Intermediate Arduino Workshop Quiz

What is the name of the component as shown above?

• Potentiometer

• Ultrasonic sensor

• LDR

• Servo

What is the maximum frequency of sound that can be heard by human?

• 20000 Hz

• 40000 Hz

• 60000 Hz

• 80000 Hz

What is the function of an Ultrasonic sensor?

• Measures infrared (IR) light radiating from objects in its field of view.

• Hosting an application or offloading all Wi-Fi networking functions from another application processor.

• Allow the interface between Wi-Fi module and computer device.

• Measure the distance to an object by using sound waves.

Which of the following option correctly describe the function of the pin of Ultrasonic Sensor stated?

• Vcc

  ~Trigger a series of pulse to be reflected by obstacle in front

• Trig

  ~Ground

• Echo

  ~Receive the pulse reflected by obstacle in front

• GND

  ~Voltage supply to the ultrasonic sensor

What is the name of the component as shown below?

• Servo motor

• LDR

• Potentiometer

• L298N Motor Driver

Which of the following are the function of Servo?

i. control the position of objects,

ii. rotate objects,

iii. move legs, arms or hands of robots,

iv. move sensors.

• i, ii and iii

• i, iii and iv

• ii, iii and iv

• i, ii, iii and iv

What is the name of the component as shown below?

• LED

• LDR

• Servo

• IR Sensor

Which of the following statement about LDR is FALSE?

• Used in light sensing circuits.

• Has a (variable) resistance that changes with the light intensity that falls upon it.

• The resistance is decreasing with light intensity.

• The resistance is increasing with light intensity.

What is the function of the Enable Pins (L298N Motor Driver) when Arduino Uno is used? (the value varies with microcontroller)

• used to control the direction of motor.

• used to control the intensity of light of the motor.

• used to control the speed of motor.

• used to control the sensitivity of the motor.

What are the maximum and minimum value respectively for PWM?

• Maximum = 250

  Minimum = 0

• Maximum = 255

  Minimum = 0

• Maximum = 0

  Minimum = 255

• Maximum = 0

  Minimum = 250