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中文摘要：
为了实现温度数据的精确采集,设计开发了一种基于PIC单片机的多通道低功耗温度采集系统。温度信号转换采用AD590温度传感器,配以运算放大电路及数据存储器件,并利用中档单片机PIC16F74自带的A/D转换器,实现温度信号的采集处理和存储,引进串口通信技术,实现了单片机与上位机的串口通信。
英文摘要：
In order to realize accurate data acquisition of temperature,this paper has designed and developed a low power multi-channel temperature data acquisition system based on PIC MCU. In this system,the temperature signal is processed by AD590. Matching with operational amplifier circuit and data memory,and utilizing the self-contained analogto-digital converter module of the mid-range microcontroller—PIC16F74,it can realize the acquisition,processing, memory and transmission of the temperature signals. With the serial communication technology,it realizes a communication with the host computer.
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