Arduino2

Which Arduino function runs only once when the board is powered or reset?

• loop()

• setup()

• start()

What does pinMode(13, OUTPUT); do?

• Reads analog data from pin 13

• Sets pin 13 as input

• Sets pin 13 as output

What is the use of digitalWrite(pin, HIGH);?

• Reads digital input

• Sets pin to LOW

• Outputs a high voltage (5V) on the pin

Which values can digitalRead() return?

• 0–1023

• true/false

• HIGH/LOW

Which function is used to set a digital pin to input mode?

• digitalRead()

• pinMode(pin, INPUT);

• analogRead()

What is the range of values returned by analogRead()?

• 0–255

• 0-1023

• 0-1024

Which pin label is used for analog input on Arduino ?

• D0-D13

• A0-A5

• A0-A7

What does analogRead(A0) do?

• Writes analog voltage to A0

• Reads digital input from A0

• Reads analog voltage at pin A0

How many digital pins are there on Arduino?

• 14

• 13

• 12

Which pins support PWM output on Arduino?

• 2, 4, 6

• 3, 5, 6, 9, 10, 11

• A0–A5