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¸ÃϵͳÒÔAT89S51µ¥Æ¬»ú×÷Ϊ¿ØÖÆ×°ÖõÄÖÇÄܲ¿¼þ£¬²ÉÓÃADC0809¡¢²½½øµç»ú¡¢¹âÃôÈý¼«¹Ü¡¢°´¼ü¡¢ÊýÂë¹Ü¹¹³ÉµÄµç·¼ì²â»·¾³¹âµÄÇ¿¶È£»¸ù¾Ý½ÌÊÒºÏÀíÉèÖõĹâÇ¿¿ªµÆºÍ¶Ô²½½øµç»ú´°Á±µÄ¿ØÖÆ£¬Íê³É¶Ô½ÌÊÒÕÕÃ÷»Ø·µÄÖÇÄÜ¿ØÖÆ£¬±ÜÃâÁ˽ÌÊÒÓõçµÄ´óÁ¿ÀË·Ñ¡£

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¸Ãϵͳ¾ßÓÐÌå»ýС£¬¿ØÖÆ·½±ã£¬¿É¿¿ÐԸߣ¬×¨ÓÃÐÔÇ¿£¬ÐԼ۱ȺÏÀíµÈÓŵ㣬¿ÉÒÔÂú×ã¸÷Àà´ó¡¢ÖÐרԺУ½ÌÊҵƹâ¿ØÖƵÄÒªÇ󣬺ܴó³Ì¶ÈµÄ´ïµ½½ÚÄܵÄÄ¿µÄ¡£

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System design of illumination intelligence controller for

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Abstract: Currently light intelligent Control systems are not efficiently used in the classroom. In order to improve the system, based on the theory of the light control and current methods of how to keep control, put forward methods of developing intelligent classroom light control system on the basis of AT89S51 and developed the hardware and software system.

This system uses single chip microcomputer AT89S51 as the intelligent device of control unit, and takes the circuit completed by ADC0890, step motor, light activated triode, button and digitron to test the intensity of light. According to the appropriate layout of turning on the light by light intensity in the classroom and the control of curtain by step motor, it can also complete the intelligent control of illumination loop in the classroom, avoiding large wasting of electrical energy.

The single chip microcomputer software, programmed by C language and designed by modularization, has excellent organization and better currency, and is convenient to improve and extent.

This system had many advantages. For example, the physical volume was small, the system was conveniently controlled, the credibility was high, the appropriation was strong, and its price proportion was ideal, etc. The experiment proved that the system can satisfy the control command of the classroom¡¯s light device, so it could largely reduce the consuming of energy resources.

Key word: Illumination£» Step motor£» Light activated triode£»Single chip microcomputer£»Button£»ADC0804£» Relay

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