基于单片机的高精度温度检测与控制系统

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北京理工大学珠海学院2020届本科生毕业设计Design and Implementation of High PrecisionTemperature Detection and Control SystemBased on Single Chip Computer]ABSTRACTThe temperature detection and control system is gradually becoming more andmore important in our lives.There are many places in our life that are involved intemperature detection and control,such as thermometers,hotel fire alarm sensors,etc.The subject of my research is mainly for the design and implementation oftemperature detection and control system based on single chip microcomputer,themain problem is how to achieve high precision.This subject mainly uses STC89C51single-chip microcomputer as the main control chip.Because DS18B20 is relativelyeconomical and has relatively high precision,it uses digital temperature sensorDS18B20 for temperature detection alarm and LCD1602 liquid crystal to display thedetected temperature.All data is stored in the EEPROM of the single-chipmicrocomputer,so as to achieve the effect of power-off storage.When thetemperature collected by the sensor exceeds our set value,the system will control thebuzzer and an LED to emit a photo-acoustic alarm.The design I made is relativelyinexpensive and achieves maximum precision Keywords:DS18B20 temperaturesensor;high precision;temperature warning
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