24.Smart Museum

What is the purpose of a PIR sensor in a smart museum using Arduino?

• To measure temperature and humidity l

• To play audio and video

• To detect motion and trigger actions

• To control the lighting

Which Arduino function would be used to make sounds from buzzer?

• analogRead()

• digitalRead()

• pinMode()

• tone()

Which Arduino function would be used to control the movement of a servo?

• digitalWrite()

• analogWrite()

• attach()

• delay()

Which type of data does a PIR sensor provide to an Arduino in a smart museum code?

• Analog data

• Digital data

• PWM data

• only strings

Observe the given figure and answer that whether it stopped or started the simulation?

• stopped the simulation

• started the simulation

which of the following pin of arduino is connected to pir senesor signal pin?

• 12

• 13

• 11

• 9

What does PIR stand for in PIR sensor?

• Photo Induction Ray

• Passive Infrared

• Programmable Infrared Receiver

• Pulse Infrared Relay