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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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common anode LED display, circuit board, power supply +5V DC, connecting wires, soldering iron, cutter etc.
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..................[:=> 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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ed or decremented.




The outputs shown in the display section are based on the increment and decrement of the counters. Based on these outputs the actuating 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..................[:=> 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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in and A2 pin all other pins are low. It helps the counter to count from 20 onwards. Here we are implementing a down counter which counts from 20. When 20 peoples had entered the theater the count reach 0 and the counting stops. When the count is stopped the door is closed until the show is completed. If the show is finished the door is made open for people to left from the theatre.
The output from both the counter is given to the two driver ICs respectively there are only four outputs from the counter ICs from driver ICs these output is passed to the seven segments through seven pins the sev..................[:=> 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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ced PIC microcontrollers
135. Floating-point multiplication (VHDL).
136. Performance and Analysis of Multi carrier DS-CDMA Communication System.
137. Wireless Energy Meter
138. Emergency Light Using Cfl
139. Automatic Room Light Controller with Load Variation.
140. Design and discrete cosine transform processor on FPGA for video compression
141. Darkness Controlled Light Switch
142. 3+1 motor based robotic arm.
143. Automatic Beverage Vending M/C
144. Ultrasonic Distance Meter
145. Voice Guided Wireless Robot
146. Wire Less Based Automatic Shutter Control System.
147. Magic Li..................[:=> 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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- 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. Micro C..................[:=> 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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of A Multi-Channel UART Controller Based On FIFO
253. Car Anti-Theft Wireless Alarm
254. Sensors And Light Dependent Resistor
255. Pattern Recognition System
256. Time Operated Home Appliances
257. MICROCONTROLLER BASED CHANNEL ON/OFF BY REMOTE
258. Six Channel Petrochemical Fire Monitoring & Control Station
259. Speed Control of DC Motor using PWM
260. PIC microcontroller based pick and place robot controller
261. Security System Based on PC
262. Low-Cost PCO Billing Meter
263. Micro Controller Based Water Level Controller Cum Motor Protector
264. Robotics arm for test tube..................[:=> 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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Simple digital stopwatch using at89s51 Microcontroller..................[:=> Show Contents <=:]



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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ature -20°C to 75°C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maxi¬mum Ratings may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged expo¬sure to extreme conditions may affect device reliability.
D.C. Characteristics Ta=25°C
Symbol Parameter Test Conditions Min. Typ. Max. Unit

VDD Conditions



VDD Operating Voltage ” ” 2.5 5 5.5 V
IDD Operating Current 5V â€..................[:=> Show Contents <=:]



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