IoT-Based Gas Sensors for Monitoring Alcohol Levels Design and Build
Hapsari J.P., Budisusila E.N., Ismail M., Nugroho D.
Abstract
Isopropyl ethanol and methanol can be grouped into the liquid alcohol group. Methanol is not a liquid that is safe to consume because it is used as an industrial solvent which is dangerous to consume. However, many sellers of traditional drinks which we usually call mixed drinks use methanol as the main ingredient of the drink, this is very dangerous for humans who consume them. Because of the problems surrounding this, a system for detecting alcohol concentration in drinks is needed which can be monitored via the internet network. The research was carried out using a methodology for measuring alcohol concentration levels in drinks using an MQ3 gas sensor. Next, the ESP8266 will send measurement data via the internet network as online monitoring. The measurement error value that occurs in this tool is a maximum of 2.75% and a minimum of 0.34%.
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