3rd Quarter Quizizz

What is the maximum voltage that can be used to power an Arduino four-channel relay?

• 3.3V

• 5V

• 9V

• 12V

Which pins on an Arduino four-channel relay are used to control the relay channels?

• VCC and GND

• IN1, IN2, IN3, IN4

• NO, COM, NC

• A0-A5

How many LEDs are typically present on an Arduino four-channel relay module?

• 1

• 2

• 3

• 4

How many relay channels can be controlled using a single Arduino four-channel relay module?

• 1

• 2

• 3

• 4

Which type of relay is typically used in an Arduino four-channel relay module?

• Electromechanical

• Mechanical

• Solid State

• Extension Wire

Which pins on an Arduino four-channel relay module are used to connect the load?

• IN1, IN2, IN3, IN4

• VCC and GND

• NO, COM, NC

• A0-A5

Assuming that the 2-channel relay circuit diagram has IN1 connected to D2 and IN2 connected to D3, what would be the Arduino code to rotate the motor?

• digitalWrite(HIGH, 2);

  digitalWrite(LOW, 3);

• digitalWrite(2, HIGH);

  digitalWrite(3, LOW);

• digitalWrite(2, HIGH);

  digitalWrite(3, HIGH);

• digitalWrite(2, LOW);

  digitalWrite(3, LOW);

Using the 2-channel relay circuit diagram which terminal block of the relay motor is connected?

• NC

• COM

• NO

• NC & NO

Assuming that the 2-channel relay circuit diagram has IN1 connected to D2 and IN2 connected to D3, what would be the Arduino code to rotate the motor?

• digitalWrite(HIGH, 2);

  digitalWrite(LOW, 3);

• digitalWrite(2, HIGH);

  digitalWrite(3, LOW);

• digitalWrite(2, HIGH);

  digitalWrite(3, HIGH);

• digitalWrite(2, LOW);

  digitalWrite(3, LOW);

Using the 2-channel relay circuit diagram which terminal block of the EXTERNAL POWER SOUCE VCC(+) is connected?

• NC

• COM

• NO

• NC & NO