+A **transducer** is a device that transforms energy from one form into another. It bridges the physical world and electronic signals; for instance, a [Microphone](/wiki/Microphone) converts sound into electricity, while a [Speaker](/wiki/Speaker) performs the opposite. These components are essential in sensing, measurement, and control systems.
+## See also
+- [Sensor](/wiki/Sensor)
+- [Actuator](/wiki/Actuator)
+- [Energy Conversion](/wiki/Energy_Conversion)
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