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Study the working decoder for conversion of BCD into 7segment display code


Posted by: seminar class
Created at: Friday 13th of May 2011 06:11:02 AM
Last Edited Or Replied at :Friday 13th of May 2011 06:11:02 AM
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Circuit diagram




Procedure –
1) You are given IC 7447/7448 and the 7–segment common anode LED display. Identify them with their proper pin configurations.
2) Switch on the power supply of the circuit.
3) Connect different BCD inputs from 0000 to 1001 and note down the corresponding output on the display.
4) Tabulate the readings
Brief theory – to display the data, we have to convert it from BCD to 7-segment code. The IC makes this process. It has four inputs cal..................[:=> Show Contents <=:]



Automatic car parking system


Posted by: seminar project explorer
Created at: Monday 14th of March 2011 06:35:25 AM
Last Edited Or Replied at :Friday 12th of October 2012 02:54:42 AM
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uating signals are used to enable the different status signal.

The display section also consists of certain status signals. The different status signals include:

1. A yellow signal to indicate that a car is currently in the process of entering or leaving the parking space.

2. A green signal to indicate that the parking lot has not reached its maximum capacity and that space is available for the parking of a car in the parking area.

3. A red signal to indicate that the parking space is full. The activation of this signal coincides with the disabling of the green signal and consequen..................[:=> Show Contents <=:]



AUTOMATIC DOOR In theatres WITH DOWN COUNTER DISPLAY


Posted by: seminar class
Created at: Monday 28th of February 2011 02:22:18 AM
Last Edited Or Replied at :Thursday 04th of April 2013 11:34:57 AM
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esistance varies when a person cross by. The LDR get activate when the light gets cut. Two sensors are applied in which the sensor I is used to open the door and to count. And sensor II is used to close the door. Their output is leading to control unit.
CONTROL UNIT
Control Unit consists of an S-R flip flop in which the voltage from the sensors is fed to set, reset pins. One of the outputs is fed to open the door and the other is fed to counter.
COUNTER
Here we use down counter in which when a person is entered the count is decremented.
DOOR
When the set, reset pi..................[:=> Show Contents <=:]



digital electronics project


Posted by: project topics
Created at: Wednesday 29th of December 2010 06:53:16 AM
Last Edited Or Replied at :Friday 23rd of November 2012 02:14:52 AM
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119. Ultrasonic Radar
120. Telephone Number Display
121. Hit Switch
122. Priority for Emergency Vehicles in Traffic Signals
123. Condenser Mic Audio Amplifier
124. speech processing using Kalman filter
125. Prep - Paid Energy Meter
126. RFID Based Attendance System
127. A Fuzzy based PID Controller using VHDL/VERILOG for Transportation
128. Traffic Controller
129. Remote Controlled Land Rover
130. CD-ROM Drive As Digital-Audio CD-Player
131. Specifications
132. Solar Panel battery charger
133. Implementation of image slicing using MATLAB.
134. Aqua robot based on Advanced..................[:=> Show Contents <=:]



electronics project design


Posted by: project topics
Created at: Wednesday 29th of December 2010 06:52:46 AM
Last Edited Or Replied at :Wednesday 29th of December 2010 06:52:46 AM
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r- To- Rf Converter
57. Automatic rain fall detector
58. 8051 Programmer
59. Low cost PCO Billing meter
60. ADC Kit
61. microcontroller based security systems in restricted areas
62. IR Remote Switch
63. PC Based Single Channel Data Acquisition
64. Brake Failure Indicator
65. Telephone Call Meter Using Calculator And COB
66. IR Remote Switch using TV remote
67. Interfacing IBM Key Board To Micro Controller
68. MICRO CONTROLLER BASED HEAT SENSITIVE SWITCH
69. Micro Controller Based System For Monitoring And Measurement Of Signals
70. Remote Control Rover with Moving arm
71. Mi..................[:=> Show Contents <=:]



electronics project for final year


Posted by: project topics
Created at: Wednesday 29th of December 2010 06:24:05 AM
Last Edited Or Replied at :Wednesday 29th of December 2010 06:24:05 AM
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Using Light Dependent Resister
190. Smart Phone Light
191. Water level indicator With Alarm
192. Altimeter --- To Measure The Altitude
193. Pc Based Remote Batch Counting And Control System
194. Automated Traffic Signal Controller
195. Axis Robot (Programmable)
196. Programmable Priority Time Switch
197. Development Of PIR Motion Sensor For Detecting Body Movement
198. Desktop Power Supply
199. Solar Tracing System
200. Antisleep Alarm for Students
201. Remote Operated Wireless Crane Control System
202. Extension Phone Switcher
203. Computerized Drilling Machine
204...................[:=> Show Contents <=:]



Simple digital stopwatch using at89s51 Microcontroller


Posted by: project report helper
Created at: Thursday 14th of October 2010 05:57:00 AM
Last Edited Or Replied at :Tuesday 19th of March 2013 02:19:53 AM
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TELEPHONE OPERATED CALLING SYSTEM full report


Posted by: project report tiger
Created at: Thursday 04th of March 2010 03:43:51 AM
Last Edited Or Replied at :Thursday 04th of March 2010 03:43:51 AM
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ing ink is poured on the screen as brushed through the top of the screen. For few hours, the printed board is kept under shade till the ink become dry. The etching medium is prepared by mixing anhydrous ferric chloride and water. The printed board is kept in this solution till the exposed copper dissolves in the solution fully. After that the board is taken under a tap and rinsed in flowing water. With the help of a thinner, the ink is removed and the board is coated with solder in order to prevent oxidation.
Another screen which contains component side layout is prepared and the same is prin..................[:=> Show Contents <=:]



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