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Judul:	Alcohol Concentration Detector In Liquor Based On Microcontroller
Penulis:	Mirtha Y. S. Risakotta, Ronaldo Talapessy & Rosita De Fretes \|\| email: info@mx.unpatti.ac.id
Jurnal:	Prosiding FMIPA 2017 Vol. 1 no. 1 - hal. 117-122 Tahun 2017 [ Prosiding ]
Keywords:	Alcohol, Microcontroller ATMega16, Sensor MQ-3, Sopi
Abstract:	Has made an alcohol concentration detector based on microcontroller that can detect alcohol concentration in liquor is accurate, fast, stable and has a high sensitivity. In this research, use traditional liquor of Moluccas “Sopi”, and liquors on the market. An alcohol concentration detector was built based on microcontroller ATmega16 which can receive and process data from the sensor MQ-3 in a form that can be converted into the form of an electrical signal and the output is displayed on the LCD. Calibration of the sensor MQ-3 shows that the greater the value of resistance sensor, the smaller the value of an alcohol concentration. The correlation of resistance sensor to alcohol concentration is plotted in a graph of linearity with R 2 = 0,9982. The results of liquor on the market and Sopi (premium quality) had alcohol concentration ranging between 3 – 5% per mL, while an alcohol concentration of Sopi (regular quality) is below 3% per mL.
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