The design, construction and maintenance of buildings has a tremendous impact on our environment and our natural resources. The buildings all together use the one-third of all the energy consumed in the country and two-thirds of all electricity. So the challenges is to build them smart, so that they use a minimum of nonrenewable energy, produce a minimum of pollution and costs a minimum of energy, while increasing the comfort, health and safety of the people who live and work in them. Here comes green buildings which alienates the isolation of ....etc

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i need embedded systems interview questions and answers for interview. Please help friends ....etc

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A Light emitting diodes (LEDs) have gained broad recognition as the ubiquitous little lights that tell us that our monitors are on, the phone is off the hook or the oven is hot semiconductor.

The basic principle behind the emission of light is that: When charge carrier pairs recombine in a semiconductor with an appropriate energy band-gap generates light. In a forward biased diode, little recombination occurs in the depletion layer. Most occurs in a few microns of either P- region or N ?region, depending on which one is lightly doped.

LE ....etc

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My topic was selected.it is audio spot lighting.I got some semiar reports from the net.But it is not much for me.I want to know more about it.I have a lot of doubts.I want to know about it block diagram.what is bekyats equation?what is it's importance in audio spot lighting?.what device use for produce ultra sound?what input is given to the device?what is audio spot light emitter?and a lot of doubts in mind.Repily assoon as possible. ....etc

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GSM Based Lighting Control System Using Microcontroller
Presented By:
Rodelyn B. Cañizares
B.S. Electrical Engineering
1.0 Introduction
1.1 Background of the Study
Lighting is a major source of electricity consumption.Commercial public sector buildings and residential houses account for 43% of the electricity used for lighting. There are common problems that home owners encountered in relation with lighting system. One of this is due to some negligence like leaving the lights ON results of having great ....etc

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STREET LIGHTING SYSTEM



In India you must have seen many places where Street Lights will be ON whether its day time or night or worst is the case when it will be ON for 24 hours. This wastes lots off electricity and to save energy is one of the most important tasks nowadays where our resources are being finished.

This project consists of an RTC which is responsible for generating time. We will write the program such that depending on the time the light will be ON or OFF.

In place of RTC we can use LDR which will see the brightness ....etc

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Project report
ON
SOLAR BASED L.E.D LIGHTING SCHEME
BY
ELECTRICAL DEPARTMENT BOOTH

TEAM MEMBERS
01. Arundhati Kalane (coordinator)
02. Arvind Shinde
03. Ashish Shahare
04. Bablu Jha
03. Gayatri Shirure
08. Jayshree Gawai
07. Monali Chaudhari
08. Parvez Naikwadi
09. Prasad Chitare
10. Priyanka Gugale
11. Ravindra Yadav
12. Rohita Sagavkar
13. Rugved Deshpande
14. Sagar Shelke
15. Sagar Zaparde
16. Sapana Yawalkar
17. Sharmily Mergu
18. Vishwabharati Ramteke
COLLEGE OF ENGINEERIN ....etc

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Hey Guyz, I really need some material on the topic. I've gotten some stuffs, but i'm not really satisfied with them. pls kindly help me out.......Thanks(in advance)




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control of Home Lighting System
has developed from standalone type to more complicated networking controls. Many building management system and even the security system have incorporate the control of lighting into their system as a total solution to their customers. However, there are still no single universal protocol for the building or lighting control system.

The lighting industry has developed a new standard for communication with electronic ballast. Electronic ballast is a common lighting device that is used in practically every buil ....etc

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