noTone() to stop sound in Arduino - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to stop the sound on pin 8 using noTone().

Arduino

noTone([1]);

Drag options to blanks, or click blank then click option'

A8

B7

C5

D9

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different pin number than the one where the sound is playing.

Forgetting to call noTone() to stop the sound.

The noTone() function stops the sound on the specified pin. Here, pin 8 is used.

2fill in blank

medium

Complete the code to start a tone on pin 6 at 1000 Hz.

Arduino

tone([1], 1000);

Drag options to blanks, or click blank then click option'

A8

B6

C7

D5

Attempts:

3 left

💡 Hint

Common Mistakes

Using the wrong pin number.

Confusing tone() with noTone().

The tone() function starts a sound on the specified pin at the given frequency. Here, pin 6 is used.

3fill in blank

hard

Fix the error in stopping the tone on pin 9.

Arduino

noTone([1]);

Drag options to blanks, or click blank then click option'

A8

B10

C9

D7

Attempts:

3 left

💡 Hint

Common Mistakes

Using a different pin number than 9.

Not calling noTone() at all.

To stop the tone on pin 9, you must call noTone(9);.

4fill in blank

hard

Fill both blanks to play a 500 Hz tone on pin 4 and then stop it.

Arduino

tone([1], [2]);
noTone(4);

Drag options to blanks, or click blank then click option'

A4

B500

C1000

D5

Attempts:

3 left

💡 Hint

Common Mistakes

Swapping pin number and frequency.

Using the wrong pin number.

Use tone(4, 500); to play a 500 Hz tone on pin 4, then noTone(4); stops it.

5fill in blank

hard

Fill all three blanks to start a 750 Hz tone on pin 3, wait 1 second, then stop the tone.

Arduino

tone([1], [2]);
delay([3]);
noTone(3);

Drag options to blanks, or click blank then click option'

A3

B750

C1000

D500

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong delay time units.

Mixing up pin number and frequency.

Start the tone on pin 3 at 750 Hz, wait 1000 milliseconds (1 second), then stop the tone.