Intercom

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KOLEJ UNIVERSITI TEKNIKAL KEBANGSAAN MALAYSIA FAKULTI KEJURUTERAAN MEKANIKAL BEKG 1113: PRINSIP ELEKTRIK DAN ELECTRONIC Introduction Principles of Electrical & Electronics teach the student about electric circuits, electric systems, electrical units, electrical measurement units, and the application of the formulas. This is an important subject that should learned by the student to prepare themselves to became a good engineer. The student should able to understand and explain about electrical c
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    KOLEJ UNIVERSITI TEKNIKAL KEBANGSAAN MALAYSIAFAKULTI KEJURUTERAAN MEKANIKALBEKG 1113: PRINSIP ELEKTRIK DAN ELECTRONIC Introduction Principles of Electrical & Electronics teach the student about electric circuits, electricsystems, electrical units, electrical measurement units, and the application of theformulas. This is an important subject that should learned by the student to preparethemselves to became a good engineer. The student should able to understand andexplain about electrical circuit.The students are given a group assignment which is to write a technical report on agiven title. Each group should be consists 4 to 5 student. This assignment carries 15%of the total course marks. This assignment is actually to see the level of understandingof the student about the electrical system and the application of theory they studied nthe class.The title that is given to our group to write the technical report is Intercom. What isintercom? Intercom is a private telecommunication system that allows typically two or more locations to communicate with each other like telephone does. There are manytypes of intercom such as door phone intercom, headset type intercom, IFB intercom,Party line intercom and many more.We have chosen a basic intercom that is push-to-talk also known as PTT. This kind of circuits are simple and generally consist of only one or two amplifiers and generally usethe speaker as normal speaker and microphone (how it is used depends on talk switch position). The door phone intercom is in this category hence we chose the door phoneintercom for our project     KOLEJ UNIVERSITI TEKNIKAL KEBANGSAAN MALAYSIAFAKULTI KEJURUTERAAN MEKANIKALBEKG 1113: PRINSIP ELEKTRIK DAN ELECTRONIC Objective The main aim of this assignment is to determine the level of understanding by thestudent on electric circuits and how it works  To help the student to gain experience on the electrical system.  To help train teamwork among the student.  Understand the principles of electric & electronics concept.  Application of theory that we learn in class.    KOLEJ UNIVERSITI TEKNIKAL KEBANGSAAN MALAYSIAFAKULTI KEJURUTERAAN MEKANIKALBEKG 1113: PRINSIP ELEKTRIK DAN ELECTRONIC Problem statements  The problem statement explains us why do we require the intercom. What is the main problem that causes the invention of the device? This is the some of the reasons why weneed an intercom: ã Unable to communicate from short distance such as from the front door of house to the kitchen ã Unable to identify a stranger that try to enter our house ã To make a direct call to a person in another floor in same building in case of emergency such as in hospital ã Unable to warn the people when there is a fire broke out or any accidentoccurs in a building Figure of the projects    KOLEJ UNIVERSITI TEKNIKAL KEBANGSAAN MALAYSIAFAKULTI KEJURUTERAAN MEKANIKALBEKG 1113: PRINSIP ELEKTRIK DAN ELECTRONIC Technical specifications
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