Research Article
NFC-Based User Interface for Smart Environments
Table 2
Comparison among panel versions: 1P, 2P, and 3P.
| Feature | 1P | 2P | 3P |
| Total # tags | 41 | 27 | 20 | # info. tags | 1 | 1 | 1 | # cancel tags | 0 | 1 | 1 | # single control tags | 34 | 19 | 12 | # scenery control tags | 6 | 6 | 6 | # reading operations | 1 | 2 | 3 |
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