ABSTRACT Ultrasonic range finder using 8051 A simple ultrasonic range finder using 8051 microcontroller is presented in this project. This ultrasonic rangefinder can measure distances up to 2.5 meters at an accuracy of 1 centi meter. AT89s51 microcontroller and the ultrasonic transducer module HC-SR04 forms the basis of this circuit. The ultrasonic module sends a signal to the object‚ then picks up its echo and outputs a wave form whose time period is proportional to the distance. The microcontroller
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Article 1216 Right of the creditor to proceed against any solidary debtor * Not applicable to a joint obligation. It reiterates the rule hat in a solidary obligation (passive solidarity)‚ any one or some or all of the solidary debtors may simultaneously‚ may be made to pay the debt so long as it has not been fully collected. Article 1217 Effects of payment by a solidary debtor 1. Between the solidary debtors and creditor(s) –payment made by one of the solidary debtor extinguishes the obligation
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CHAPTER 1 INTRODUCTION 1.1 Introduction Every action of the computer takes place in tiny steps‚ each a billionth of a second long. A simple transfer of data may take only one step; complex calculations may take many steps. All operations‚ however‚ must begin and end according to the clock ’s timing signals. The use of a central clock also creates problems. As speeds have increased‚ distributing the timing signals has become more and more difficult. Present-day transistors can process
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PreLab 1. Describe the different between a LAN switch/bridge and a router. LAN switch/bridge operate at the data link layer(layer2) and works based on the MAC address‚ while a router operates at the IP layer (layer3) and works based on IP addresses. 2. What is the difference between an Ethernet switch and an Ethernet hub? Which is more suitable for a network with a high traffic load‚ a switch or a hub? Explain. Ethernet switch is a store-and-forward device that operates at layer2
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father. Although the young prince is ordered to revenge for his father by the ghost at the commencement of the play‚ he delays his revenge on Claudius the murderer of his father until the end of the play in act 5. The questionable delay in Hamlet’s vengeance has made critics until today curious to what might be the reasoning behind that. However‚ it is obvious to say that hamlet delays because he gradually thinks too much about it‚ and looks at the task
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instrumental delivery)‚ brain malformation‚ metabolic/genetic disorders‚ severe hyperbilirubinaemia‚ periventricular haemorrhage‚ neonatal sepsis‚ respiratory distress‚ early meningitis‚ neonatal seizures‚ teratogen exposure‚ low socioeconomic status. delay in motor development (common) A full history of developmental milestones must be obtained. Delayed motor milestones are often the key diagnostic factor. Typically‚ children sit by 6 months‚ crawl with reciprocal locomotion by 9 months‚ walk between
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SUPPORT SPEECH‚ LANGUAGE AND COMMUNICATION NEEDS OF CHILDREN AND YOUNG PEOPLE Early identification of speech‚ language and communication delay is extremely important as the chance of improving these skills are increased. Outside agencies can be informed and your child will receive the specialist support they require. If these delays are not identified the delay will continue and the child may suffer from lack of confidence and will more than likely experience emotional problems. Other aspects of
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DM74LS193 Synchronous 4-Bit Binary Counter with Dual Clock September 1986 Revised March 2000 DM74LS193 Synchronous 4-Bit Binary Counter with Dual Clock General Description The DM74LS193 circuit is a synchronous up/down 4-bit binary counter. Synchronous operation is provided by having all flip-flops clocked simultaneously‚ so that the outputs change together when so instructed by the steering logic. This mode of operation eliminates the output counting spikes normally associated with asynchronous
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Student Name : Maram Sulaiman alkahlan ------------------------------------------------- Id : 430002978 Section : I4 ------------------------------------------------- Homework Chapter 1 Review Questions : 3- What Are Three Criteria Necessary For An Effective And Efficient Network? * Performance * Reliability * Security 4-what are the advantages of a multipoint connection over a point-to-point
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condition. Approximately 400‚000 Americans have Down syndrome and about 6‚000 babies with Down syndrome are born in the United States each year. Down syndrome (DS)‚ also called Trisomy 21‚ is a condition in which extra genetic material causes delays in the way a child develops‚ both mentally and physically. Down syndrome occurs in people of all races and economic levels‚ though older women have an increased chance of having a child with Down syndrome. A 35 year old woman has about a one in
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