Category Archives: Electronics

What Are Pressure Washers and Do I Need One?

Do I need a pressure washer?

Strange questions and the answer is ‘probably’. To many it may be no because some people still don’t know much about pressure washers. You see, I moved into my new house 6 months ago and discovered the whole patio and driveway was covered in a moss type substance which I could have spent the next 10 years scraping away only for it to grow back again quickly. So I found out more about pressure washers by asking around. They are great cleaners that use high pressure jets of water to power through dirt and blast away those weeds, moss and other unattractive things that grow in between the stones on your driveway.

Not only that, but these products are pretty cheap and they last many years. Karcher and Nilfisk are the most prominent manufacturers and their products are very reliable. They include many feature such as adding detergent (if you want to use it) and include various nozzles and accessories to clean different types of surfaces. Patio cleaning is a breeze now, as most power washers will include splash back protectors so that you don’t have to worry about cleaning your clothes straight after! There are concentration nozzles too, which help get rid of stubborn areas of grime. Machine strengths are measured in litres per hour i.e. how many litres are pushed through in a given hour. Some power washers are so powerful, they take out tiling grouting so you may need to adjust strength or use different accessories for different surfaces.

Blocked drains are also a breeze for pressure washers. Our sewer was very problematic as we share the connections with two eateries. Unfortunately they had spent years emptying food down the drains, which clogged everything up. Once the pressure washer was out, there was no stopping us! The drain was clear within minutes (and prior to this, the neighbours had spent various hours with rods trying to clear it).

These models are usually fit with safety valves so you won’t need to worry about pressure building up if there is some sort of blockage. Karcher (my favourite brand) usually offer a 3 year warranty with their power washers, so it’ll put your mind at ease.

For me it was a lifesaver. I cleaned the whole of my house exterior within a day or two, which probably would have taken months using more manual methods.

These power washers, in summary, reduce time and save money in the long run. In short, if you have to maintain patios, driveways and/or a garden, then it would be suitable to purchase one of these pressure washers.

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Hdmi vs component cable

We live in a world of high-definition, and getting the best picture means using the best of everything-right down to the cables that connect your home theater system, to experience the best home theater experience.

The two most used connectors for HD video are component and HDMI cables. Both work the same, but there is always a popular question that is often heard “which one is better?”

HDMI cable definition: HDMI stands for High-Definition Multimedia Interface, which is a type of digital connection, capable to transmit high-definition videos and high-resolution audios over a single cable itself.

Component cable: It can be used for both HD (High Definition) and standard video signals. Component video is an analog signal that consists of red, blue, and green video cables. Component cables suggestively deliver video only and do not carry sound.

When you compare HDMI versus Component differences, truly they do not seem to be very different. The main difference is one is analog and one is digital which generally not concern most of the users as long as it works for their situation.

Although HDMI and component can both support 1080p video resolution, that doesn’t mean the picture quality is equal. HDMI is a digital cable, so there’s not much wasted conversion from digital Blu-ray disc, as compared to that over an analogue component cable.

HDMI supports high-definition content protection (HDCP), which is required by many high-definition downloads and Blu-ray discs. If you use component cable, you see a lower-resolution version of the content that will lessen the home theater experience. HDMI could deliver 1080p whereas component cables can only deliver 1080i.
If you want to get both video and digital sound into your television or your home theater system, use HDMI cable. One HDMI connector truly carries full video and audio signals. However a component video may require three plugs for video alone. You’ll need other plugs-possibly on other cables-to connect the audio.

HDMI is mainly renowned for its video quality, but it can also carry audios without the need for multiple cables. HDMI also supports audio return channel, which sends sound from your TV tuner to your receiver. So the picture and sound s of the home theater speakers and home theater TV will be in perfect sync.

This feature of 1080p Up-conversion function that converts standard-definition images (720×576 pixels) from DVD sources into high-definition images (1920×1080 pixels) is available in the home theater range from Panasonic.

So the biggest difference, for an average user, is that the sending device (cable box, DVD player, etc) will most likely not send HD quality signal on the component output. Mostly as these companies trying to support HDCP therefore things obviously moving to HDMI so you will most likely want to move sooner or later.