Proximity, Presence
- Alarm sensor
- Doppler radar
- Motion detector
- Occupancy sensor
- Proximity sensor
- Passive infrared sensor
- Reed switch
- Stud finder
- Triangulation sensor
- Touch switch
- Wired glove
Read more about this topic: List Of Sensors
Famous quotes containing the word presence:
““Lord, now lettest thou thy servant depart in peace, according to your word; for mine eyes have seen thy salvation, which thou hast prepared in the presence of all peoples, light for revelation to the Gentiles and for glory to thy people Israel.””
—Bible: New Testament (RSV)