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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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100100. For the input DCBA = 1000, all segments of the display will glow to show decimal 8 and outputs abcdefg = 0000000 and so on.
Conclusion –
1) When corresponding BCD inputs are applied from 0000 to 1001, we get decimal output on the display from decimal 0 to decimal 9.
2) The tails of ‘6’ and ‘9’ are not displayed on the display.
3) To display the tails of ‘6’ and ‘9’ IC 74247 is required.
4) In common anode FND 507 type display, the anodes of all LEDs are connected to a common line and connected to +5V regulated power supply. The cathode of each LED segment..................[:=> 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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When the input to the motor driver is 00, the motor does not rotate.
When the car has completely entered the parking area, the input to the L293D is 01, causing the motor to rotate such that the gate begins to close. Thus, the movement of the gate is controlled on the arrival or departure of a car. The table gives us a crystal clear picture of the working of the gate control section.
In order to disable the gate from opening for a vehicle entering the parking area after the count of 9, we use a simple combina..................[:=> 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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tice held. It also can use in high secured function and other meetings.
BLOCK DIAGRAM DESCRIPTION
POWER SUPPLY

The power supply is used for providing the required power for driving the overall circuit. Here we used a DC power supply
SENSORS
The sensor is used for sensing person entering the theater. Here we used a light depending resistor in which resistance 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 l..................[:=> 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
single chip timer with digital clock and calender, multi melody generator with instrumental effect , a single chip timer with digital clock and calender, nending machine project in vhdl , staircase climbing robot rf controlled kit price, vending machine using vhdl project , a single chip timer with digital clock and calendar project, www indvidval com , 4 digit 7 segment multiplex display, vhdl fpr cw receiver , electronic voting m c vhdl code, plc based object counter using conveyor belt , electronic dice using at89c2051, wireless biomedical monitoring system , digital electronics, digital electronics project , digital electronics project ideas,
85. Luggage Security System
186. Colour Sensor
187. Automatic room light controller with load variation
188. 7MHz CW/AM QRP Transmitter
189. Remote Audio Level Indicator
190. Dish Position Controlling & Monitoring System Used For Radar &
191. Little Door Guard
192. RFID based Access Control System with PC Logging
193. Under-Over-Voltage Beep for Manual Stabiliser
194. Security Alert System For Industries with Smoke Sensor
195. Project Name
196. Crystal-Controlled Time-Base Generator
197. Application
198. Micro controller based Dam control system for power Generation
199. FPGA ..................[:=> 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
programs for voters identification system using labview , dynamic temperature indicator and controller project, who s first game indicator , ppt finger impression based ration card system, metronome program vhdl , electronic voting m c vhdl code, temperature controlled water bath , atmega16 asm program for mobile controled robot, design of automatic off timer for cd players , thermistor thermometer 7 segment vhdl project, cardiac arrest auto car control using gsm , fuse cum power failure indicator, bank token apparatus ,
ilure 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 Controller Based Office Automation Using GSM Techniques
72. Digital Thermometer
73. FAST VOLTAGE CONTROLLED PULSE GENERATOR
74. MICRO CONTROLLER BASED Hopper Filling system
75. Microcontroller based Hotel bell Nu e calling bell system
76. MICROCONTROLLER B..................[:=> 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
automated vehicle identification and toll pass system, project on smoke sensor using microcontroller 8051 , project report on low cost rain gauges detectors, pic microcontroller based cardiac pacemaker , 4 digit 7 segment multiplex display, final year project on conductivity meter , pyroelectric fire alarm using 89c51 8051, melody generator pic controller , walking stick with heart attack 8051, documentation of ionizer mains 230v ac , 65 digital thermostat with lcd temperature display, parallel telephone with secrecy and call prevention using scr , coding for greenhouse robot using pic microcontroller,
entation
152. Generation Of -Sec Pulses Spaced -Sec Apart
153. Fluid Level Detection
154. Ramp Controlled Light
155. Wireless Weather Station (Temp,Humidity & Light Intensity & wind Speed with PC Logging)
156. MICROCONTROLLER AT- C BASED OVER CURRENT RELAY
157. LFSR (Linear Feedback Shift Register)
158. Telephone-Operated Calling System
159. Touch & Light Sensing Robot
160. Stepper Motor Conrol Using PC
161. RFID based Automatic Room Light with Access control
162. Home Automation (Ac/Dc) Using Pc Interface
163. Watchman Watcher
164. Automated Vehicle Identification And Toll..................[:=> 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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Operation:
• The display will show 00 at the startup
• Press the switch SP1 to get the watch to run
• Press the switch again to stop the watch
• To start the watch press the same switch again
..................[:=> 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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is dipped into the etching solution which is ferric chloride solution. Once the unwanted copper has been displaced into the solution the pcb is taken out and dried.
Drilling
The holes of mounting components are drilled using a mechanical hand drill. The holes of IC pins are drilled with .8mm drill bit and all other holes are drilled with 1mm drill bit.
COMPONENTS LIST
COMPONENTS SPECIFICATION QUANTITY
DTMF RECEIVER IC HT9170 1
DECODER IC LS7447 1
7 SEGMENT DISPLAY LTS 542 1
OR GATE IC 7432 1
TONE GENERATOR UM66 1
TRANSISTOR BC 548 2N2222
CRYSTAL 3.578MHz 1
ZENER DIODE 3.3V.5W 1
D..................[:=> Show Contents <=:]



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