Design Embedded System for Monitoring Carbon Dioxide Gas
Author(s):
S. N. Patil, S. R. Ghatage
Keywords:
Sensor Module, Embedded System, Thick Film Sensor, Electrical Resistance, Carbon dioxide Sensor.
Abstract
Design a high performance, portable sensor module to sense the physical parameters is need of hour. Therefore, based on an embedded technology deploying of advanced microcontroller and implementing own prepared ferrite sensor for development of smart sensor module for detection of CO2 gas and discussed in this paper. The nano sized Nickel-Zink ferrite material synthesized by co-precipitation and confirmed formation of single phase compositions by x-powder diffraction (47nm). The thick film carbon dioxide gas sensor is designed by screen printing technique on glass substrate and implemented for design sensor module. The electrical resistance (R) measured against constant operating temperature with variable concentration of CO2 gas in % unit and shows results decrease with increases in the concentration of CO2 gas in %. On inspection of this data, it is found that, the synthesized composition is sensitive to Carbon dioxide (CO2) with very fast reverse recovery at specific temperature know as operating temperature. Using prepared CO2 gas sensor, signal conditioning is designed about TLC271. Deploying on chip resources of the AVR Atmega16 microcontroller an embedded system is designed to produce the CO2 data in % unit. The software is developed in embedded C, wherein calibration of the signal to engineering unit is emphasized. The output of the system provides in various manner to enhance the smartness of the present sensor module and obtained results discussed in this paper.
Article Details
Unique Paper ID: 153079

Publication Volume & Issue: Volume 8, Issue 5

Page(s): 426 - 430
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