class Buzzer - passive buzzer

Usage

from robot_hat import PWM, Buzzer, Music

pwm = PWM("A0")                 # create a pwm object
buzzer = Buzzer(pwm)            # create a Buzzer object with PWM object
music = Music()                 # create music object

buzzer.play(music.note("Low C"), music.beat(1))   # play low C for 1 beat
buzzer.play(music.note("Middle C#"))              # play middle C sharp
buzzer.off()                                      # turn buzzer off

Constructors

class robot_hat.Buzzer(pwm): Create a Buzzer object associated with the given pwm object. This will allow you to control the buzzer.

Methods

• on - Turn the buzzer on with a square wave.

Buzzer.on()

• off - Turn the buzzer off.

Buzzer.off()

• freq - Set the frequency of the square wave.

Buzzer.freq(frequency)

• play - Make the buzzer sound at a specific frequency and stop at a ms delay time.

Buzzer.play(freq, ms)
Buzzer.play(freq)