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Design and Development of 89C51 Microcontroller Based Infrared Remote Control system


Posted by: seminar class
Created at: Wednesday 30th of March 2011 05:29:41 AM
Last Edited Or Replied at :Saturday 30th of April 2011 03:30:52 PM
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98, 2000, XP, NT, Linux etc.
 Visual basics – for coding and developing.
 Web browsers like internet explorer, Mozilla firefox , opera etc.

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WIRELESS CONTROLLED GREEN HOUSE AUTOMATION


Posted by: seminar class
Created at: Wednesday 09th of March 2011 05:23:56 AM
Last Edited Or Replied at :Thursday 25th of August 2011 11:36:28 PM
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ature greenhouse due to the size and costs
involved.
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Green house monitoring using zigbee


Posted by: seminar class
Created at: Monday 07th of March 2011 01:30:09 AM
Last Edited Or Replied at :Monday 07th of March 2011 01:30:09 AM
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now used in many industrial and civilian application areas, including industrial process monitoring and control, machine health monitoring, environment and habitat monitoring, healthcare applications, home automation, and traffic control.
Zigbee is a wireless network protocol specifically designed for low data rate sensors and control networks . While other wireless standards are concerned with exchanging large amounts of data, Zigbee is for devices that have smaller throughout needs. The other driving factors are low cost, high reliability, high security, low battery usage, simplicity and ..................[:=> Show Contents <=:]



HOME AUTOMATION USING MOBILE COMMUNICATION


Posted by: projectsofme
Created at: Friday 26th of November 2010 12:59:42 AM
Last Edited Or Replied at :Friday 03rd of February 2012 10:43:13 PM
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current -> 250mA
4. Protection -> Medium blown Fuse
O/P Requirements
1. O/P Voltage -> 5v ± 10%
2. Ripple voltage -> 1-5%
3. Relay -> 6Vdc, 200Ω
4. RMS current -> 1A

3. Voice recording and playback device

I/P Requirements
1. Operating Voltage -> 12Vdc ± 10%
2. Input supply -> 230Vac, 50Hz
3. Input current -> 250mA
O/P Requirements
1. O/P Voltage -> 5v ± 10%
2. Ripple voltage -> ..................[:=> Show Contents <=:]



speed control of moving vechiles using speed cameras


Posted by: vasu bajaj
Created at: Sunday 28th of March 2010 07:09:29 AM
Last Edited Or Replied at :Friday 02nd of April 2010 03:14:36 AM
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i want full report,pres..................[:=> Show Contents <=:]



Remote control using VHF modules


Posted by: computer science crazy
Created at: Wednesday 09th of September 2009 02:01:30 AM
Last Edited Or Replied at :Wednesday 09th of September 2009 02:01:30 AM
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r conducts and applies a trigger pulse to IC 555, which is wired as a monostable multivibrator. The relay remains activated till the preset time is over. Time delay can be varied from a few seconds to a few minutes by adjusting timing components.
To switch on and switch off a load (refer Fig. 4), a 555 IC and a decade counter 4017 IC are used. Here the 4017 IC is wired as a flip-flop for toggle action. This is achieved by connecting Q2 output to reset terminal while Q1 output is unused. Q0 output is used for energising the relay. The relay is activated and deactivated by pressing the transmit..................[:=> Show Contents <=:]



Ultrasonics and Acousto-Optics for the Nondestructive Testing of Complex Materials


Posted by: Computer Science Clay
Created at: Saturday 06th of June 2009 10:55:36 PM
Last Edited Or Replied at :Thursday 27th of August 2009 06:56:57 PM
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ntion, conditionbased maintenance, structural health monitoring, as well as for quality control during production processes. Ultrasound and Acousto-Optics are applied to examine the mechanical properties of isotropic and anisotropic materials, and also to detect material defects. Fiber reinforced composites are ubiquitous in many industries, yet the interaction of ultrasound with such materials is particularly challenging because of effects such as surface roughness, the fact that materials in principle may be triclinic instead of orthotropic, the presence of a pre-stress, piezoelectric effect..................[:=> Show Contents <=:]



Selective Catalytic Reduction SCR


Posted by: computer science crazy
Created at: Tuesday 07th of April 2009 11:58:25 AM
Last Edited Or Replied at :Tuesday 07th of April 2009 11:58:25 AM
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d the Zeolite type preferred, however Vanadium offers better performance.

SCR catalysts function well only within a narrow temperature window, and for OEM installations the Engine Control Unit is specially programmed to keep the exhaust gas temperature in that range..................[:=> Show Contents <=:]



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