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The menu item above lists all the pages giving basic information with regard to
electronic and electricity. The horizontal menus, top and bottom give other information.
How electricity interacts with the world outside.
You have 5 senses, touch, taste, smell, hearing and
sight. These senses provide you with feedback about the world you are
interacting with. The 5 senses are inputs fed into your central processor
(brain) and then acted upon, this maybe direct action or stored for later
recall.
Take the simple task of crossing a road, you look and
listen then you begin to walk and you use your sense of touch to determine when
each foot touches the ground. You now hear a car approaching and look in it's
direction, with the information you determine your next course of action.
You are reading or listening to this web page and
storing the information for later retreval. I hope that your central processor
is finding the information worthy enough!!!
When we speak or move our limbs these are outputs that
we use to interact with world around us, electricity has the advantage over us
here since many additional outputs are available. Although I hope to light the
lamp above a few peoples heads when they get the Eureka moment, this is not a
real light.
Transducers and sensors are how electricity interacts
with the outside world, some are inputs from the world while others are outputs
to the world.
In the next part we will look at the difference
between a sensor and transducer