Title:
ThereportdescribestheAT89S52basedonhemicrocontroll
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- 2012-11-26
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Description: This report describes the AT89S52 microcontroller based on the core to AD0809 DAC chip sampling to the LCD screen display 1602 voltage measurement function with a certain precision digital voltmeter. On the basis of functional requirements in the realization of extension of the serial communication, clock function, high-pressure alarm, short-circuit test, resistance measurement, AC voltage peak and the cycle of testing and other functions, allowing the system to achieve a good design effects and requirements.
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基于单片机的数字电压表的设计2.doc
