CAJ | 학술논문

本文设计了一套基于STC89C51单片机为核心控制的室内环境监测系统。通过温湿度传感器SHT75和气体传感器MQ-7监测室内环境的温度、湿度和一氧化碳的浓度，并使用TLC549芯片进行A/D转换，然后将这些数字信号传给单片机进行处理，最后通过LCD1602显示出来。
본문설계료일투기우STC89C51단편궤위핵심공제적실내배경감측계통。통과온습도전감기SHT75화기체전감기MQ-7감측실내배경적온도、습도화일양화탄적농도，병사용TLC549심편진행A/D전환，연후장저사수자신호전급단편궤진행처리，최후통과LCD1602현시출래。
This paper designs an indoor environment monitoring system based on STC89C51 microcontroller as the core. Through the temperature and humidity sensor SHT75 and the gas sensor MQ-7, the system monitors the temperature, humidity and carbon monoxide concentration of indoor environment.After the A/D conversion by chip TLC549, the digital signal can be conveyed to the single chip microcomputer for processing and can dis-play on LCD1602.