Arduino, Potentiometer, Data Types, PWM

What is POTENTIOMETER ?

• a variable resistor

• a sensor module

• a fixed resistor

• a buzzer

What is the output pin of a potentiometer?

• left PIN

• right PIN

• middle PIN

What is the name of the pins

• 1-GND

  2-VCC

  3-OUTPUT

• 1-VCC

  2-GND

  3-OUTPUT

• 1-GND

  2-OUTPUT

  3-VCC

• 1-OUTPUT

  2-GND

  3-VCC

Which LEG of LED used for output in a circuit ?

• Anode

• Cathode

What PINS in arduino is used for power I/O?

• 3.3 V pin

  5V pin

  Vin pin

  IOREF pin

• tx pin

  rx pin

  5v pin

• digital pins

• analog pins

How many kinds of output can an Arduino produce?

• analog

  low

  high

• digital output

  LOW-HIGH

  ON-OFF

  0V-5V

• power supply

• sensors

How we connect wires in brown area

• we connect wires horizontally

• we connect wires vertically

• connect to random hole

Which of the following CAN NOT be measured by a potentiometer?

• LED

• Piezo Buzzer

• Servo

• DHT 11 sensor

How many PWM digital pins are there on the Arduino Uno?

• 6 pins

• 13 pins

• 8 pins

• 4 pins

What is "int-string-float" in data type?

• number-text-decimal

• text-index number-decimal

• decimal-number-text

• index number-decimal-text