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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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ED 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 that must be met, for reason such as safety and usability; others may have low or no performance requirements, allowing the system hardware to be simplified to reduce costs.
An embedded system is not always a separate block - very often it is physically built-in to the device it is controlling. The software written for embedded systems is often called firmware, and is stored in read-only mem..................[:=> 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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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 of secondary of 230/12V ste..................[:=> 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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Bikes and Cars etc.)
29. Mobile phone (DTMF) controlled electrical device switching
30. Intelligent High Power LED Street light Control System.
31. IR Remote Controlled Realtime Clock with LCD display
32. Industrial Advanced Temperature monitoring and Control System.
33. IR TV remote controlled Stepper Motor controller with password protection
34. Industrial and Home Security System based projects using various sensors like smoke, Fire, GAS, Temperature, PIR, IR, RF etc.
35. GPS Based Train/Bus Station Indication System with display on LCD.
36. GPS based Speedo meter (Used in Boats,S..................[:=> 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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,13 diodes.
we need a detailed working ,block diagram and pcb design to make a mini project report
..................[:=> 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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and operates efficiently without human interference. This project puts forth the first step in achieving the desired target. With the advent in technology, the existing systems are developed to have in built intelligence.

Description:

In our project, we are going to monitor the power of the system especially known as industries and controlling the power line using power factor. The power plant known as produces power for the working of the industries. Here the current transformers and potential transformers are widely used for analyzing the performance of the power plant and it is gi..................[:=> 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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ce electrical resistance varies with temperature, the resistance of a heater wire is a measure of pressure. A Wheatstone bridge is used to measure the resistance of the heater wire. Alternatively the milli ammeter carrying a current on account of unbalance in the bridge may be calibrated to read the pressure directly.
Some heat is lost from heater by radiation, conduction and along leads, but these effects do not depend on pressure or on the present gas. The compression for this effect may be carried out by introducing a similar pirani element in an opposite arm of bridge. This second eleme..................[:=> 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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will not go high and. therefore, cannot be used, in this case 0 decoded output may be used to perform the clocking function for the next counter.
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CO4017B
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S DECODED OUTPUTS
CLOCK
FIRST STAGE
INTERMEDIATE STAGE
LAST STAGE
Fig. 19 - Cascading the CD4017B.
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f/ff. 4 - Timing diagram for CD4022B.
'CLOCK
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CLOCK INHIBIT
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CHIP DIMENSIONS AND PAD LAYOUTS
CD4017BH
CD4022BH
Dime/wons m parentheses are m millimeters an..................[:=> 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 jagadeeshdeep..................[:=> Show Contents <=:]



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