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The Design of System Controlled by Measuring Pressure

Yu Peng

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Abstract

This design primarily realizes the PC communication with the UART of PHILIPS single-chip LPC932 by the RS232,and the measure of pressure,with the use of KingView.The pressure is changed into the electric voltage signal by the pressure sensor.The procedure which is used to measure the voltage makes use of the Σ-ΔADC and the analog comparator of LPC932 to realize the purpose of cheap AD.With the use of KingView communication with single-chip,this design measures the analog signal and finally displays vivid image in PC.After debugged this design attained request.

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What this paper is about

This design primarily realizes the PC communication with the UART of PHILIPS single-chip LPC932 by the RS232,and the measure of pressure,with the use of KingView.The pressure is changed into the electric voltage signal by the pressure sensor.The procedure which is used to measure the voltage makes use of the Σ-ΔADC and the analog comparator of LPC932 to realize the purpose of cheap AD.With the use of KingView communication with single-chip,this design measures the analog signal and finally displays vivid image in PC.After debugged this design attained request.

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Available abstract

This design primarily realizes the PC communication with the UART of PHILIPS single-chip LPC932 by the RS232,and the measure of pressure,with the use of KingView.The pressure is changed into the electric voltage signal by the pressure sensor.The procedure which is used to measure the voltage makes use of the Σ-ΔADC and the analog comparator of LPC932 to realize the purpose of cheap AD.With the use of KingView communication with single-chip,this design measures the analog signal and finally displays vivid image in PC.After debugged this design attained request.

Key concepts: Universal asynchronous receiver/transmitter, Comparator, SIGNAL (programming language), Measure (data warehouse), Voltage, Analog signal, Chip, Pressure sensor

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