title is “AUTOMATIC ROOM LIGHT CONTROLLER WITH BIDIRECTIONAL VISITOR COUNTER “. The objective of this project is to make a controller based model to count number of persons visiting particular room and accordingly light up the room. Here we can use sensor and can know present number of persons. In today’s world‚ there is a continuous need for automatic appliances with the increase in standard of living‚ there is a sense of urgency for developing circuits that would ease the complexity of life. Also
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Aman Jain and Shilpa Mehta 85 Mobile Devices and Social Networking Security Solution Aman Jain and Shilpa Mehta Abstract: Nowadays almost everyone is using smart phones. They are becoming an essential tool in human being’s everyday life. They are not only used for mere communication such as calling or sending text messages; however‚ they are also used in applications such as for accessing internet‚ receiving and sending emails and storing documents. As a result of this‚ not only phone numbers
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during an automobilecollision‚ to prevent occupants from striking interior objects such as the steering wheel or a window. Modern vehicles may contain multiple airbags in various side and frontal locations of the passenger seating positions‚ and sensors may deploy one or more airbags in an impact zone at variable rates based on the type and severity of impact; the airbag is designed to only inflate in moderate to severe frontal crashes. Airbags are normally designed with the intention of supplementing
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great candidate to replace today’s flash memory. An outstanding feature is its ability to remember a range of electrical states rather than the simplistic "on" and "off" states that today’s digital processors recognize. V. PRESSURE SENSOR Similarly a Pressure sensor can be placed in a tiny artery and the same method can be followed to generate an IR output based on the pressure variations in the respective artery. This increases the accuracy of the
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A unique and interesting problem arose when one company‚ a monopoly within the business-to-business (B2B) sensor market‚ split into six companies with identical products and equal footing within the market. As Director of Finance for Chester Company‚ one of the newly formed entities‚ it is important for me to identify a strategy that will enable the company to remain viable and be successful in the future. An in-depth analysis of the industry situation report provided good metrics to project future
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researchers came up with different solutions. Unfortunately‚ all these solutions require expensive installation of sensor devices. Furthermore‚ many of these solutions can’t measure the energy consumption of individual machines. In this paper‚ we propose a simple and flexible home energy monitoring system using smart phones. We call our system EnergySniffer in which it exploits various sensors in smart phones to build a multi sensing framework. This framework is used to build a unique fingerprint profile
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irrigation process is automated‚ sensors detect how much rain has fallen recently‚ as well as whether the soil is in need of watering. The sensors then send this data to a computer that processes it and decides when and how much to water. In addition to keeping the soil moist and reducing maintenance costs‚ computers also can utilize sensors to analyze the condition of crops in the field and determine whether pests or diseases are affecting the crops. If sensors detect pests and/or diseases‚ computers
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of the vehicle during and after a crash. With signals from an accelerometer‚ a severe accident can be recognized. According to this project when a vehicle meets with an accident immediately Vibration sensor will detect the signal or if a car rolls over‚ and Micro electro mechanical system (MEMS) sensor will detects the signal and sends it to ARM controller. Microcontroller sends the alert message through the GSM MODEM including the location to police control room or a rescue team. So the police can
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lights can come on with a simple snap of the fingers‚ just because the sensitivity can be set high enough to detect motion almost immediately. At least students won’t have to ignore the fact that the lights need to be turned off when they leave‚ the sensor will automatically know when there is no one inside of the room. These motions have electrical efficiency (Do It Yourself). The worries of leaving without keeping conservation in mind is automatically eradicated‚ and suddenly there is no need to
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The output pressure response from this sensor is 10 pC/psi‚ which is then converted by an In-Line Charge Converter (Model 422E35) also from PCB Piezotronics. The inline charge amplifier converts the signal with a gain of 0.99 mV/pC. Therefore‚ the final calibration factor used for converting the transducer signal to pressure is 6.238 mV/psi. Figure 40 shows both the pressure sensor and the charge converter. Figure 40. PCB pressure transducer and PCB charge
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