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*[http://www.instructables.com/id/Building-a-Capacitive-Liquid-Sensor/ Building a Capacitive Liquid Sensor] | *[http://www.instructables.com/id/Building-a-Capacitive-Liquid-Sensor/ Building a Capacitive Liquid Sensor] | ||
* [http://emergent.unpy.net/01219970985 "Two-element capacitative touch sensor"] with an Arduino. Hints at how to extend to more elements. | * [http://emergent.unpy.net/01219970985 "Two-element capacitative touch sensor"] with an Arduino. Hints at how to extend to more elements. | ||
− | *[http://www. | + | *[http://www.google.com/url?sa=t&source=web&cd=2&ved=0CBgQFjAB&url=http%3A%2F%2Fwww.capsense.com%2Fcapsense-wp.pdf&ei=fBTnTIz2IIL88AaB2tDoDA&usg=AFQjCNFAfYokZAXwMS_b9tDYCXybektYmA&sig2=-85YV8ADfTiPriM2orntQg Capacitive Sensors] a pdf |
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=== IR Infra Red Sensor Reciever Detector === | === IR Infra Red Sensor Reciever Detector === | ||
− | * See | + | * See Light Sensor |
* [[Infra Red Receiver Pinout]] | * [[Infra Red Receiver Pinout]] | ||
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* [http://en.wikipedia.org/wiki/Passive_infrared_sensor Passive infrared sensor From Wikipedia, the free encyclopedia] | * [http://en.wikipedia.org/wiki/Passive_infrared_sensor Passive infrared sensor From Wikipedia, the free encyclopedia] | ||
* [http://www.ladyada.net/learn/sensors/ir.html IR detector Make remote controls and listeners] | * [http://www.ladyada.net/learn/sensors/ir.html IR detector Make remote controls and listeners] | ||
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=== Temperature Sensor === | === Temperature Sensor === | ||
− | Some are analog some are digital. All can use microcontroller interfaces again digital or analog. Two analog devices are LM34 and LM35, they are very easy to use because the voltage output is directly proportional to the temperature. Dallas semiconductor makes a line of sensors based on their | + | Some are analog some are digital. All can use microcontroller interfaces again digital or analog. Two analog devices are LM34 and LM35, they are very easy to use because the voltage output is directly proportional to the temperature. Dallas semiconductor makes a line of sensors based on their one wire networking, cool. Temperature may also be sensed by thermistors ( temperature sensitive resistors ), the forward voltage on a diode ( or transistor ) or by thermocouples ( junctions of two different conductors ). Thermocouples can work up to almost the melting temperature of the conductors. You can also sense temperature based on the light emitted ( usually ir ) from the object. Many of the temperature sensors can be highly non-linear in their response, programming in a microcontroller can be used to linearize the readings. |
*[http://www.instructables.com/id/Water-proofed-temperature-sensor/ Water proofed temperature sensor] from instructables. | *[http://www.instructables.com/id/Water-proofed-temperature-sensor/ Water proofed temperature sensor] from instructables. | ||
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* [http://www.sensorsportal.com/HTML/Sensor.htm Sensors Web Portal] | * [http://www.sensorsportal.com/HTML/Sensor.htm Sensors Web Portal] | ||
* [http://www.prc68.com/I/Sensors.shtml Sensors © Brooke Clarke 2000 - 2007] | * [http://www.prc68.com/I/Sensors.shtml Sensors © Brooke Clarke 2000 - 2007] | ||
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