Monday, April 02, 2012

What are sensors?

A�sensor�refers to an electronic device used to detect or sense a signal or a physical condition.
Sensors are technologically advanced to detect an indicate a change and are widely used in medicine and robotics, a good ex...ample is a smoke detector which senses smoke and gives a warning through a siren.
�Sensors� are devices that sense variationin signals due to variation of other parameters and give rise to a pneumatic reaction after wards.
The sensors on your remore control senses the variation in voltage due to your fingers pressing a button and sends according signals to the TV receptors whic is again decoded and the channel is changed or volume is increased accordingly.

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