Tuesday, October 19, 2010

CrazyEngineers Forum

CrazyEngineers Forum

Need Help w/ Drop Testing apparatus

Posted: 19 Oct 2010 10:44 AM PDT

Hello everyone. I just joined. I THINK this the correct forum category for this and if not please correct me.

I'm more of a mechanics guy and know a little about electronics. I'm definitely a novice regarding accelerometers and am making an effort to put together a simple indoor, single axis, analog, drop testing apparatus to do some tests on helmets - which I understand have impact event times of about 10-15 milliseconds. The sensor will be mounted to a test head inside the helmet so that should change the event time detail and I don't know what that would be. I think I have the hardware parts identified which will be compatible - and those I'm not completely sure about either. I still need the data acquisition software to give me the readings of the Gs at impact. I don't think they'll be much higher than 200g. The only software I've found is at least several hundred $ and provides much more than I need now.

Does anyone know of any data acquisition software than can serve my needs? I just need it to provide the Gs at impact - really basic. It can be old or used or ugly but I do need it to be reliable. If it's free that would be BIG help too as the whole expense of this is for an R&D experiment.

I'm running Windows XP Pro (SP3). Thanks!

Internship Tata

Posted: 19 Oct 2010 10:26 AM PDT

Guys,
I am in 3rd year electrical branch. After few days Tata steel is visiting our college for interns.
Can anyone suggest me few topics i should study.


Thanx in advance.

A dance form that is now finding more adherents

Posted: 19 Oct 2010 10:26 AM PDT

The definition for wedding dance differs from place to place and from country to country. However, very few cultures in the world do follow this concept. Cultural artists define it as an option that rests in between two diverse poles. One extreme pole can be defined as a 'diversion' and the other one is defined as a 'necessity'. Thus, every wedding dance form, especially in the American context is not just a formality, but is also helpful to convey a message.

However, for a vast majority of the common people, wedding dance is just another act of recreation, even though it is frowned upon by a majority of the traditional practitioners of this dance form. However, to add a touch of perfection to wedding dance, it is better to plan much in advance. To learn <Clipped_ES> area is home to some of the finest wedding dance schools in the United States.

The modern American wedding dance has wide relationship with the courtship dance parties practiced by people from other parts of the world. In certain cultures, male-female dancing pairs were encouraged to perform by merging with the popular musical numbers of those days. With hands joining together and a rhythmic union that was socially acceptable, this dance form stood the test of time.

The couples were allowed full freedom to translate their energy into a predefined rhythm. Before walking into the new life, couples were encouraged to exhibit a new theme that is rather interesting and appealing to all. If the courtship element is kept to a minimum, then it is known as jitterbugging.

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Statistics Homework help,Chemistry Homework help,Math Homework help,Statistics Tutor

Posted: 19 Oct 2010 09:51 AM PDT

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Help me choose some hardware for my project

Posted: 19 Oct 2010 08:42 AM PDT

Hello there,

I want to make some electronics for my car. I am not sure which components I should buy, so I hope you could suggest some solutions :)

Thanks.

I want to be able to send SMS to a receiver in my car using keywords, and I want the controller to open and close relays, gather information from sensors, and in some cases return, say the oil temperature back to me via SMS.

Secondly, I am interested in finding the car's location at any given time. Possibly by GPS.

It is important to me that my system can run for many, many, many years without attention.

I know programming in c. I have never worked with micro controllers before, so this will be fun! :)

Thank you for your time.

Kind regards,
Marius

Hello all

Posted: 19 Oct 2010 07:42 AM PDT

Name: lakk

*Engineering Trade: Computer Science


*Occupation: (Student)

*Hobbies & Interests: surfing net, learning new things, collecting toys

*Aim in life to scale great heights..would tell that in due course..

*I joined CrazyEngineers because: i m a crazyengineer too..

tipical program in java

Posted: 19 Oct 2010 07:33 AM PDT

Hello CEans,
can you please make me understand with this program how this will be executed?
class HexByte
{
public static void main(String args[])
{
char hex[]={'0','1','2','3','4','5','6','7','8','9','a','b', 'c','d','e','f',};
byte b=(byte)0xf1;
System.out.println("b=0x"+hex[(b>>4)&0x0f]+hex[b&0x0f]);
}
}

Race Towards 250,000 Posts!

Posted: 19 Oct 2010 06:41 AM PDT

As I write this post, we've about 125,429 posts on CE Forums. I've often dreamed about the magical 250,000 posts on CE and wonder how long will it take us to reach there.

We are a big team now and it shouldn't take us too long to reach our target. The big question is, what can each one of us do to make CE really really big and useful for everyone?

How can we get more CEans to contribute to various discussions on CE?

Diploma Level Final Project Idea Require.....

Posted: 19 Oct 2010 05:57 AM PDT

have any project are NOT needed to setting program like PIC , etc to suggest me??

How To Remove Virus Using Quick Heal Total Security 2010?

Posted: 19 Oct 2010 05:43 AM PDT

i want to know that how to auto remove the virus from pc while queak heal total security 2010(registered) is already install in pc.please tell me.

100% Lawful

Posted: 19 Oct 2010 05:10 AM PDT

100% Lawful


One of my high school friend was not interested in studies after high school, so after high school he never actually cleared any of the entrance exams and not even opted to study further. Now he owns a Juice Corner nearby and I usually give him visits in order to have Fruit Juice for cheaper cost(sometimes for free). Such one day when I went to him for Fruit Juice (of course for free) he told me his cousin brother has come to the town for some rape case and cleared case in just few minutes against a Government Lawyer. I was impressed when heard, "just in few minutes". He asked me if I want to have a talk with him and as usual, I agreed, because I always like masters of the game. He was sitting nearby, my friend took me to him and introduced me as his friend. After having a chat on some unnecessary stuff I asked, "What kind of Lawyer you really are brother? ". Okay I know that was a cheap question but he answered, "A Criminal Lawyer.". "What you really do as a Criminal Lawyer ?", I asked. "I save Criminals.", he replied.


"Don't you think it's wrong ? ". He answered, "When people don't think it's wrong then why should I ?". "Of course everyone thinks it's wrong.", I objected. "It's just their misconception.", he answered. "What you really mean misconception.".


"When I studied law and I came to know law is based on what people actually think, it's not really based on any kinda justice. People think the thing is wrong, when that thing happens to them, otherwise people don't really bother. In fact the person with whom the wrong happens, even he don't think it's wrong and hence we always have arguments to save the guilty from getting punished.". I was quite surprised, "How can be that possible, you can't just convince me with whatever you want.". "So if you need an example, I have many to tell. So people say dowry is wrong, all know that, the boy, the girl, their friends and families too. But boy never objects, his family never objects, girl never objects nor her family and neither of their friends, actually they support this anyhow even though they know it's wrong, in other words directly or indirectly they believe it's not wrong and that's why they don't want to object, though we say law is equal for all here it becomes unequal. We say rape is a crime and every rapist should be punished, by the way what if the rapist is your own son, parents know rape is a crime though they pay to defend their son in court, for some cases we can say, yes he is their son but what about his own sister and wife, even they support the guilty. Second case where law becomes unequal in people's eyes. The fact I have seen until now in my career is that other ladies actually make fun of those who got raped, so even victim never comes ahead to take challenge because his own gender makes fun of her to become a rape victim. Again law becomes unequal, so I think it is clear that law is equal until it comes to our own beloved ones, above conditions never change on any type of crime not even in murder. And if you think you are an exception then again you are wrong. 98% people in this world behave like this and say 'Law is blind', real bullshit, because law has most powerful eyes in the world, because not only it can see what is visible, but is also able to see what is in mind of people and that's how every law is built, you can save any criminal subject just by any minor argument. We actually built every law to save our beloved ones, same thing applies to every criminal, of course he is beloved to someone, even law makers never fall to exception and hence they never forget to put such argument points which can help Lawyers saving their subjects. Believe it or not law becomes unequal when it comes to our beloved ones and hence law is just argument based not real justice based. No one really bothers until bothering thing comes to them. When people will really change their minds, law will change and we'll then hardly have any point to save guilty. Don't just say it's wrong, believe it, don't just boast equality in law, follow it, then and only then any lawyer may hardly get chance to save a guilty from being punished. And don't take an argument with me you can never win, you are just a kid before me, for now I have an advice for you, complete your studies, earn hefty amount of money, and if someone does something wrong to you, don't just sit down and wait law will do something. Take your revenge, come to me and I'll save you or at least I can pull case to a level until you die and after your death no one really bothers you got punished or not. Remember buddy law is not actually built to punish, it is built to save."


I was really speechless on his arguments and I got how he might be winning cases so easily. His words put tape on everyone's mouth who was arguing with him on same thing and that took him less than 5 minutes. When I returned home I thought carefully on his words and anyhow I felt he is right. Law becomes unequal when pin points at us or our beloved ones and only this forms base for guilty being saved. Law is surely not blind, it really have most powerful eyes which can even read conscious and sub-conscious minds of people and then designs and crafts itself likewise. Even 70% people really change their views on equality of justice, then laws will change themselves in way so that those points which were able to protect a guilty from getting punished will no longer remain that strong, because they'll become a common sense joke to all to get put forward. How dumb of me and all to think law is blind and awe-full whereas a justice is made with our own request and is always 100% Lawful.

Microsoft's Chief Software Architect Ray Ozzie To Step Down. Steve Ballmers Mail.

Posted: 19 Oct 2010 05:07 AM PDT

Ray Ozzie, Microsoft's Chief Software Architect will step down. Ozzie had assumed the role of CSA in Microsoft in 2006. He played an influential role in the making of Windows 7. Following is the mail from Steve Ballmer to all Microsoft Employees -

Quote:
From: Steveb
Sent: Thursday, October 18, 2010
To: Microsoft – All Employees
Subject: Ray Ozzie Transition
This past March marked a significant milestone for the company when, in a speech at the University of Washington, I sent a message to the world that we're 'all in' when it comes to the cloud. In that speech I noted that Ray's Internet Services Disruption memo nearly five years ago, and his work since, stimulated thinking across the company and helped catalyze our drive to the cloud.
As a company, we've accomplished much in the past five years as we look at the cloud and services. Windows Live now serves as a natural web-based services complement to both Windows and Office. SharePoint and Exchange have now decidedly embraced the cloud. And by conceiving, incubating and shepherding Windows Azure, Ray helped ensure we have a tremendously rich platform foundation that will enable app-level innovation across the company and by customers for years to come.
With our progress in services and the cloud now full speed ahead in all aspects of our business, Ray and I are announcing today Ray's intention to step down from his role as chief software architect. He will remain with the company as he transitions the teams and ongoing strategic projects within his organization – bringing the great innovations and great innovators he's assembled into the groups driving our business. Following the natural transition time with his teams but before he retires from Microsoft, Ray will be focusing his efforts in the broader area of entertainment where Microsoft has many ongoing investments. We have tremendous opportunities in the entertainment space overall, and I'm excited about what we can accomplish. Beyond that, Ray has no plans at this time. While he'll continue to report to me during the transition, the CSA role was unique and I won't refill the role after Ray's departure. We have a strong planning process, strong technical leaders in each business group and strong innovation heading to the market.
While Ray will be onboard for a while, I'd like to thank him today for his contributions to Microsoft, both as a leader and as a long-time Microsoft ISV. As an early ISV, Ray contributed significantly to the early success of Windows. Since being at Microsoft, both through inspiration and impact he's been instrumental in our transition toward a software world now centered on services. He's always been a 'maker' and a partner, and we look forward to our continuing collaboration as his future unfolds. Ray has played a critical role in helping us to assume the leadership position in the cloud, and positioned us well for future success.
Please join me in thanking Ray and wishing him well.
Steve

Voltage regulator Capacitor values ... ?

Posted: 19 Oct 2010 04:40 AM PDT

Hello
i keep on wondering how to determine Capacitor values for input and output of a voltage regulator
for instance , right now i'm using 7809. the datasheet and the engineers around me are giving me different values for the VR input C and output
for instance some say for input
330N ,
0.1u
output
10u
1N
100N

is money required to make money??

Posted: 19 Oct 2010 03:56 AM PDT

is money required to make money???

How to have your name instead of start in the start panel?

Posted: 19 Oct 2010 03:51 AM PDT

do anyone know how to have your name instead of start in the start panel without using any additional software?????
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