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Categorization of Ambient Sensors.
| Type of Sensor | Subcategories | Examples |
|---|---|---|
| Ambient sensors | Environmental sensors | Thermometer |
| Hygrometer | ||
| Binary sensors | Window contact | |
| Door contact | ||
| Light switch | ||
| Remote control switch | ||
| Location sensors | Infra-red | |
| Physiological sensors | Zigbee | |
| Active Radio Frequency Identification (RFID) | ||
| Tags | RFID tags | |
| Near Field Communication (NFC) tags |
