Table 1. Characteristics of the Proposed E-Nose Data Acquisition (DAQ) System Compared to Previously Reported Devices.
| reference | measuring device | dimension (w × l × h) (mm3) | weight (g) | channel number (#) | fmax (MHz) | resolution (Hz) |
|---|---|---|---|---|---|---|
| (60) | QCM200 | (270 × 1829 × 51) | 907 | 1 | 5 | 1.0 |
| (69) | QCA 922 | (260 × 230 × 88) | 200 | 4 | 10 | 0.1 |
| (59) | NI-6602 (PCI) | 8 | 80 | 1.0 | ||
| (70) | ASIC | 8 | 11 | 1.0 | ||
| (68) | XC95108XL | 2 | 10 | 1.0 | ||
| (71) | OpenQCM (Arduino Micro) | (56 × 48 × 34) | 55 | 1 | 10 | 1.0 |
| (67) | PIC16F628A | 4 | 10 | 1.0 | ||
| this work | Arduino Due | (70 × 100 × 45) | 110 | 4 | 21 | 0.5 |