单片机智能温度计设计

摘要：本论文叙述了应用单片机AT89C51构成的智能温度计主要的功能、硬件的组成和软件的设计。该系统的功能是通过温度传感器对温度进行采集，然后通过A/D转换器MC14433进行模数转换，传给单片机进行处理，从而实现温度的实时显示。整个系统结构紧凑、简单可靠、操作灵活、功能强、性能价格比高，较好地满足了现代农业生产和科研的需要。

关键词： 单片机  温度传感器    A/D转换器   实时显示

Abstract

     the present paper narrated the application monolithic integrated circuit AT89C51 constitution intelligent thermometer main function, the hardware composition and the software design.This system function is carries on gathering through the temperature sensor to the temperature, then carries on  a/d conversion through A/D switch MC14433, passes to the monolithic integrated circuit to carry on processing, thus realization temperature real time display.Overall system structure compact, simple reliable, operation nimble, function strong, performance price scaled height of burst, has satisfied the modern agricultural production and the scientific research need well.

Key word： monolithic integrated circuit   temperature sensor    A/D switch   Real time display383

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