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Title: 8 CANDIDATE QUIZ BUZZER USING 8051 MICRO CONTROLLER AT89C51
Page Link: 8 CANDIDATE QUIZ BUZZER USING 8051 MICRO CONTROLLER AT89C51 -
Posted By: seminar class
Created at: Friday 04th of March 2011 03:40:02 PM
| 8 candidate quiz buzzer using 8051 microcontroller at89c51,
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POWER SUPPLY
The input to the circuit is applied from the regulated power supply. The a.c. input i.e., 230V from the mains supply is step down by the transformer to 5V and is fed to a rectifier. The output obtained from the rectifier is a pulsating d.c voltage. So in order to get a pure d.c voltage, the output voltage from the rectifier is fed to a filter to remove any a.c components present even after rectification. Now, this voltage is given to a voltage regulator to obtain a pure constant dc voltage
Transformer ....etc
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Title: 8 candidate quiz buzzer using 8051 microcontroller at89c51 ppt
Page Link: 8 candidate quiz buzzer using 8051 microcontroller at89c51 ppt -
Posted By:
Created at: Friday 12th of October 2012 09:30:21 PM
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Title: 8 candidate quiz buzzer using 8051 microcontroller at89c51 project report download
Page Link: 8 candidate quiz buzzer using 8051 microcontroller at89c51 project report download -
Posted By:
Created at: Sunday 30th of December 2012 12:23:46 PM
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Title: hex code for 8 candidate quiz buzzer using 8051 microcontroller
Page Link: hex code for 8 candidate quiz buzzer using 8051 microcontroller -
Posted By:
Created at: Friday 08th of February 2013 01:38:18 PM
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Title: 8 candidate quiz buzzer using at 89c51 micro controller ppt
Page Link: 8 candidate quiz buzzer using at 89c51 micro controller ppt -
Posted By:
Created at: Thursday 28th of February 2013 05:20:23 PM
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Title: block diagram of 8candidates quizz buzzer using 8051 microcontroller
Page Link: block diagram of 8candidates quizz buzzer using 8051 microcontroller -
Posted By:
Created at: Sunday 23rd of December 2012 06:07:49 PM
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Title: 8 candidate quiz buzzer using 8051 microcontroller at89c51
Page Link: 8 candidate quiz buzzer using 8051 microcontroller at89c51 -
Posted By:
Created at: Tuesday 16th of October 2012 10:48:17 PM
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hello sir....
I like this project and mad this project so I want this projeject. and please give me a this project code.
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Title: 8 candidate quiz buzzer using 8051 microcontroller at89c51
Page Link: 8 candidate quiz buzzer using 8051 microcontroller at89c51 -
Posted By:
Created at: Monday 14th of January 2013 11:22:39 AM
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requirement: any internation paper published earlier related to this topic ....etc
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Title: ppt of 8 candidate quiz buzzer using 8051 microcontroller at89c51
Page Link: ppt of 8 candidate quiz buzzer using 8051 microcontroller at89c51 -
Posted By:
Created at: Sunday 27th of January 2013 06:57:31 PM
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Title: simple quiz buzzer circuit using led and buzzer without using led display
Page Link: simple quiz buzzer circuit using led and buzzer without using led display -
Posted By:
Created at: Sunday 14th of April 2013 03:00:05 PM
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