A device that converts one kind of energy, like the energy of motion, into another, like the energy of an electric currentThe amount of electrical flow. Measured in amperes or amps (A).. Transducers are fundamental to sensorsA device that can measure something about its environment. Examples are movement, light, color, moisture, pressure, and many more., since they let us measure something physical as an electric current.
Inside the Internet of Things - Bryon Moyer Blog