MICRO CONTROLLER BASED AUTOMATIC DISH ANTENNA ALLIGNMENT
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seminar surveyer
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#1
07-10-2010, 11:10 AM


Abstract

The main scope of the project and implimentation is to control the Dish antenna from a remote area.
Stepper motors operate differently from normal DC motors, which rotate when voltage is applied to their terminals. Stepper motors, on the other hand, effectively have multiple "toothed" electromagnets arranged around a central gear-shaped piece of iron. The electromagnets are energized by an external control circuit, such as a microcontroller.
To make the motor shaft turn, first one electromagnet is given power, which makes the gear's teeth magnetically attracted to the electromagnet's teeth. When the gear's teeth are thus aligned to the first electromagnet, they are slightly offset from the next electromagnet. So, when the next electromagnet is turned on and the first is turned off, the gear rotates slightly to align with the next one, and from there the process is repeated. Each of those slight rotations is called a "step." In that way, the motor can be turned to a precise angle.
To control the Stepper motor position we are interfacing it to the Microcontroller. We are assigning four switches to the controller in order to change to the desired speed; we need to press the corresponding switch. Microcontroller cannot drive the stepper motor directly, for that purpose we use a driver IC ULN2003.
Advantages of stepper motors are low cost, high reliability, high torque at low speeds and a simple, rugged construction that operates in almost any environment. The main disadvantages in using a step motor is the resonance effect often exhibited at low speeds and decreasing torque with increasing speed.
The status of the dish antenna such as direction, angle will be displayed through an LCD(Liquid Crystal Display) interface which will help the user to know direction, angle In addition, we may include new facilities in the program development environments, the use of this program facility will reduce the engineering effort of an application. They may be editing and compilation facilities which support application programming in all the languages.
Applications of this can be used in dish antena where there is a need of changing the antena’ direction accordingly and precisely to the direction of the signals. This can be used, as this is a step on step rotation.
SOFTWARE:

1. KEILUV2 IDE TOOL
2. ISP programmer
3. EMBEDDED C PROGRAMMING


HARDWARE:
MICROCONTROLLER,
LCD DISPLAY,
DRIVER IC,
STEPPER MOTOR
SELECTION KEYS.
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robingeo.adhi
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#2
23-12-2010, 06:46 PM

please give the program for these project and implimentation
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project topics
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#3
31-12-2010, 02:08 PM

currently the ready made source code is not available for this project and implimentation ...
so .. let us start to write a program ,... i think .. i can help you .. but i cant do all for you
Use Search at http://topicideas.net/search.php wisely To Get Information About Project Topic and Seminar ideas with report/source code along pdf and ppt presenaion
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saud
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#4
18-01-2011, 01:01 AM

i wanna this project and implimentation...but we use it for sattelite tracking......so how can we done it
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ankita sinha17
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#5
29-08-2011, 12:23 AM

Hello,
May I have the circuit diagram of the auto antenna positioning system which works on stepper motors and microcontroller.
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seminar addict
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#6
29-08-2011, 09:28 AM


To get more information about the topic "MICRO CONTROLLER BASED AUTOMATIC DISH ANTENNA ALLIGNMENT " please refer the link below


topicideashow-to-micro-controller-based-automatic-dish-antenna-allignment
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seminar addict
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#7
17-01-2012, 10:21 AM

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topicideashow-to-electronics-project and implimentation-based-on-microcontroller

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#8
26-08-2012, 02:53 PM

please send me the full details about this project and implimentation.
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#9
20-09-2012, 02:05 AM

i want a full project and implimentation report on this........ can u plzz send me that, i shall be very thankful to u
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#10
20-09-2012, 11:50 AM

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#11
30-10-2012, 11:37 AM

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