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AUTOMATIC STREET LIGHT CONTROL USING LDR full report


Posted by: seminar class
Created at: Tuesday 26th of April 2011 02:28:23 AM
Last Edited Or Replied at :Saturday 03rd of August 2013 07:51:35 PM
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In the present project street lights are taken into consideration where the above discussed factors are rectified in them. This is achieved with the help of an embedded system. By using this as the basic principle we can design centralized intelligent system for the perfect usage of streetlights in any place (Viz Village, Town) can be developed.
EMBEDDED SYSTEMS:
Embedded systems are designed to do some specific task, rather than be a general-purpose computer for multiple tasks. Some also have real time performance constraints t..................[:=> Show Contents <=:]



Embedded Temperature based Fan speed Controller using AT89S52 Microcontroller


Posted by: seminar class
Created at: Wednesday 06th of April 2011 11:26:08 PM
Last Edited Or Replied at :Wednesday 15th of February 2012 02:15:10 AM
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micro controller through a ULN driver circuit. The relays require 12 volts at a current of around 50 mA, which can not provided by the micro controller. So the ULN driver circuit is added. The relays are used to operate the electrical fan or for operating any other electrical device. Normally the relays remain off. As soon as pin of the micro controller goes high, the relays operate.
This project uses regulated 5V, 500mA & 12V, 500mA power supply. 7805 and 7812 three terminal voltage regulators are used for voltage regulation. Bridge type full wave rectifier is used to rectify the ac out put ..................[:=> Show Contents <=:]



mini projects microcontroller using 8051


Posted by: project topics
Created at: Wednesday 06th of April 2011 12:04:53 AM
Last Edited Or Replied at :Monday 30th of January 2012 10:07:41 PM
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utomatic lamp illumination controller with High Power/Intensity LED lighting (PWM control)
40. Vehicle inside and outside temperature monitoring system.
41. Realtime burglar alarm system using PIR Sensor (Passive Infrared Sensor)
42. IR LED and LDR baaed Heartbeat Monitor with display on Computer/PC.
43. Automatic intrusion Alarm/Alert System.
44. Digital Thermostat with LCD Temperature Display.
45. Automatic washing machine motor control system.
46. Automatic Irrigation water supply monitoring and control system.
47. Radio Frequency (RF 433 MHz) based Industrial Wireless Device Contro..................[:=> Show Contents <=:]



automatic speed controller for fanscoolers


Posted by: 143com2me
Created at: Tuesday 23rd of February 2010 01:00:12 AM
Last Edited Or Replied at :Thursday 23rd of February 2012 04:03:46 AM
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-2.jpg .
it consist of IC NE555,CD4017B, 6v 100ohm SPDT relays 4nos,BC548transistor 5nos,13 diodes.
we need a detailed working ,block diagram and pcb design to make a mini project report
:idea:
the device presented here makes the fan run at full speed for a predetermined time.speed is decreased to medium after sometime.after a period of 8 hours fan /cooler is switched off.
http://www.electronic-circuits-diagrams.com/images/fans-3.jpg .
it consist of IC NE555,CD4017B, 6v 100ohm SPDT relays 4nos,BC548transistor 5nos,..................[:=> Show Contents <=:]



MICROCONTROLLER BASED AUTOMATIC POWER FACTOR CONTROLLING SYSTEM


Posted by: projectsofme
Created at: Friday 15th of October 2010 06:42:46 AM
Last Edited Or Replied at :Saturday 20th of July 2013 12:09:11 AM
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it is given to the circuit.
Then it gives to an ADC circuit for giving to the microcontroller. The capacitor bank is powered and the power factor which produces from the power plant is gathered first and dependi..................[:=> Show Contents <=:]



automatic temperature control of vaccum brazing furnace by using plc full report


Posted by: project topics
Created at: Tuesday 20th of April 2010 07:05:36 AM
Last Edited Or Replied at :Sunday 03rd of February 2013 09:19:41 AM
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ier days, the instruments, which are used in process industries are based on mechanical movements of parts and creating problems such as given below
a) leakages
b) fluctuations
c) strength
In vacuum furnace control, manual control is tedious and requires continuous which on all the instruments to ensure that safe conditions exit. It is also necessary to include alarms to alert the operator to the fact that corrective action is required.
Now a days, modern instruments having different programming softwares and other techniques. Over here we use the high level language of program software t..................[:=> Show Contents <=:]



AUTOMATIC SPEED CONTROLLER FOR FANS WITH ON OFF CONTROL BY LIGHT


Posted by: project report tiger
Created at: Thursday 04th of March 2010 03:09:23 AM
Last Edited Or Replied at :Thursday 23rd of February 2012 04:03:37 AM
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eated (burnt) Rosin or other contaminants such as burnt wire insulation. Maintaining a clean tip will help to avoid these problems.
5. Balls: - A solder ball, instead of a fillet can occur if the trace was heated but the lead was not (vice-versa). This prevents proper wetting of both surfaces and results in solder being attached to only one surface (Component or trace).
6. Excess solder: - Excess solder usage can cover up other potential problems and should be avoided. It can also lead to solder bridges. In addition, spherical solder joints can result from the application of too much solder...................[:=> Show Contents <=:]



STEPPER MOTOR CONTROL WITH SELECTED STEPS FOR CONVEYOR BELT


Posted by: jagadeeshdeepu
Created at: Wednesday 20th of January 2010 10:50:43 AM
Last Edited Or Replied at :Wednesday 12th of January 2011 04:46:44 AM
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send me the my email is jagadeeshdeepu@gmail..................[:=> Show Contents <=:]



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