Design and Development of a Temperature Monitoring System Based on PIC Microcontroller and 1- Wire Communication Protocol
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Temperature monitoring, 1-wire protocol, DS18B20, PIC microcontroller
Abstract
Temperature monitoring and control are important in many control applications, for instance, industrial domains such as process heat, automotive, industrial places, storage or office buildings. This paper presents a temperature monitoring system based on 1-wire protocol communication and PIC microcontroller. The hardware implementation of the proposed temperature monitoring system uses the digital temperature sensor DS18B20, which has a unique 64-bit serial code identifier that allows multiple DS18B20s to function on the same 1-Wire bus. Therefore, one PIC microcontroller can be used to control many DS18B20s distributed over a large area. The experimental results show that the proposed system is performed well as expected.
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