Pembuatan Sistem Akuisisi Gas Karbon Monoksida Berbasis ATMega8535

Nurhikmah Nurhikmah, Iwan Sugriwan, A. A. Harnawan
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引用次数: 1

Abstract

ATMega8535 microcontroller based data acquisition system for measure carbon monoxide gas with TGS 2600 carbon monoxide sensor has been realized. The equation of sensor characteristic is obtained by compared the value of carbon monoxide gases with voltage signal from TGS 2600 carbon monoxide sensor. The value of carbon monoxide gases concentration measured by Sanfix. The equation of sensor characteristic gave formula V = 0,1266 ln(x) + 0,0049, which V in voltage (volt) and x in part per million (ppm).  The voltage signal as a product of sensor conditioned by voltage follower that applying OP07. the output signal from voltage follower connected with port A0, analog input in ATMega8535 microcontroller. Port A0 in ATMega8535 microcontroller has analog to digital converter (ADC) internally. The measurement data is displayed on the LCD character 16x2 and laptop via serial communication with Delphi interface program that it could noted the data in real time and could store the measurement data onto file in the form .xlsx. the system also used XAMPP program to store measurement data onto the form database. The range measurement of measuring instrument made is 6 to 80 ppm.
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基于ATMega8535的一氧化碳气体采集系统
实现了基于ATMega8535单片机和TGS 2600一氧化碳传感器的一氧化碳气体测量数据采集系统。通过比较TGS - 2600一氧化碳传感器的电压信号和一氧化碳气体的测量值,得到了传感器的特性方程。三法克斯测量的一氧化碳气体浓度值。传感器特性方程为V = 0,1266 ln(x) + 0,0049,其中V表示电压(volt), x表示百万分率(ppm)。电压信号作为传感器的产物,由施加OP07的电压跟随器调节。输出信号由电压跟随器连接A0口,模拟量输入ATMega8535微控制器。ATMega8535微控制器的A0端口内部具有模数转换器(ADC)。测量数据通过Delphi接口程序串行通信显示在16x2液晶显示器和笔记本电脑上,可以实时记录测量数据,并可将测量数据以。xlsx格式存储到文件中。系统还采用XAMPP程序将测量数据存储到表单数据库中。所制造的测量仪器的测量范围为6 ~ 80ppm。
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审稿时长
88 weeks
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