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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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00 to 1001 are applied at the input terminals, the IC produces equivalent outputs at its output terminals from a–g. The 7–seg display is common anode type.
2) Suppose BCD input is DCBA = 0101. It is equivalent to decimal 5. This input is converted into equivalent 7–seg code by the IC and its outputs abcdefg = 0100100. 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 decim..................[:=> 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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g circuits.
The sequence detection logic circuit consists of three flip-flops for detecting the incoming as well as the outgoing vehicles. The Y0 line is connected to the clear lines of all the flip-flops, which gives zero at their respective outputs. The vehicle entering the parking area must interrupt the first sensor (before entrance), then both the sensors and finally just the second sensor (after entrance). Thus the sequence generated states are 10, 11 and 01, necessarily in that sequence.
For identifyi..................[:=> 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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he transistor maintains in off state. From the transistor voltage is fed to the optocoupler as the transistor is in off state no current is produced so the coupler will not work and 0v output formed is fed to the tip. A tip is connected to the output of the optocoupler which needs 5v to work as the optocoupler is failed to produce 5v output the tip does not work. The tip is connected to the relay which act as a switch it has two conditions normal close and normal open initially it maintain in the normal close state when there is no current to reach it changes to the normal open state. The volt..................[:=> 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,
igital Compass/Navigation
40. DC Motor Speed Control using PC serial port
41. Microcontroller based Automatic railway gate control
42. Electronic Dice Using AT89C2051
43. Electronic Voting M/C
44. Over Speed and Drunken Drive Indicator
45. A method for improving the robustness of PID control
46. Multi-Melody Generator With Instrumental Effect
47. Remote Control Audio Processor
48. Design analysis of -Gigabit Ethernet media access controller(gemac) core for
49. Solar Lighting System
50. Auto Car Parking
51. Integrated Electromechanical Controls Laboratory using Programmable Logic C..................[:=> 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 ,
Robotic Arm
203. RF Control of Motors
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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,
Hearing Aid
148. Multi Level Parking With Lift & 3rd Floor VIP parking with Code Lock & Indvidval Floor Count Display
149. Digital Temperature Controller – Microcontroller Based
150. Multi Zone Fault Detector Using PLCC
151. Development of microcontroller synthesizable model and implementation
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) ..................[:=> 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 stopw..................[:=> 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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VDD Operating Voltage ” ” 2.5 5 5.5 V
IDD Operating Current 5V ” ” 3.0 7 mA
!STB Standby Current 5V PWDN=5V ” 10 25 uA
VlL Low Input Voltage 5V ” ” ” 1.0 V
Vm High Input Voltage 5V ” 4.0 ” ” V
In, Low Input Current 5V VVP=VVN=0V ” ” 0.1 uA
Ira High Input Current 5V VVP=VVN=5V ” ” 0.1 UA
ROE Pull-high Resistance (OE) 5V VOE=0V 60 100 150 ko
RIN Input Impedance (VN, VP) 5V ” ” 10 ” Mn
December 20, 1999
Symbol Parameter Test Conditions Min. Typ. Max. Unit


VDD Con..................[:=> Show Contents <=:]



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