基于单片机的温湿度实时监控系统设计与实现

针对某些特殊场所需要实时温湿度测量的问题,设计实现了基于单片机的温湿度实时监控系统。系统采用STC89C52单片机作为微处理器芯片,外接DHT11温湿度传感器进行温湿度数据监测采集;选用LCD1602液晶显示器对单片机处理过的温湿度数据进行显示;采用串口蓝牙通信模块和蜂鸣器与单片机连接。当温度超过用户设定的阈值时,蜂鸣器响起并且单片机通过蓝牙与用户手机进行铃声报警。试验结果表明,温度检测范围完全满足实际需要。

In view of the need for real-time temperature and humidity measurement in some special places, this paper designs and implements a real-time temperature and humidity monitoring system with single chip computer. The system uses STC89C52 MCU as microprocessor chip and DHT11 temperature and humidity sensor to monitor and collect temperature and humidity data. LCD1602 is used to display the temperature and humidity data processed by MCU. The serial Bluetooth communication module and buzzer are connected with the single chip computer. When the temperature exceeds the threshold set by the user, the buzzer rings and the single chip computer alarms the user's mobile phone through Bluetooth. The test results show that the temperature detection range can fully meet the actual needs.

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