Which sensor is commonly used to detect light intensity?
A photoresistor
What does a thermistor measure?
Temperature
What is the function of a microphone as a transducer?
Detecting sound waves and converting them into electrical signals
Give an example of a sensor used in smartphones.
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Give an example of an actuator used in home automation.
A relay
What type of signal does a digital sensor output?
A discrete signal (binary values like 1 or 0)
What does a pressure sensor measure?
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What is a common use of a motion sensor?
Turning lights on or using the brakes of your car
Name a device that acts as an actuator.
A motor
What is a transducer?
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Why are transducers important in automation systems?
They enable communication between system and surroundings
Which actuator converts electrical energy into mechanical movement?
An engine
What is the difference between a sensor and an actuator?
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Give an example of a temperature sensor.
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What does a proximity sensor detect?
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