ConstruCtion microcontroller-based Ultrasonic distance meter and receiver)‚ current buffer ULN2003‚ operational amplifier LM324‚ inverter here are several ways to measCD4049‚ four 7-segment displays‚ five ure distance without contact. transistors and some discreet comOne way is to use ultrasonic ponents. The ultrasonic transmitterwaves at 40 kHz for distance measurereceiver pair is shown in Fig. 1. ment. Ultrasonic transducers measure Ultrasonic generators use piezothe amount of time
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MAHAMAYA TECHNICAL UNIVERSITY‚ NOIDA Syllabus For B. TECH. SECOND YEAR Of ELECTRONICS AND COMUNICATION ENGINERING(EC) ELECTRONICS AND TELECOMMUNICATIONENGINERING (ET) ELECTRONICS ENGINERING (EL) (Effective from the Session: 2013-14) SCHEME OF EVALUATION OF B TECH SECOND YEAR (from academic year 2013-14) SEMESTER III (EC/ET/EL) Periods S.N O. 1 2 Subject Code AS-306 AS301A Subjects L T 0 1 P 0 0 Evaluation Scheme Sessional End Semester CT TA TOT P Th P 10 10 20 80 30 20 50 100 Total 100
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switch: The two terminals are either connected together or disconnected from each other. An example is a light switch. Piezoelectric Buzzer High performance Buzzers used for indoor operations‚ and are moisture resistant. LED (Light Emitting Diode) Low cost semiconductor light source‚ which works on the principle of Electroluminescence. Problem Solution This is the circuit diagram of a simple corrosion free water level indicator for home and industries. In fact the level of any conductive
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Sine wave (b) saw tooth wave (c)trapezoidal wave (d) Square wave 2. In a thyristor circuit‚ the angle of conduction can be changed by changing (a) anode Voltage (b) Anode Current (c) Forward Current rating (d)gate Current 3. Freewheeling diodes are mainly used for (a) Better utilization factor (b) di/dt protection (c) Quick turn on (d) None 4.The value of dc load voltage for a 1-( semi converter under continuous conduction mode is (a) Vm/((1+cos() (b) Vm/2((1+cos()
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Functionalist Perspective Society Functionalist Perspective Everyone has a ‘function’ within society The pink arrows represent that everyone must put something into society‚ eg work‚ study etc Society The blue arrows show that if you put something into society then you will gain something back‚ eg education‚ health care‚ security etc Functionalist Perspective The stick people represent different systems and subsystems within society‚ eg private industry‚ the police‚ schools‚ hospitals etc
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Microcontroller Based Home Security A PROJECT REPORT ON “MICROCONTROLLER BASED HOME SECURITY SYSTEM” ABSTRACT Engineering is not only a theoretical study but it is a implementation of all we study for creating something new and making things more easy and useful through practical study. It is an art which can be gained with systematic study‚ observation and practice. In the college curriculum we usually get the theoretical knowledge of industries‚ and a little bit of implementation knowledge
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manufacturers. Earlier‚ due to quality control reasons‚ American manufacturers such as GoldStar (now bought over by LG) were reluctant to relocate their production plant to Asia. However‚ due decreasing component cost (especially production of electronic diode and cathode ray – important components for TVs at that time) from ASEAN Countries‚ they decided to create new plants in ASEAN – as a result‚ more schools in ASEAN are starting to open basic electronic education (unique opportunity for
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5AR4 Full Wave Rectifier The 5AR4 is a heater-cathode twin diode designed for full-wave rectifier opertion. High output current and small size make this tube especially suitable for compact amplifier designs. ELECTRICAL Cathode .................................................................................................................. coated unipotential Heater Voltage AC or DC ....................................................................................... 5.0 ! 10% Volts Heater
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DETAILED SYLLABI OF B.Tech DEGREE PROGRAMME IN ELECTRONICS AND COMMUNICATION ENGINEERING (Applicable from 2010 Admission onwards) DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING NATIONAL INSTITUTE OF TECHNOLOGY CALICUT 26 MA 1001: MATHEMATICS I L 3 T 1 P 0 C 3 Module 1 (12 hours) Preliminary Calculus : Partial differentiation‚ Total differential and total derivative‚ Exact differentials‚ Chain rule‚ Change of variables‚ Minima and Maxima of functions of
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http://mskrao.weebly.com http://mskrao.weebly.com http://mskrao.weebly.com 1. INTRODUCTION In this busy world‚ minimizing the human effort and time is the ultimate aim of technology. It may be frustrating when a tired person gets into bed and remembers he had forgotten to switch the bed light off. The project ‘automatic night lamp with morning alarm’ helps avoid this problem by switching on an LED itself when it detects darkness in the room. The LED serves as a bed lamp or a reading lamp
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