KARAKTERISASI SENSOR GAS MQ UNTUK SISTEM HIDUNG ELEKTRONIK
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Date
2020-01
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Abstract
Gas sensors of MQ series are economical sensors which often used in an electronic
nose system. This study aims to characterize six gas sensors of MQ series for an
electronic nose which are used to evaluate honey quality. The sensor used were MQ
2, MQ3, MQ4, MQ5, MQ6, and MQ9. The reason for choosing the MQ types are
based on volatile compounds contained in honey types. The six sensors were
connected to an Arduino microcontroller. An acquisition program using Arduino
IDE was designed and used to obtain output voltages from each sensor. The six
sensors were characterized based on their respons on samples of alcohol, honey,
and date syrup. The results showed that only 3 sensors are sensitive to honey and
date syrup, namely the MQ 3, MQ 4 and MQ 6 sensors while the other sensors such
as MQ 2, MQ 5 and MQ 9 are sensitive to air, smoke and carbon monoxide
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Keywords
Electronic nose, Gas sensor, MQ series, Arduino IDE, Honey