Tuesday, December 4, 2012

Is it hard to set up a website to sell baby clothes?

Q.

A. Yes, I think it's more challenging than most casual Internet users are capable of doing on their own. For instance, buyers might be nervous inputting credit card info if you don't have the SSL encryption/technology. You also need to figure out how to set up the technology to monitor your inventory so it will show on the website when you're sold out of a specific outfit. Otherwise, you will get customers who pay first and find out later that you don't have any more of those outfits. That's one of the easiest ways to annoy customers.

I think it'd be much easier to sell clothes on an established website like eBay.


what kind of router do i need for my house?
Q. We are in the middle of remodeling our house. All the walls are down and my husband wants to "wire" the whole house to a router. He bought CAT 6 cables. First, is that really necessary, he says it's safer that way to have everything wired, but I want wireless connections also. Second, If he does wire the whole house, what is the best router to get?? And what would be the best way to wire the house. I still think a wireless router is the easiest way to go....???

A. Your husband is pretty smart. It is a very wise move to wire the house, when the walls are all down. In the future, this will be a huge selling feature to your home. Wireless may be the easiest thing to do, but it won't add value to your home, nor will offer near the benefits of having a true wired network.

Wired network is better for 3 reasons; throughput, reliability, and security.
- Throughput- Wired networks are point to point connections, where is wireless is pooled.. meaning every wired connections has a dedicated connection. with wireless it's shared, so as your increase the amount of computers using wireless, the connection gets worse and worse.
-reliability- wired.. not much can harm it, minus physically cutting the cable. Wireless, everything can effect a radio signal; things like.. a baby monitor, garage door open, metal in the wall, other wireless signal.
-security. Unless someone physically plugs into your wired network (someone would have to break into your house). nobody can snoop what your doing. Wireless.. even if the traffic is encrypted. It only takes a matter of time, before that encryption is broken.

Here's some thoughts about building a wired network.
1. Build in over capacity. what you use today will not be what you use tomorrow. Networking devices is only growing. So if you think you need 2 connections in a room, go with 4, or 6. I would build it huge. You will never get this shot again, so might as well go super overboard.
2. Find a central spot in your house. This will be your data center. I'd pick an easy spot in the house that is pretty equal to all the other parts. It doesn't matter where it is, (basement is a good spot, but you may not have one).
3. It doesn't matter how many ports are on the router, you really only need 1 spot on the router, to feed into a network switch. The set-up to build a proper network isn't hard, but does take a bit of research.

Basic theory.
You'll have some kind of modem (DSL, Cable, etc). This is your connection from the street.
One cable goes from this to the router.
One cable goes to a switch
Every active network drop gets one cable from switch to patch panel, another from jack to device.
Every jack should be matched up to a place on the panel. (though you can use 2 jacks, panel is cleaner in my opinion). Basically the signal from the modem is spilt by the router, the switch creates a bridge to send the internet to the jacks, where the computer/print/etc picks up network signal from the wall.
To get wireless as well. you'll need to buy a wireless access point. This adds wireless networking. It will feed off the main switch.

Equipment your going to need to build the network.
1. A punch down tool. This will terminate the wires into the block and/or jack
http://www.buy.com/prod/paladin-tools-surepunch-pro-punch-down-tool-double-110-blade/q/listingid/73151623/loc/66357/208160453.html
2. a punch down panel. I'd recommend otronics as a company. They are the leader. You get what you pay for with infrastructure. You only have one shot at this, don't be cheap. just spend the money now.. or you will be left with headaches later. 48 ports should be enough for the house. (depends on what you need)
http://www.cdw.com/shop/products/default.aspx?edc=478612&cm_mmc=ShoppingFeeds-_-GoogleBase-_-Cables-_-478612_Ortronics%20Clarity%206%20patch%20panel%20-%202U_ORS-PHD66U48
3. lots of jacket You'll need one of these for every connection.
http://store.stsi.com/or-tj600-88.html
4. faceplates. They come in any number. (1,2,4,6, etc). Every jack needs a faceplate to tie it securely to the wall (use an electrical box to tie faceplate to the wall.
here's an example- http://store.stsi.com/or-40300546.htm


Routers/switches/wireless access points.
1. Routers.. I'm going to give you what I think is a good one, but there are many good ones.
http://www.smallnetbuilder.com/wireless/wireless-reviews/31222-first-test-d-link-dir-665-xtreme-n-450-gigabit-router
smallnetbuilder.com is a great site for doing research on consumer grade networking gear.
2. Switches. I'd go with HP. It's a bit more than netgear or linksys, but it carry's a lifetime warranty. If it ever breaks, they offer 24 hour replacement. something like this would be sufficient to run your network (depending on size), you can stack them (meaning you can put 2 together) if you need to expand your network
http://www.newegg.com/Product/Product.aspx?Item=N82E16833316158
3. Wireless access points(wireless ap) It might be worth buying the Power over ethernet (poe) (basically the ethernet cable powers the device) as it saves you from worrying about power requirements, and allows you to place the device anywhere to provide you the best range. It's something to consider, they are alot more expensive
http://www.newegg.com/Product/Product.aspx?Item=N82E16833316158 This is a poe wireless ap
http://www.newegg.com/Product/Product.aspx?Item=N82E16833127146 non poe wireless ap.


Science question, about how baby monitors etc..?
Q. what are the similarities and disimilarites between a baby monitor to:
walkie talkies,
megaphones,
CD radios,
intercom,
mobile phones.


Trying to get a level 8+ or EP on my science assesment.
ALSO, What could be the sucess criteria i.e.) studying the protype board to see if its in working order?

THANKS :D

A. You should think about the devices in terms of what they consist of, the baby monitor consists of:

At the babies end:
A microphone
A small amplifier for the microphone
An RF transmitter of some sort

At the mothers end:
An RF receiver of some sort
An amplifier
A speaker

The walky talkies are basically the same, except both units have both a microphone and a speaker to allow 2 way communication, and the tuning circuitry is more complex.

An intercom has a microphone, amp, and speaker setup separated with several meters of wire inbetween the two units. You can think of it as two walky talkies being wired together directly, rather than using transmitters and receivers.

A megaphone is just a microphone wired to a speaker through a small amplifier, which a plastic horn to help the sound carry.


A mobile phone is the same as a walky talky in essence, except that the speech is encoded into digital audio and then encrypted* before being transmitted. The tuning circuitry is also a lot more complicated to allow it to easily handle roaming. That's a gross simplification of course, mobile phones have grown to be incredibly complex.

* Mobile phone encryption works by having a bunch of different channels (like radio stations), and an algorithm is used to switch the channel that your call is being transmitted on many times a second. So anyone tuning into one particular channel will only get a scrambled mess of different phone calls. The algorithm ensures that the channel is changed in such a way that it's incredibly hard for a third party to predict which channel your call will switch to at any given moment, but the cell tower, running the same algorithm, can keep track.


If I plug a Blu-Ray player into my HD monitor will it be HD?
Q. I have a Gateway FPD2275W
Its a 22 inch and it says HD display in the top left corner of the screen. The guy at Best Buy said it would work, but I didnt ask how good... 1080p...1080i...720p...
Can you please tell me how good it would be?
Also which Blu-Ray player should I get? I want one of the $500 ones.

A. The screen is 1680 by 1050.

HD comes in 1280 by 720, which will fit. Or 1920 by 1080, which will not.

I would hope that it would down-scale a 1080 signal, but the Gateway site is not very forthcoming with information.


The key thing is that you need HDCP support. Blu-Ray will either not play or produce standard definition images without HDCP encryption to protect against someone copying the signal on the cable.

Again the Gateway site is not much use. You can buy this for $380 as an accessory:
http://www.gateway.com/accessories/product/1540982R.php?seg=hm

and there is no mention of HDCP.

Or you can buy is for $350 as a product:
http://www.gateway.com/retail/fpd2275w.php

and it claims HDCP support.


Either way, I would be tempted to get a display that claims TCO'03 support. This includes a minimum range of colours that the display must be able to show. If I was watching a movie I would like my deep blues to be deep blue, rather than a baby blue, and my reds to be red, not pink. Most displays are not that bad, but TCO'03 actually has a requirement that the display should meet.

This Gateway has TCO'95 support, this does not include a colour requirement.





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Title Post: Is it hard to set up a website to sell baby clothes?
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