block diagram of Automatic Temperature Detecting system the 5v dc supply is used for each IC for working because every digital logic circuit requires 5v power supply to work .The main blocks o f Automatic Temperature Detecting system are: 1.2. Block Diagram Description: 1.2.1. Temperature Sensor Module: This Temperature sensor is placed at the starting of the circuit‚ it detects the temperature and gives the same as the input to ADC. 1.2.2. Analog to Digital Convertor: 3 The Analog to Digital
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whopping 1504 LED’s. so hardware and cost minimization achieved. Chapter 1 In this chapter we discuss about the general introduction of propeller display and why we need this project in the daily life. Chapter 2 In this chapter we study about the circuit diagram and the working principle (persistence of vision) of the propeller display. Chapter 3 In this chapter we discussed about the components and their details which are used in this project like microcontroller and its pin description‚ crystal
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ADC0803‚ ADC0804 ® Data Sheet August 2002 8-Bit‚ Microprocessor-Compatible‚ A/D Converters FN3094.4 Features The ADC080X family are CMOS 8-Bit‚ successiveapproximation A/D converters which use a modified potentiometric ladder and are designed to operate with the 8080A control bus via three-state outputs. These converters appear to the processor as memory locations or I/O ports‚ and hence no interfacing logic is required. The differential analog voltage input has good commonmode-rejection
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Click within an area to view details about that circuit. 1. Microcontroller Board - The standard 4760 prototyping board pictured above is populated with an Atmega644 microcontroller clocked at 20 MHz. The serial transceiver and DB-9 connector have been soldered on for debugging purposes. They remain
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Running head: Computers COMPUTERS BY Eunice 10/20/13 Introduction An English writer named Richard Braithwaite first recorded the word “computer” in his book entitled “The young man’s gleanings”. Computers are now the most common electronic device among individuals and businesses in the world. Computers serve as a means of solving sophisticated problems easily and quickly. Now the forensic science department also use computers in their investigations. And banks also stopped counting money
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older IDE‚ or parallel ATA‚ drive technology‚ or solid state drives. SATA drives use slimmer cables‚ smaller power connections‚ do not get as hot and can transfer data faster than the older drives. Motherboard * The motherboard is an underlying circuit board that holds all the computer components together. Computer components‚ including the CPU‚ RAM‚ power supply and hard drive‚ plug into the motherboard. This
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Bridge Instruments Bridge Instruments Various types of bridge circuits are used in instrumentation. They can operate in either deflection mode or null principle. They give very high degree of accuracy. Bridges Instruments are used to measure • Resistance‚ Inductance‚ Capacitance • Purity of components • Impedances and admittances • Physical parameters Bridge Instruments Types of Bridges • • AC Bridge DC Bridge DC Current Bridge Instruments • Wheatstone bridge and
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message i.e.‚ GPS Data to mobile using gsm module. The micro controller is interfaced with gas sensor and 555 timer and the motors are driven using L293D and the gsm module is also interfaced with micro controller using MAX232. The L293D driver circuit is used to drive the motors and max 232 is used as serial interface for GSM module. Power supply is provided by the 12v battery source. This project uses regulated 5V‚ 500mA power supply. 7805 three terminal voltage regulator is used for voltage
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555 timer ic The 555 Timer IC is an integrated circuit (chip) implementing a variety of timer and multivibrator applications. The IC was designed by Hans R. Camenzind in 1970 and brought to market in 1971 by Signetics (later acquired by Philips). The original name was the SE555 (metal can)/NE555 (plastic DIP) and the part was described as "The IC Time Machine".[1] It has been claimed that the 555 gets its name from the three 5 eke resistors used in typical early implementations
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. . . . . . . . 30 V Output voltage range‚ VO: T1OUT‚ T2OUT . . . . . . . . . . . . . . . VS−( − 0.3 V) to VS+( +0.3) V R1OUT‚ R2OUT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.3 V to VCC + 0.3 V Short-circuit duration: T1OUT‚ T2OUT . . . . . . . . . . . . . . . . . . . . . . . . . Unlimited Package thermal impedance‚ θJA : D package . . . . . . . . . . . . . . . . . . 73C/W DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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