can therefore change it’s resistence. There are many different kind of resistors an example of this is (LDR‚ THERMISTER). LDR (Light-dependent Resistor) An LDR changes it’s resistance depending on how much light there is eg: In Bright light the resistance falls In darkness‚ the resistence is highest Thermistor( Tenperature-Dependent Resistor) A thermistor is similar to an LDR but it’s resistance depends on temperature eg: In hot conditions the resistance drops In cool conditions
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MP52 www.wineyard.in Intelligent IR & LDR based automatic High way light control system Technical Specifications: Title of the project : Intelligent IR based automatic highway lighting Domain : Embedded Systems Design Power Supply : +5V‚ 500mA Regulated Power Supply Sensors : IR pair‚ LDR Load : Highway lighting system Applications : Street lights‚ Industrial and House Hold Applications Developed By : M/S Wine Yard Technologies
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light‚ the resistance of LDR decreases due to which the base voltage decreases. The voltage becomes so low that the base emiGer junc4on is not forward biased due to which the transistor turns OFF. Hence‚ the LED doesn’t glow. On the contrary‚ when the circuit is taken into dark‚ the resistance of LDR decreases‚ due to which
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compressors that use a light source to control a Light Dependent Resistor (LDR) are not new‚ and indeed there are many classic optical compressor designs. The design goal of the SOC-1.1 was to further enhance the attributes of optical compression to provide the user with alot more functionality as well as improve the compressor response to real world audio signals. We have carefully examined the characteristics of the LDR and developed a truly unique process to control it. This process we call the
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Indonesia in the period of 2008-2011 by using financial ratios to measure the financial performance‚ as well as SFA (Stochastic Frontier Approach) to the measure bank efficiency. Financial ratios that are used are consisted of CAR‚ NPL‚ ROA‚ ROE‚ and LDR. Meanwhile variables that are used to measure the efficiency are receivables‚ placements with Bank Indonesia and other banks‚ third-party funds‚ and issued capital and fully paid capital. The samples consist of 11 conventional banks and 11 sharia banks
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factors on which the internal resistance /emf of a cell depends. 14. To study variations‚ in current flowing in a circuit containing a LDR ‚ because of variation. a. In the power of the incandescent lamp used to ‘illuminate’ the LDR. (keeping all the lamps at a fixed distance) b. In the distance of an incandescent lamp‚ (of fixed power)‚ used to ‘illuminate’ the LDR. 15. To find the refractive indices of (a) water (b) oil (transparent) using a plane mirror‚ an equiconvex lens‚ (made from a glass
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Neonatal Intensive Care Unit‚ and Postpartum. I began to observe how all three areas contribute and coincide with greater outcomes of mother‚ baby‚ and family in patient care. Furthermore LDR is the starting point of the overall framework of labor‚ birth‚ and what occurs after the birthing process. On the LDR unit the writer was able to observe a patient who was a Hispanic woman in her early twenties who was pregnant with a baby girl. The patient reason for visit was induction due to her being 41
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MICROCONTROLLER BASED AUTOMATIC RAILWAY GATE CONTROL Submitted by [pic] M.V.PRAVEEN KUMAR M.SATISH ¾ EEE‚ ¾ EEE‚ Praveenwish007@yahoo.co.in satishwin46@gmail.com Contact: 9989823951 Contact: 9966633406 S.R.K.R.COLLEGE OF ENGINEERING BHIMAVARAM ABSTRACT: The objective of this paper is to provide an automatic railway gate at a levelcrossing
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Accounting and Decision Making Techniques Assignment MFP/MBA November 2012 –March 2013 Course Lecturer: S.A. Palan ONUR CAN ASLAN B0316KGKG1112 2013 Table of Content ABSTRACT 3 INTRODUCTION 4 Importance of Investment Appraisal for Business Entities 5 Calculations of NPV‚ IRR and Payback Period 5 Selection of Projects 8 Changes in the NPV with cost of capital 8 Changes in the IRR with cost of capital 9 Difference of sensitivity between Long-term and Short term NPV 9
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absolute darkness. With this‚ the power will be wasted up to some extent. This project gives the best solution for electrical power wastage. Also the manual operation of the lighting system is completely eliminated. In our project we are using LDR‚ which varies according to the amount of light falling on its surface‚ this give an indication for us whether it is a day/night time. We have placed IR sensors in both sides of the road‚ which can be controlled by Micro controller (AT89C51).The IR‘s
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