Portable Electronic Nose Based on Digital and Analog Chemical Sensors for 2,4,6-Trichloroanisole Discrimination
Abstract
:1. Introduction
2. Materials and Methods
2.1. Description of the MultisensorNOSE
2.2. Communication Protocol
- Experiment: This section is where data are collected and stored with an easy user interface. Users can add smartphone GPS coordinates to the data and select the type of experiment. Buttons for starting and stopping the experiment and saving the data are available.
- Configuration: In this section, the user can change the adsorption and desorption times and the sampling period in an easy user interface.
- Graphics: In this section, the user can select one signal and see how it changes in real time using a graphic.
- Raw data: The application works like a UART terminal and shows all the data sent by the e-nose in this section.
2.3. Measurement Set-Up
3. Results and Discussion
3.1. Gas Generator
3.2. Cork Slab
3.3. Granulated Cork
4. Conclusions
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Sensor Model | Manufacturer | Type | Output Signals |
---|---|---|---|
BME680 | Bosch Sensortech GmbH, Germany | Digital | Temperature, Relative Humidity, Pressure, Resistance Value |
CCS811 | ScioSense B.V., The Netherlands | Digital | CO2, TVOCs 1, Resistance Value |
SGP30 | Sensirion AG, Switzerland | Digital | CO2, TVOCs, H2 (raw signal 2), Ethanol (raw signal) |
iAQ-Core C | ScioSense B.V., The Netherlands | Digital | CO2, TVOCs, Resistance Value |
ZMOD4410 | Renesas Electronics Corporation, Japan | Digital | Ethanol (raw signal), Resistance Value, CO2, TVOC, IAQ 3 |
MiCS-2714 | SGX Sensortech, Switzerland | Analog | NO2 |
MiCS-5524 | SGX Sensortech, Switzerland | Analog | CO |
MiCS-4514 | SGX Sensortech, Switzerland | Analog | CO, NO2 |
MiCS-5914 | SGX Sensortech, Switzerland | Analog | NH3 |
MiCS-6814 | SGX Sensortech, Switzerland | Analog | CO, NO2, NH3 |
CCS801 | ScioSense B.V., The Netherlands | Analog | VOCs |
CCS803 | ScioSense B.V., The Netherlands | Analog | Ethanol |
TGS8100 | Figaro Engineering Inc., Japan | Analog | VOCs |
AS-MLV-P2 | ScioSense B.V., The Netherlands | Analog | VOCs |
Command | ASCII Code | Description |
---|---|---|
MEAS_BME | BME680\r\n | Send a BME680 measure |
MEAS_SGP | SGP30\r\n | Send a SGP30 measure |
MEAS_CCS | CCS811\r\n | Send a CCS811 measure |
MEAS_IAQ | iAQ-Core\r\n | Send an iAQ-Core measure |
MEAS_ZM | ZMOD4410\r\n | Send a ZMOD4410 measure |
MEAS_SAN | SenAn\r\n | Send from all analog sensors |
EXP_MAIN | Exper\r\n | Initiate main experiment |
EXP_BME | Exper1\r\n | Initiate only BME680 experiment |
EXP_SGP | Exper2\r\n | Initiate only SGP30 experiment |
EXP_CCS | Exper3\r\n | Initiate only CCS811 experiment |
EXP_IAQ | Exper4\r\n | Initiate only iAQ-Core experiment |
EXP_ZM | Exper5\r\n | Initiate only ZMOD4410 experiment |
EXP_SAN | Exper6\r\n | Initiate only analog sensors experiment |
STOP | Stop\r\n | Stop experiment |
INFO | INFO\r\n | Send device details |
Class | Real Concentration (ng/L) | Predicted Concentration (ng/L) |
---|---|---|
A | 4.1 | 4.5 |
A | 4.1 | 4.6 |
A | 4.1 | 4.2 |
B | 6.5 | 6.7 |
B | 6.5 | 7.1 |
B | 6.5 | 6.6 |
C | 8.3 | 8.5 |
C | 8.3 | 7.8 |
C | 8.3 | 7.9 |
D | 10.7 | 7.2 |
D | 10.7 | 7.4 |
D | 10.7 | 8.0 |
E | 12.4 | 11.8 |
E | 12.4 | 12.3 |
E | 12.4 | 13.6 |
F | 15.1 | 14.9 |
F | 15.1 | 15.0 |
F | 15.1 | 14.6 |
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Meléndez, F.; Arroyo, P.; Gómez-Suárez, J.; Palomeque-Mangut, S.; Suárez, J.I.; Lozano, J. Portable Electronic Nose Based on Digital and Analog Chemical Sensors for 2,4,6-Trichloroanisole Discrimination. Sensors 2022, 22, 3453. https://doi.org/10.3390/s22093453
Meléndez F, Arroyo P, Gómez-Suárez J, Palomeque-Mangut S, Suárez JI, Lozano J. Portable Electronic Nose Based on Digital and Analog Chemical Sensors for 2,4,6-Trichloroanisole Discrimination. Sensors. 2022; 22(9):3453. https://doi.org/10.3390/s22093453
Chicago/Turabian StyleMeléndez, Félix, Patricia Arroyo, Jaime Gómez-Suárez, Sergio Palomeque-Mangut, José Ignacio Suárez, and Jesús Lozano. 2022. "Portable Electronic Nose Based on Digital and Analog Chemical Sensors for 2,4,6-Trichloroanisole Discrimination" Sensors 22, no. 9: 3453. https://doi.org/10.3390/s22093453