Spring Robotics SE Review

Where is the LED connected?

What keyword turns on a pin (case sensitive)?

How many milliseconds is the delay on line 17?

What is the name for the grouping of code on lines 13-15?

Which line of code prepared the LED to be controlled by the Arduino?

What is/are the variables in this program?

• led
• brightness
• fadeAmount
• setup
• OUTPUT

What is the pin number for the buzzer in handout 1?

• 5
• 9
• 11
• 12

What is the function of the readPot() function in handout 1?

• Reads the button state
• Controls the motor
• Reads digital input from a potentiometer
• Reads analog input from a potentiometer and maps it to a range

What is the purpose of the doorbell() function in handout 1?

• Controls the doorbell LED
• Plays a doorbell sound
• Plays a doorbell sound when the button is pressed
• Toggles the doorbell state

How is the duration of each note controlled in the playNotes() function in handout 1?

• By using delay()
• By using a timer interrupt
• By comparing current time with previous time using millis()
• By adjusting the noteDuration variable