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automatic railway gate control circuit diagram


Posted by:
Created at: Sunday 28th of July 2013 01:04:38 PM
Last Edited Or Replied at :Monday 29th of July 2013 12:31:10 AM
automatic railway gate control ,
i need to ckt diagram of automatic railway g..................[:=> Show Contents <=:]



Automatic Railway Gate Control and Track Switching full report


Posted by: project topics
Created at: Friday 23rd of April 2010 12:43:59 PM
Last Edited Or Replied at :Tuesday 23rd of April 2013 07:24:07 AM
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to avoid collisions .Here the switching operation is performed using a stepper motor. In practical purposes this can be achieved using electromagnets.
Track Switching
Hardware Description
The project consists of four main parts:
1. 8051 microcontroller
2. IR Transmitter
3. IR Receiver
4. Stepper Motor Circuit
8051 Microcontroller
The I/O ports of the 8051 are expanded by connecting it to an 8255 chip. The 8255 is programmed as a simple I/O port for connection with devices such as LEDs, stepper motors and sensors. More details of the 8255 are given later.
The following block diagram ..................[:=> Show Contents <=:]



Automatic Railway Gate Controller using FM Communications full report


Posted by: project topics
Created at: Saturday 03rd of April 2010 01:51:27 PM
Last Edited Or Replied at :Tuesday 29th of March 2011 01:16:15 PM
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aft side receiver gets activated motor turns in opposite direction and gate opens and motor stops. Buzzer will im..................[:=> Show Contents <=:]



MICROCONTROLLER BASED AUTOMATIC RAILWAY GATE CONTROL full report


Posted by: project topics
Created at: Saturday 03rd of April 2010 01:43:46 PM
Last Edited Or Replied at :Wednesday 09th of January 2013 04:22:43 AM
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r laser
setb sig1g
clr sig1r
setb sig2g
clr sig2r
call delay
setb rsg5r
setb rsg6r
loop9: jb rlysens3,loop9
loop10: jnb rlysens3.loop10
call delay
call gateopen
clr buzzer
clr laser
clr sig1g
clr sig2g
setb sig1r
setb sig2r
clr rsg5r
clr rsg6r
setb rsg5g setb rsg6g call delay call delay jmp mn
loop23: setb buzzer
setb sig3r setb sig2r
loop26: jnb ldr1,loop26
jnb ldr2,loop26 jnb ldr3,loop26 jnb ldr4,loop26
clr buzzer jmp loop24
gateopen: setb gateon
clr gateoff call delay clr gateon ret
gatecls: setb gateoff
clr gateon call delay clr gateoff ret
delay:
ji:
bala:
..................[:=> Show Contents <=:]



ivrs system for industrial control


Posted by: insiyah4
Created at: Monday 08th of March 2010 08:45:57 AM
Last Edited Or Replied at :Saturday 28th of August 2010 03:23:36 PM
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or makind d project asap
v ve a mini projects this year thank u
i want d list on d following topics
1. ivrs system for industrial control
2.6 channel petrochemical fire monitoring and control system
3.automatic intelligent toll tax
4.photic phone
5.intelligent spy robot..................[:=> Show Contents <=:]



Automatic Railway Gate Controller Using Stepper Motor full report


Posted by: project report tiger
Created at: Tuesday 02nd of February 2010 02:06:03 AM
Last Edited Or Replied at :Thursday 08th of March 2012 09:55:10 PM
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ed power to make a 5 volt power supply, we use a LM7805 voltage regulator IC (Integrated Circuit).
The IC is shown below.
Fig: 8.1.1 LM 7805 block diagram
34
Fig: 8.1.2 Pin representation of LM 7805
The LM7805 is simple to use. You simply connect the positive lead of your unregulated DC power supply(anything from 9VDC to 24VDC) to the Input pin, connect the negative lead to the Common pin and then when you turn on the power, you get a 5 volt supply from the Output pin.
Circuit features:
¢ Brief description of operation: Gives out well regulated +5V output, output current cap..................[:=> Show Contents <=:]



avoid railway accidents at unattended railway gates using 8051 microcontroller


Posted by: computer science technology
Created at: Friday 22nd of January 2010 02:43:36 PM
Last Edited Or Replied at :Wednesday 18th of January 2012 10:16:00 PM
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time is so adjusted by calculating the time taken at a certain speed to cross at least one compartment of standard minimum size of the Indian railway. We have considered 5 seconds for this project. Sensors are fixed at 1km on both sides of the gate. We call the sensor along the train direction as Ëœforeside sensorâ„¢ and the other as Ëœaft side sensorâ„¢. When foreside receiver gets activated, the gate motor is turned on in one direction and the gate is closed and stays closed until the train crosses the gate and reaches aft side sensors. When aft side receiver gets activated moto..................[:=> Show Contents <=:]



unmanned railway gate


Posted by: Ahamed
Created at: Monday 01st of March 2010 08:19:57 AM
Last Edited Or Replied at :Monday 01st of March 2010 11:26:37 AM
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plz help to find ppts on the topi..................[:=> Show Contents <=:]



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