Questions and Answers

Your Questions About X10

July 4, 2013

Betty asks…

Recommendations for controlling lights/etc from PC/smartphone for home automation?

What I would like to do:
Using voice recognition in windows and TTS responses that I will code, I would like to have a program/control module that can activate light switches / outlets and other items in the house based on what I program the macros to call on.
What I need.
Something similar to X10 that can interface with my network or computer wirelessly so that I might use it with the above setup. I am looking for specific ideas, not just vague replies. Thank you in advance!

Administrator answers:

Controlling home lighting is still a fancy option that still cost quite a lot to do and needs many control boxes to be installed here and there, but today, a team of designers worked hard to change that.
They come up with an amazing way to control you light bulbs with your smart phone. They called it “LIFX”, Pronounced (LIFE X).

Dunno if this will help, but for me I find it really amazing.

You may check it out on this link:

Robert asks…

How to solve orbit of satellite given radius?

How do you find the orbit of a satellite if I have the distance it’s located from the Earth?
I tried to use the T^2/r^3 = T^2/r^3 but I get some weird answer.

Distance of satellite from Earth: 450 km
Earth’s period: 1 year
Earth’s radius: 6.37×10^6 m
Period of satellite: ?

The answer’s ___x10^3 but I can’t seem to figure it out.

Administrator answers:

As you have R = 6370 + 450 as the satellite’s radius of gyration, I presume you mean you want the orbit’s period. For that we set the gravity field strength g’ = A the radial acceleration at R.

So, by invoking the inverse of the square of the distance rule we find g’ = g (r/R)^2 = W^2 R = (2pi/T)^2 R = A which gives us g r^2 = (2pi)^2 R^3/T^2 where r = 6370E3 m is Earth’s radius. We solve for T^2 where T = ? Is the period I presume you’re looking for.

T^2 = (2pi)^2 R^3/(g r^2) = ((2*pi())^2 * ((6370 + 450)*1E3)^3)/(9.8*(6370E3)^2) = ? And T = sqrt(T) = 5611.822942 = 5611.8 seconds = 5.611E3 sec. ANS.

You got some “weird answer” because you used a weird equation not based on physics. Key to making this an easy problem is to note that g’/g = (r/R)^2 where g’ is the gravity field strength at R distance and g = 9.8 m/s^2 at r, the Earth’s radius.

Note, by using g’/g = (r/R)^2 I’ve avoided having to know Earth’s mass M and the universal gravity constant G. Both of these factors cancel out when taking the ratio.

Laura asks…

How to get music on my sony ericsson?

I have just got the phone Sony ericsson Xperia X10 and i was wondering can you put music from your itunes onto it or from your computer? Or do you have to buy the music?

Thanks xx

Administrator answers:

The music you download from iTunes is drm protected. In order to play it on non-apple mp3/mp4 players, you need to remove the drm and convert the protected music to drm free mp3 format. The easiest way is to burn an audio cd in itunes and rip it back as mp3 format. Or you can get some software to help you.

I would recommend you follow this guide to learn how to convert purchase itunes music (m4p) to mp3:

Hope it helps!

Michael asks…

Which stores have the best quality printing Black & White digital pictures?

I have a Digital Picture of my wedding witch I retouch a little bit on Photoshop, I want to print it on 8″x10” on Black and White. I tried CVS but I came out too light and on Glossy paper, that’s the best they can do there they said. My friend told me that some Walmarts have an special printer for b&w. The picture size is 4MB Is that enough for an 8″x10“? I am looking for the best I can get without expending that much money. Any ideas?What should I ask in the store?? Any term I need to know??Thanks.

Administrator answers:

I have not found any satisfactory printing from stores. When I want to have black and white versions printed, I go online to giclee printers. Your wedding photo will be printed on archival quality paper, which means it will last for a long time. You simply need to download the image to the provider. Shop around on the internet for the best price as they have really come down over the past year.

Two of the best sites for non-professionals are:

Many sites not only print the picture, they will frame it, too, for a very good value.

Just be careful about the paper you choose: I don’t like glossy, either.

John asks…

How much is this oak 1×10 shelving worth?

I have about 150 board feet of 10 foot long 1″x10” oak shelving that has been sanded and stained that i got from a demolition and i need to know how much to sell it for. I believe that the wood is from the 1970s to early 80s. Thanks

Administrator answers:

Call a home center and check the board foot value of white or red oak. Being stained and sanded will reduce the value, unless some special project will let the finish work.

Mary asks…

Which is better between these 2 Sony Ericsson phones?

I want to buy a Sony Ericsson W995 or a Sony Ericsson Xperia X10 Mini Pro. I know they’re old models, but I just love the way those 2 phones look. So I want to ask your opinions regarding which phone I should buy, like which is better among the 2 performance wise.

Administrator answers:

For performance the Xperia is way better.

Sandra asks…

How much does it cost to fix a huge hole in the wall?

I was walking down the hall and i tripped over my dog, as she often gets in the way. i fell sideways and made a huge 15″x10” hole in the wall. How much would it cost to fix it myself? And how would that be fixed?

Administrator answers:

Depending on what you already heave around the house and can borrow from friends you may not have to send much at all.

Here is a link to show you Step by step how-to , and what you need to fix your problem.

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