Design of a Portable Carbon Monoxide (CO) Detection Device Utilizing MQ-7 Sensor for Health Monitoring in Care Rooms

Dea Calista; Henra Jasman; Andarini Asri; Fitriani

doi:10.31963/elekterika.v22i2.5812

Authors

Dea Calista Politeknik Negeri Ujung Pandang
Henra Jasman Politeknik Negeri Ujung Pandang
Andarini Asri Politeknik Negeri Ujung Pandang
Fitriani Politeknik Negeri Ujung Pandang

DOI:

https://doi.org/10.31963/elekterika.v22i2.5812

Keywords:

Portable; Carbon Monoxide; Detector MQ-7

Abstract

Carbon monoxide (CO) is a colorless and odorless toxic gas that can be harmful to health if inhaled in high concentrations. This research aims to design and build a portable CO detection device for use in treatment rooms. This device utilizes an MQ-7 sensor, which has high sensitivity to carbon monoxide (CO) gas, and an Arduino microcontroller to process data from the sensor and display the detection results on an LCD screen. The research method includes electronic circuit design, sensor testing on various cigarette samples, and analysis of CO gas detection results. The test results indicate that this device can detect CO gas concentrations with high accuracy, with the highest average value recorded in 1st cigarette samples at 44.6 ppm. This device is designed with an intuitive user interface, allowing medical personnel to efficiently monitor air quality in treatment rooms. This tool prototype shows satisfactory results as a mitigation step against CO gas exposure in healthcare settings.

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