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Design of a temperature monitoring system based on AT89C51 MCU and LabVIEW

Ai Wang

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Abstract

Design of a temperature monitoring system with AT89C51 microcontroller as the core is introduced in this paper.In this system a digital temperature sensor DS18B20 is used to collect temperature signals.After D/A and D/A converted in AT89C51,the signals are transmitted into data acquisition card USB 2005 and then to the host through USB interface.PC system controls USB2005 by LabVIEW software and completes data acquisition and processing.In the system,modularization design approach is adopted.The temperature measuring range is adjustable at any time and the measuring results can be played in real time with good readability.

About this research paper

What this paper is about

Design of a temperature monitoring system with AT89C51 microcontroller as the core is introduced in this paper.In this system a digital temperature sensor DS18B20 is used to collect temperature signals.After D/A and D/A converted in AT89C51,the signals are transmitted into data acquisition card USB 2005 and then to the host through USB interface.PC system controls USB2005 by LabVIEW software and completes data acquisition and processing.In the system,modularization design approach is adopted.The temperature measuring range is adjustable at any time and the measuring results can be played in real time with good readability.

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Available abstract

Design of a temperature monitoring system with AT89C51 microcontroller as the core is introduced in this paper.In this system a digital temperature sensor DS18B20 is used to collect temperature signals.After D/A and D/A converted in AT89C51,the signals are transmitted into data acquisition card USB 2005 and then to the host through USB interface.PC system controls USB2005 by LabVIEW software and completes data acquisition and processing.In the system,modularization design approach is adopted.The temperature measuring range is adjustable at any time and the measuring results can be played in real time with good readability.

Key concepts: USB, Microcontroller, Computer hardware, Data acquisition, Interface (matter), Embedded system, Modular programming, Software

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