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英
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摘
要
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This paper developed by Digital Timing is a temperature control system based on single-bus digital temperature sensor DS18B20,microcontroller chip as the core to the system..The system has the temperature of the real-time detection,real-time calendar clock,temperature and time of setting numerical and other features.The system can be applied to Famian,Caijiao temperature control and health and other fields.
In this paper,the temperature measurement technology,the status of temperature control technology was introduced,the various control theory,the programme carried out a simple analysis and comparison;followed by users in accordance with the general requirements and technical indicators, from the engineering point of view,to Famian for application as the main targets of a hardware part of the design and selection,software design and analysis,and follow in the realization of a simple,economic,practical principles:and then described in detail the system used by the chip characteristics,work Principle,and its application MCU and the communication protocol. Finally on this experiment,testing and practical application of the problems in error and the use of anti-jamming measures were discussed.
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