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*[[http://www.ladyada.net/learn/sensors/tilt.html|Tilt sensors]] - Used to detect motion/vibration and orientation. | *[[http://www.ladyada.net/learn/sensors/tilt.html|Tilt sensors]] - Used to detect motion/vibration and orientation. | ||
*[[http://www.ladyada.net/learn/sensors/pir.html|PIR sensors]] - Used to detect motion activity such as animals or people | *[[http://www.ladyada.net/learn/sensors/pir.html|PIR sensors]] - Used to detect motion activity such as animals or people | ||
- | *[[http://www.ladyada.net/learn/sensors/thermocouple.html|Thermocouple]] - Used for temperature measurements, usually those above 150�C | + | *[[http://www.ladyada.net/learn/sensors/thermocouple.html|Thermocouple]] - Used for temperature measurements, usually those above 150°C |
*[[http://www.ladyada.net/learn/sensors/ir.html|IR receivers]] - Used to detect IR signals from remote controls | *[[http://www.ladyada.net/learn/sensors/ir.html|IR receivers]] - Used to detect IR signals from remote controls |