class Buzzer - passive buzzer

Usage:

from ezblock import PWM, Buzzer, Music

pwm = PWM("A0")                 # create pwm object
buzzer = Buzzer(pwm)            # create an 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 ezblock.Buzzer(pwm) Create an Buzzer object associated with the given pwm object. This allows you to then control buzzer.

Methods

  • on - Turn the buzzer on with a square wave

Buzzer.on()

  • off - Turn the buzzer off

Buzzer.off()

  • freq - Set the square wave frequency

Buzzer.freq(frequency)

  • play - Play freq, set off if a ms delay arguement is provided.

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