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    Quiz Quiz Document Transcript

    • FACULTY OF ENGINEERING (Affiliated to Kurukshetra University) CHIRAO, KARNAL HARYANA Quiz Master System MAJOR PROJECT SYNOPSIS BACHELOR OF TECHNOLOGY Electronic and Communication Engg. Session-2010-2013 SUBMITTED TO: SUBMITTED BY: Er. RAHUL PANWAR SOURABH (7910476-L) ( HOD ECE & Project Head)
    • Objective:- This project is basically a game show consisting of few questions with four options containing one correct answer. The question will be displayed on a LCD with its options and the player is been provided the keys correspondent to the options of the answer. Description of project:- This project can be used for a quiz with up to 4 contestants (or teams). Each contestant has a trigger push-switch and LED. When a trigger switch is pressed it lights the corresponding LED, sounds the bleeper and prevents the other trigger switches from working - therefore showing which contestant was the first to press their switch. A reset push-switch (operated by the quizmaster) cancels the bleeper and switches off the LED so the circuit is ready for the next question. The circuit consists of four 555 timer bistables which are triggered or reset when their inputs are low. Their reset inputs are connected together and operated by a single reset push- switch. The trigger switches are connected to the bistable trigger (pin 2) through a 0.1µF capacitor so that only the initial press triggers the bistable; continuing to hold the switch closed will have no effect. This is called edge triggering. Connecting the switch directly to the bistable would prevent the quizmaster from resetting the circuit until the trigger switch was released and trials showed that many contestants kept the switch pressed until asked to give their answer! When triggered the bistable output (pin 3) lights an LED and makes the 'trigger line' high - this prevents any other bistable being triggered and sounds the bleeper. A diode is used to link the output to the trigger line. Definition of project:- This project consists of a RF based remote containing 4 switches representing options and also a switch for quitting the game. The player will press the key according to the option he wants to go with. The answer with respect to the key pressed will be checked by the means of the microcontroller, if the answer is
    • right then the level of the game is been increased and a wrong answer will lead to the end of the game. This type of quizmaster is been employed in various popular game shows like “WHO WANTS TO BE A MILLIONARE”, as well it can also been used at school and college level to organise the quizzes and for the online tests. If two events appear to occur almost simultaneously, it becomes quite difficult to decide which one occurred first. This project can be used to find the correct answer of the question. This project also indicates the cash money won by the player. Block Diagram:- Working:- The circuit described above is the combination of the various electronic components. The soul of this project is the micro controller-8051. This 40-pin IC consists of 4 KB of internal memory which is of great use in this project. When the question is been asked by the host, the question will be displayed on the LCD screen with the options. Now the contestant will press switch according the option. If the option
    • selected is right then green LED will glow otherwise red. For every right answer a cash increment is awarded to the player. If he wants to quit the game then he/she can quit the game by pressing the quit switch. The display section contains a LCD which is 16*2 mean 16 bit and 2 lines. It is a 16 pin device. Its pin number 7 to 14 is connected to pin number 39 to 32 of microcontroller. Because it is connected to p0 of microcontroller so we have to use pull up registers. For pull up registers we use a 10k sip. It has 9 pins in which its first pin is connected to 5volt VCC and pin numbers from 2 to 9 are pull up registers and are connected to pin number 7 to 14 of LCD and connected to pin number 39 to 32 of microcontroller. The input side consists of 4 trigger switches representing four options are been placed on a remote which works on RF signal. This project can be operated from a distance of 50m as the RF signal do produced is at the frequency of 455 Hz. This feature makes this project more flexible. Component List:- S.No. COMPONENT SPECIFICATION QUANTITY 1. MICRO CONTOLLER ATMEL8952 1 2. CRYSTAL OSCILLATOR 11.0592 Hz 1 3. LCD 16*2 1 4. POTENTIOMETER 10 K 1 5. TRANSISTOR(PNP/NPN) BC 557 1 6 LED’s 6 8. SWITCHES Push to on 7 9. CAPACITORS 10Uf,22pF 1.2 11. RESISTANCES 3.3kohm 7 12. PCB Specific 1
    • 13 PULL UP RESISTOR 10K 1 14 RF MODULE 455Hz 1 15 IC HT-12E 1 16 IC HT-12D 1 17 IC 555 1 18 ANTENNAS 2 Software details:- 1. It is operated computerised. 2.keil and c programming is used 3.proteus Estimation cost of project is RS 6500. Advantage : 1. Compact: the size of the unit is mainly the display and the switch. 2. Cheap 3. Easy recognition which option has been selected. 4. User understandable. Scope:-  If two events appear to occur almost simultaneously, it becomes quite difficult to decide which one occurred first. This project can be used to find the event which one occurred first. This project is a useful hack when it come to make your own quiz-show, or maybe just train your team for a real TV show or even simply to have fun... building it.
    •  Online tests.  For the school and college level quiz. Conclusion:- Over the course of designing QuizMaster iteratively, we learned many important aspects of good iterative design. We would suppose that programmers often assign too much importance to implementing a design rather than ensuring that it is a good design in the first place. We found the user testing to be extremely helpful in designing QuizMaster and we wish we had had the opportunity to perform more testing and increase the number of iterations of implementing the program and testing its features with users. We also learned that even though the information gathered by observing users using our program was invaluable, the suggestions from the users of how the interface could be improved needed to be taken with a grain of salt. Individual users often do not always know what would make the program easier to use. Reference:- www.csail.mit.edu www.doelectronic.com www.4shared.com