Motion Sensor Alarm System Quiz

What is the main function of a Motion Sensor in an alarm system?

• By analyzing light intensity

• By emitting sound waves

• By measuring distance

• By detecting changes in temperature

How does a PIR motion sensor detect motion?

• By measuring distance

• By analyzing light intensity

• By detecting changes in temperature

• By emitting sound waves

What are the essential pins required for a motion sensor to work with Arduino Uno R3?

• +3V, GND, and input pins

• +3V, GND, and output pins

• +5V, GND, and output pins

• +5V, GND, and input pins

What triggers the output signal of a motion sensor in an alarm system?

• Infrared radiation from objects generating heat

• Distance measurement

• Changes in light intensity

• Sound waves from the environment

How can a motion sensor alarm system be customized other than sounding an alarm?

• Increase the LED brightness

• Attach a servo to release a rubber band

• Turn on a fan

• Activate a camera

What is the purpose of integrating wireless communication modules with Arduino Uno R3 in the alarm system?

• To improve the LED brightness

• To enable remote monitoring and control

• To increase the alarm volume

• To add more sensors

What is the primary component used to trigger the LED and buzzer in the alarm system?

• Motion sensor

• Light sensor

• Sound sensor

• Temperature sensor

What is the significance of connecting multiple PIR motion sensors in different areas of the alarm system?

• To activate specific LEDs and buzzers based on the sensor detecting motion

• To confuse the system

• To reduce the alarm volume

• To save energy