Buzzer Unit

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Micropython Example:

# SPDX-FileCopyrightText: 2024 M5Stack Technology CO LTD
#
# SPDX-License-Identifier: MIT

import os, sys, io
import M5
from M5 import *
from unit import BuzzerUnit


buzzer_0 = None


def setup():
    global buzzer_0

    M5.begin()
    Widgets.fillScreen(0x222222)

    buzzer_0 = BuzzerUnit((8, 9))


def loop():
    global buzzer_0
    M5.update()
    if M5.Touch.getCount():
        buzzer_0.once(freq=4000, duty=50, duration=50)


if __name__ == "__main__":
    try:
        setup()
        while True:
            loop()
    except (Exception, KeyboardInterrupt) as e:
        try:
            from utility import print_error_msg

            print_error_msg(e)
        except ImportError:
            print("please update to latest firmware")

UIFLOW2 Example:

cores3_buzzer_example.m5f2

class BuzzerUnit

Constructors

class BuzzerUnit(port)

Create an BuzzerUnit object.

The parameters are:

• port Is the pin number of the port

UIFLOW2:

Methods

BuzzerUnit.once(freq=10, duty=50, duration=50)

Play buzzer once.

参数:

• freq (int) – The frequency of the vibration, range is 100 - 10000Hz.

• duty (int) – The duty cycle of the vibration, range is 0 - 100.

• duration (int) – The duration of the vibration, range is 0 - 10000ms.

UIFLOW2:

BuzzerUnit.set_freq(freq: int)

Set the frequency of the buzzer.

参数:

freq (int) – The frequency of the vibration, range is 100 - 10000Hz.

UIFLOW2:

BuzzerUnit.set_duty(duty: int)

Set the duty cycle of the buzzer.

参数:

duty (int) – The duty cycle of the vibration, range is 0 - 100.

UIFLOW2:

BuzzerUnit.turn_off()

Turn off the buzzer.

UIFLOW2:

BuzzerUnit.deint()

Deinitialize the buzzer.

UIFLOW2: