Automatic Door

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1. What is the main advantage of implementing an automatic door using Arduino?

• a) It predicts the weather
• b) It increases manual labor
• c) It changes the door's shape
• d) It enhances security and convenience

2. What type of sensor is commonly used to detect the presence of a person for automatic door activation?

• a) Temperature sensor
• b) Light sensor
• c) Proximity sensor
• d) Sound sensor

3. How does the Arduino communicate with the sensors in an automatic door system?

• a) By using Morse code
• b) By analyzing sensor data and making decisions
• c) By sending smoke signals
• d) By predicting sensor behavior

4. What is the role of a motor in an automatic door system controlled by Arduino?

• a) To predict the door's movement
• b) To change the door's shape
• c) To provide power for the entire system
• d) To physically open and close the door

5. How can Arduino control the speed of an automatic door's opening and closing motions?

• a) By adjusting the voltage supplied to the motor
• b) By using magnetic fields
• c) By predicting the speed using an algorithm
• d) By changing the door's color

6. What type of input is most suitable for Arduino to receive from a button for manual control of the automatic door?

• a) Temperature reading
• b) Digital signal indicating intent to open or close
• c) Predictive gesture
• d) A musical note0