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A Compact and Low Cost Electronic Nose for Aroma Detection

University Center of Merida, University of Extremadura, Sta. Teresa de Jornet, 38, Mérida 06800, Spain
Polytechnic School, University of Extremadura, Cáceres 10003, Spain
Faculty of Science, University of Extremadura, Avda. Elvas s/n, Badajoz 06006, Spain
Author to whom correspondence should be addressed.
Sensors 2013, 13(5), 5528-5541;
Received: 31 January 2013 / Revised: 18 April 2013 / Accepted: 19 April 2013 / Published: 25 April 2013
(This article belongs to the Special Issue Gas Sensors - 2013)
This article explains the development of a prototype of a portable and a very low-cost electronic nose based on an mbed microcontroller. Mbeds are a series of ARM microcontroller development boards designed for fast, flexible and rapid prototyping. The electronic nose is comprised of an mbed, an LCD display, two small pumps, two electro-valves and a sensor chamber with four TGS Figaro gas sensors. The performance of the electronic nose has been tested by measuring the ethanol content of wine synthetic matrices and special attention has been paid to the reproducibility and repeatability of the measurements taken on different days. Results show that the electronic nose with a neural network classifier is able to discriminate wine samples with 10, 12 and 14% V/V alcohol content with a classification error of less than 1%. View Full-Text
Keywords: electronic nose; microcontroller; neural network electronic nose; microcontroller; neural network
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MDPI and ACS Style

Macías, M.M.; Agudo, J.E.; Manso, A.G.; Orellana, C.J.G.; Velasco, H.M.G.; Caballero, R.G. A Compact and Low Cost Electronic Nose for Aroma Detection. Sensors 2013, 13, 5528-5541.

AMA Style

Macías MM, Agudo JE, Manso AG, Orellana CJG, Velasco HMG, Caballero RG. A Compact and Low Cost Electronic Nose for Aroma Detection. Sensors. 2013; 13(5):5528-5541.

Chicago/Turabian Style

Macías, Miguel Macías, J. Enrique Agudo, Antonio García Manso, Carlos Javier García Orellana, Horacio Manuel González Velasco, and Ramón Gallardo Caballero. 2013. "A Compact and Low Cost Electronic Nose for Aroma Detection" Sensors 13, no. 5: 5528-5541.

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