors that add light, and then the light beam is fed to an LCD screen. The LCD interprets the light at that point and projections the corresponding picture onto the screen.

A more robust and efficient alternative to conventional DLP projectors is provided by LCD projectors. An increased repair expense, however, comes with this upgrade, as pixels can flame out and dust particles can mess with image clarity, some of the risks of LCD projectors.

 

LED(Light-emitting Diode Projectors)

led-projector

As they are not characterized by the hardware used but by the form of lighting used, LED projectors are a distinct ball game. For their building, LED projectors can use either LCD or DLP technologies. However, where they vary, the conventional projector lights, rated from 1,000 hours to 5,000 hours, are replaced by a more powerful and environmentally friendly LED light source with up to 20,000-hour ratings.

Although the LED projector can cost anywhere from dirt-cheap to extremely costly, it does a better job of minimizing the cost of repair as the light source is intended to last the projector's whole life without ever having to be replaced.

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Top Budget Smartphones with Best Battery Life

15th April 2022
"Are you searching for a good Smartphone with long battery life?"

Budget Smartphone with Best Battery life, a match that sounds perfect to hear but difficult to find. Well, there are lots of Budget Smartphones in the market today; but, is every budget Smartphone ‘Smart’? Does every Smartphone have magnificent battery life? Guess not. It’s difficult to find budget Smartphone with best battery life that allows the user to enjoy watching videos/ movies, playing games, chat with their friends and family, etc. for a long time. It’s difficult but here we are to ease your inconvenience.

The top Budget Smartphones with Best Battery Life in Nepal 2020 are;

Redmi 9

Launched recently in 2020, Redmi 9 from Xiaomi is available in 2 variants i.e 3GB RAM/32GB storage and 4GB RAM/64GB storage. The non-removable battery of Redmi 9 has the capacity of 5020 mAh that can last up to 2 to 3 days based on its usage. You can get 10-watt Type-C charger inside the box. However, you can buy a separate fast-charging charger as the device can support up to 18-watt fast charging. Its price in Nepal is Rs.16,999 (3/32GB) and Rs. 17,999 (4/64GB).

Redmi-Smartphone-with-Best-Battery-Life

 

Infinix hot 9 Play

Launched in 2020, Infinix hot 9 play can be contemplated as one of the best budget phones in Nepal today. As it’s affordable but doesn’t sacrifice anything in quality. It is available in 2 variants i.e 3GB RAM/32GB storage and 4GB RAM/64GB storage. It comprises of 6000 mAh biggest but slimmest battery. You can get 10-watt micro-USB charger inside the box; so, unfortunately, charging the device up-to 100% might take a lot of time. Its price in Nepal is Rs. 11,490 (3/32GB) and Rs. 14,990 (4/64GB).

Infinix-Smartphone-with-Best-Battery-Life

 

Redmi 8

Launched in 2019, Redmi 8 comprises of 4GB RAM and 64GB storage. It has non-removable battery with a capacity of 5000 mAh that can last up-to 2 to 3 days as per your usage. A 10-watt type-C charger comes in the box that takes about 3 hours to fully charge the phone. However, you can buy a separate fast-charging charger as the device can support up to 18-watt fast charging. And, you can get all this at the price of Rs. 15,499.

Redmi-8-Smartphone-with-Best-Battery-Life

 

Samsung Galaxy M11

Launched recently in June 2020, Samsung Galaxy M11, a Smartphone with 3GB RAM and 32GB storage, can be bought online or in retail shops easily.  It also has non-removable battery with a capacity of 5000 mAh. The battery supports 15-watt fast charging via Type-C port charger. And luckily, you can get the charger inside the box. Its price in Nepal is Rs. 17,899.

samsung-Smartphone-with-Best-Battery-Life

 

Samsung Galaxy M20

Launched in 2019, Samsung Galaxy M20 comprises of 3GB RAM and 32GB storage. Its non-removable battery has the capacity of 5000 mAh and can last up-to 2 days based on its usage. The device supports Type-C charging port and has fast-charging charger of 15-watt that takes about 2 hours 15 minutes to charge the device fully. Its price in Nepal is Rs. 23,170.

samsung-galaxy-Smartphone-with-Best-Battery-Life

 

Vivo Y11

Also launched in 2019, Vivo Y11 is another best budget Smartphone with best battery life with 3 GB RAM and 32GB storage. It also has non-removable battery with a capacity of 5000 mAh that can last up-to 2-3 days. It also has a 10-watt micro-USB charger inside the box that takes about 3 hours to fully charge the phone. The fast-charging feature as in Redmi 8, unfortunately, is not available in Vivo Y11. The price of this Smartphone is Rs. 14,848.

vivo-Smartphone-with-Best-Battery-Life

Realme C3

Launched in February 2020, Realme C3 comprises of 3GB RAM and 32GB storage. The non-removable battery has a capacity of 5000 mAh. The battery supports 10-watt wired charging on top of reversed charging that you get inside the box. The device supports micro-USB charging port. Its price in Nepal is Rs. 16,990.

realme-Smartphone-with-Best-Battery-Life

Oppo A12

Launched in 2020, Oppo A12 is available in 2 variants i.e. 3GB RAM/32GB storage and 4GB RAM/64GB storage. The non-removable battery of Oppo A12 has a capacity of 4230mAh which Oppo claims can last up to 17 hours of online video streaming in a single charge. The device supports micro-USB charging port and unfortunately, doesn’t have any fast-charging feature. Its price in Nepal is Rs. 14,590 (3/32GB) and Rs. 20,790 (4/64GB).

oppo-Smartphone-with-Best-Battery-Life

 

Compare Phones Here

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What is Motorcycle Suspension? How does Motorcycle Handling Impact Suspension Squat?

11th November 2020
"A motorcycle suspension configuration comprises primarily two front telescopic tubes and a twin or single shock absorber swing arm mounted at the rear."

A motorcycle suspension configuration comprises primarily two front telescopic tubes and a twin or single shock absorber swing arm mounted at the rear. Nowadays, owing to its improved performance and sporty looking characteristics, a mono-shock or single shock absorber on the rear is favored in most motorcycles. The motorcycle suspension system mainly has two goals: to control stability and maintain balance during braking and, secondly, to provide support during bumps and uneven surfaces to the rider and pillion.

1. Front Suspension:

Conventional Telescopic Forks:

The most prevalent type of front suspension is telescopic forks. The setup is very basic and takes the form of long hydraulic tubes fitted internally with a coil. In a T-clamp, the top of these forks is attached to the motorcycle's frame whereas the other end is fitted to the axle of the front wheel. In the event of road flaws, the lower part of fork bodies slip up and down the fork tubes and thus absorb the vibrations. In order to ensure the texture of operation, the interior is filled with oil and is sealed inside with an oil seal.

 

Upside Down Forks (USD):

Inverted or upside-down forks are nothing like inverted-set traditional telescopic forks. In these, although the tubes are at the bottom, the slider bodies are at the top section. These are mostly used in high-end motorcycles now for a few days, as they lower the overall unsprung weight of the motorcycle alongside growing torsional rigidity, resulting in better handling.

 

Important Terminologies:

Preload Adjustment:

This relates to the system used for changing the original suspension angle for the weight of the motorcycle and the rider acting on it.

Fork Damping:

Because of the impact of reducing, minimizing, or stopping the oscillations, it is an influence between forks.

Brake Dive:

The additional pressure on the front wheel forces the front end of the bike to go lower as the brakes are applied, resulting in fork contraction. This drop-in fork length is known as the Brake Plunge.

 

2. Rear Suspension:

Previously, the rear suspension was not used in motorcycles and only front forks ensured the consistency of the ride. However, manufactures have been implementing rear suspension with the advent of technologies and are still in use today. The key elements of the rear suspension system are the swingarm and coil springs.

 

Swingarm:

A motorcycle swingarm can be considered to be a quadrilateral section of a motorcycle in which the shorter side is attached to the chassis of the motorcycle and the rear wheel axle around which the wheel spins is bolted on the other side. The swingarm is only available on one side on certain bikes and is considered a single-sided swingarm. Although it brings the convenience of separating the rear wheel without much effort, it raises the rear suspension's unsprung weight. That's why there is no traditional use of a single-sided swingarm. Two kinds of suspension are essentially used for a swingarm:

 

Twin shock absorbers:

It refers to two shock absorbers at the backside of a motorcycle, as the name implies. Firstly used in the 1970s and 80s off-road bikes, these offered an advantage of improved rear wheel movement because of which they were highly adopted.

 

Mono Shock Absorbers:

As time progressed, for several reasons, manufacturers decided to introduce mono-shock absorbers in their motorcycles. It was discovered after studies that mono shocks provided a lot better performance than traditional twin shock absorbers. A single shock absorber is attached to the motorcycle's frame from the swingarm in this configuration. It is not directly attached to the swingarm, but instead uses a connection that helps to provide the rear with an increasing degree of damping. In comparison, mono shocks more easily extract torque from the swingarm, have improved handling and reliability, and are simpler to modify than twin shock absorbers when only one unit is used.

How does Motorcycle Handling Impact Suspension Squat?

If a motorcycle were to squat down in the rear while you started to drive from a corner, you would attempt to steer into the turn and the bike would drift to the outside, taking the weight off the front, which would not steer as well as before. At the conclusion of the session, when you got into the pits, you can ask the crew chief for a solution.

In a correctly built motorcycle, the force that opposes squat comes specifically from the drive chain, which is not parallel to the central plane of the swingarm but at an angle to it. And an anti-squat force defines the tangent of that angle. When you learn that there is an adjustable swingarm pivot height for a certain sports bike, the feature is targeted at this problem.

You change the angle between the chain when it is close and the swingarm itself by changing the height of the pivot and therefore the drop angle of the swingarm, thus altering this anti-squat effect. You will propel out of the corner without squatting and pressing until the force is able to fully balance the weight change induced by acceleration.


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Things to Consider while Buying a Projector | REVIEWS

7th December 2020
"Bring big screens to your home!"

Projectors last a long time but finally, they need to be replaced, it simply doesn't fit, you want to find a new one, or it was robbed by anyone. As a display method in industry and commercial entertainment, as well as in some high-end home theater setups, video projectors have long been used. However, for most individuals, video projectors are becoming more accessible and inexpensive. Before you purchase the first video projector, check out some of these helpful tips on what to look for in a projector and projector buying guide.

Get the Right Throw Ratio 

throw-ratio

The aspect ratio of a projector refers to the ratio between its width and height. A 4:3 display, for instance, produces a more square image, where a 16:9 ratio produces an image that is more rectangular in shape.

The three most common aspect ratios of video projectors are 4:3 (XGA & SXGA), 16:10 (WXGA & WUXGA), and 16:9 (standard HDTV, 1080p).

Which one is most suitable for you? It depends on whether you are planning on projecting. Your best bet is to align the aspect ratio of your projector with that of your source, as usual.

 

Upgrade on the Resolution

projector-resolution

Projectors usually come with set resolutions, meaning they can only output in one resolution regardless of the nature of the signal they receive. An example is here: an XGA (1024 x 768) projector that receives an HD (1920 x 1080) signal must shrink the data so that it outputs in the format of 1024 x 768.

The home theater projectors of today are available in various fixed resolutions, including XGA (1024 x 768), WXGA (1280 x 800), HD (1920 x 1080), and 4K every once in a while (4096 x 2160). The most famous format in HD.

Resolutions of the Home Theatre Screen

Prepared to do your home theater projector shopping? Start here, 

XGA = Pixels 1024 x 768

WXGA = Pixels 1280 x 800

HD = Pixel 1920 x 1080

4K = resolution 4096 x 2160

HD projectors have about twice the resolution of XGA projectors, as you can see above, hence their superior picture quality.

 

Portability 

portability

Portability is critical in simplifying installation and configuration, not just in terms of traveling or traveling with your projector. To see the structure fits well, it also makes it easy to test out multiple screen sizes, lengths, and spaces. You can also hang a sheet on an outside wall (or garage door) in the summertime if your projector is compact and watch your own drive-in movies! It can be a wonderful opportunity to watch movies outdoors using a film projector.

 

Inputs

projector-input

Ensure that the projector has the inputs that you require. These days, all video projectors have HDMI inputs, and most projectors have VGA or DVI inputs for computers as well.

If you have older source devices with composite, S-video, or part video outputs, however, you should note that many newer video projectors do not provide these options anymore or can only offer composite video inputs. This suggests that it is surely important to make sure that it has the links you need when shopping for a projector.

 

Lumens

projector-lumens

Projector light is calculated in lumens. For home theater projectors where ambient light is taken into account, you'll need a minimum of 1500 lumens. A projector with a minimum of 2500 lumens is suitable for classrooms, meeting rooms, or rooms with glass.

 

LED or DLP os LCD

LED-vs-LCD-vs-DLP-Projectors

To produce an image, DLP (Digital Light Processing) utilizes a chip made of tiny microscopic mirrors and a rotating color wheel. DLP projectors provide sharp images, no filters required, improved response time, and 3D capabilities. There is a life cycle of over 20,000 hours of the LEDs in LED projectors. Projector LCD. While LCD projectors have a clearer picture and better image quality, DLP projectors are smaller, more compact, and more efficient. Micro-mirrors are used using DLP (Digital Light Processing) technology to project images onto a wide screen from a display.

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