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AVR - Atmega i vanjski prekid |
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Vanjski prekid označava poziv za izvršavanje odgovarajuće prekidne rutine (potprograma) od strane vanjskog uređaja koji je priključen na mikrokontroler. Podešavanjem i kontrolom pojedinih bitova u odgovarajućim registrima može se detekovati poziv za prekid i dozvoliti ili ne izvršavanje odgovarajuće prekidne rutine. U ovom članku biće izvršena demostracija pozivanja prekidne rutine pritiskom na taster koji je povezan na mikrokontroler, pri čemu će se paliti ili gasiti led dioda, zavisno od prethodnog stanja. |
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Practical Electronics Handbook |
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In it's 6th Edition, this excellent electronics book, covers all the various electronic parts and circuits. With chapters on Resistors, Capacitors, Inductors, Batteries and much more. Ideal for the design engineer with valuable information on incorporating the various parts in your design. Ideal for students and hobbyists alike, the book is full of practical design information. |
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Powerline Ampacity System: Theory, Modeling and Applications |
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Civilization's demands for electricity continue to grow, yet environmental, regulatory, and economic constraints often preclude the construction of new power plants and transmission lines. The challenge now faced by engineers, equipment manufacturers, and regulatory agencies is to find ways to maximize the capacity of existing power lines. Powerline Ampacity System is the first step in meeting that challenge. |
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Integrated Power Electronic Converters and Digital Control |
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Because of the demand for higher efficiencies, smaller output ripple, and smaller converter size for modern power electronic systems, integrated power electronic converters could soon replace conventional switched-mode power supplies. Synthesized integrated converters and related digital control techniques address problems related to cost, space, flexibility, energy efficiency, and voltage regulation—the key factors in digital power management and implementation. |
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Teach Yourself Electricity and Electronics |
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Learn the hows and whys behind basic electricity, electronics, and communications without formal training. The best combination self-teaching guide, home reference, and classroom text on electricity and electronics has been updated to deliver the latest advances. |
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Izbor oscilatora i podešavanje bit osigurača AVR mikrokontrolera |
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Za normalan rad mikrokontrolera i za sinhronizaciju rada mikrokontrolera i njegovih komponenti, neophodno je prisustvo stabilnog takt signala kojeg obezbjeđuje oscilator. U zavisnosti od vrste oscilatora, njegove otpornosti uticaja promjene napona i temperature na izvor takt signala, zavisi stabilnost izvora takt signala. Vrsta oscilatora zavisi od komponenti koje koriste, kao npr. RC oscilatori, oscilatori sa kvarcnim kristalom (wikipedia_kristalni_oscilator ), oscilatori sa keramičkim rezonatorom i slično. |
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Led blink sa ATmega48/88/168 |
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Led blink je jednostavan program kojim se pali i gasi led dioda povezana na mikrokontroler. Program je napisan koristeći C programski jezik. Za pisanje i prevođenje programa koristi se AVR studio. Prevođenjem programskog koda dobija se odgovarajuća hex datoteka koja se pomoću programatora prenosi u mikrokontroler. Šema spajanja mikrokontrolera i led diode prikazana je na sljedećoj slici: |
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Introduction to Electrical Power Systems |
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Adapted from an updated version of the author's classic Electric Power System Design and Analysis, with new material designed for the undergraduate student and professionals new to Power Engineering. The growing importance of renewable energy sources, control methods and mechanisms, and system restoration has created a need for a concise, comprehensive text that covers the concepts associated with electric power and energy systems. Introduction to Electric Power Systems fills that need, providing an up-to-date introduction to this dynamic field. |
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