流速压力数据采集系统摘要本设计是利用流速传感器、压力传感器、ISD1760 语音芯片、LCD12864 液晶显示屏和 AT89S52 单片机组成的流速压力数据采集系统。流速传感器和压力传感器将采集到的流速数据和压力数据传送给 AT89S52 单片机,单片机再对接收到的数据进行处理,将数据传送到 LCD12864 液晶显示屏上进行显示,同时通过用语音芯片 ISD1760 将当前的流速数据和压力数据播放出来。关键词: 数据采集系统;流速;压力; ISD1760 ;AT89S52 Data Acquisition System of Flow Velocity and Pressure A bstract This design witch data acquisition system of flow velocity and pressure is using the velocity sensor, pressure sensor, ISD1760 pronunciation chip, LCD display and the velocity of AT89S52. Velocity sensor and pressure sensors to collect the pressure and velocity data and send to the AT89S52, AT89S52 to receive data processing, and send data to LCD12864 displayed on the LCD panel. T hen the ISD1760 pronunciation chip will the current velocity data and pressure data broadcast out . Key W ords: Data Acquisition System; Fluid Velocity; Pressure; ISD1760 ; AT89S52 目录 1引言.......................................................................................................................................... 1 课题的目的和意义....................................................................................................... 1 课题背景....................................................................................................................... 1 2设计方案与选取...................................................................................................................... 3 方案比较...................................................................................................................... 3 以AT89S52 单片机和超声波测速仪的设计................................................... 3 以AT89S52 单片机和霍尔传感器再加上数码管显示的设计....................... 3 以AT89S52 单片机和霍尔传感器再加上 LCD12864 液晶显示的设计......... 3 方案总结...................................................................................................................... 4 3流速压力数据采集系统的硬件设计...................................................................................... 5 .................................
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