low cost public address system (View - 2505 times)
November 2, 2016 12:13 pm
We have selected to develop a low cost public address system suitable for large Institutions, as nowadays it is becoming major requirement for large institutions. In our project we have focused on developing a public address system suitable for a school. But the product can be easily converted to use in any other large institution. The following is a brief description of the topics that are covered in each chapter of this report. o First chapter is a brief introduction to the project and it contains details of the requirement of such development, basic design aspects and the objectives to be achieved through the project design. o Second chapter presents project overview and it contains life cycle, time line, requirement analysis, component ratings and a schematic diagram of the final design. o Third chapter describes the project implementation and it contains the details of system operation, each of the basic units to be connected together to end up with the final product and it clearly describes the complete design in stepwise format. o Fourth chapter consists of the conclusion, which describes the end product details. o Annexes consist of the user guide, coding of PIC programme, coding of graphical user interface and price list of the product available in the market.
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We have selected to develop a low cost public address system suitable for large Institutions, as nowadays it is becoming major requirement for large institutions. In our project we have focused on developing a public''' ....Read More
November 2, 2016 12:13 pm
Dual Tone Multi-Frequency (DTMF) is a method of instructing a telephone switching system to dial telephone numbers, or to issue commands to switching systems or related telephony equipment. It reliably sends the data across long''' ....Read More
November 2, 2016 10:32 am
When user has selected the appropriate zone that he wants to send the message using Graphical User Interface (GUI), main controller will generate Dual Tone Multi Frequency (DTMF) tone containing the zone and the exact''' ....Read More
November 2, 2016 10:30 am
Even though large institutions like schools, hospitals, etc has the same requirement only private institutions can afford this kind of facility due to high cost. Hence we have minimized the total cost, while fulfilling all''' ....Read More
November 2, 2016 10:23 am
A public address (PA) system is an electronic amplification system used as a communication system in public areas. It also refers to an audio transmission system used in institutional and commercial buildings, in which input''' ....Read More
November 2, 2016 10:19 am
Total cost is the summation of cost of main controller, cost of zone controllers and cost of cables, speakers and installation. For a design with16 zones, the cost for the Main and Zone controllers is''' ....Read More
November 1, 2016 10:30 am