prototype circuit for our system. Table 1 showing component list used for the prototype circuit No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 Component Description Opamp Zener Diode Diode Microphone Speakers LED Light Dependent Resistor (LDR) N-MOSFET NPN BJT Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor Resistor
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1. Scanning devices Optical Scanners An optical scanner is a hardware input device that allows a user to take an image or text and convert it into a digital file‚ allowing the computer to read or display the scanned object. Features of the optical scanner include-its design‚ software compatibility‚ type of feeder‚ speed‚ resolution‚ etc. Some advantages of the optical scanner include : • Easy to use • Continuous‚ detailed‚ and scaled true-colour images for documentation and interpretation
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CHAPTER 1 INTRODUCTION‚ CIRCIT DIAGRAM AND WORKING INTRODUCTION Spy ear is the devices which converts low power audio signal to high power signal and gain. It can be used in Theaters ‚ Concert halls‚ Lecture rooms‚ Trains‚ Court houses‚ Conference rooms‚ Embassies‚ Gaming facilities‚ Recording studios‚ Aircraft ‚ railways ‚bus station etc.With this sound amplifier‚ you can now hear things crystal clear that you could never hear before. Spy ear is very easy to use‚ just put the ear
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examines a scanned image for letters and other characters that it recognises and then converts it into a document that you can edit. | | Microphone: Used to input sound. It can be used along with voice recognition software to enter text. The software is "trained" to recognise the way a user speaks and then converts the sounds into text. When using a microphone the computer needs to fitted with a sound card. This contains a processor and RAM used specifically for converting analogue sound to digital
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Tube 3. Microphone 4. Data Studio Software 5. Metre Stick 6. Fingers to “snap” Procedure 1. We had gathered all the required materials‚ opened up the Data Software program on the computer‚ and connected the microphone to the computer 2. We had set up the experiment by placing the microphone near the edge of the closed cardboard tube (on the open side) 3. We had one person ready to start the program by clicking the START button and one person ready to snap their fingers next to the microphone. 4. We
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and frequency of light are very closely related‚ our aim for this experiment is to determine the relationship between wavelength and frequency and the impact or change in the numbers as a result. Apparatus: Loud Speaker Signal Generator Ruler Microphone Audio Analyzer Plastic Tube Supporting Research: All sound waves which are travelling through the air are in fact longitudinal waves (running lengthwise rather than across)‚ within these sound waves there is compressions and rarefactions. Sound
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Abstract The Home Automation Profile supports a various of devices for the home along with lighting‚ heating and cooling‚ and widely accepted for multiple needs. It is the automatic or semi-automatic control and monitoring of household appliances and residential house features like doors‚ gate and even the windows. Hence the Home Automation profile allow a greater range of control and integration of different devices in the home by automatic. These systems use PC‚ mobile internet
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INTRODUCTION For this paper I have chosen Suggestopedia‚ a method that was totally unknown for me and I thought it would be a great opportunity for me to do something ‘outside the box’. This is a class of 23 children‚ ages vary between 9 and 11‚ their level is basic and it takes a long time to achieve the objectives of certain activities. The topic of the class is Job-related actions‚ as we have seen for the past month the simple present and for the past week Occupations; they have some knowledge
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to talk directly with each other across large distances. Telephones became rapidly indispensable to businesses‚ government‚ and households‚ and are today some of the most widely used small appliances. The essential elements of a telephone are a microphone (transmitter) to speak into and anearphone (receiver) which reproduces the voice of the distant person. In addition‚ most telephones contain a ringer which produces a sound to announce an incoming telephone call‚ and a dial used to enter a telephone
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accordion interpretation to Terry Riley’s second keyboard study. He was sitting in between two microphones and used a foot controlled looping component to really give the song life. Granted he did forget to place the microphone in front of his right hand‚ but I didn’t even notice that anything was wrong with it until he commented on it at the end‚ so he played a quick version with the correct microphone placement and it did sound much more vibrant and compelling. I really enjoyed this piece and
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