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Passive Buzzer Unit

by M5Stack
An image of Passive Buzzer Unit An image of Passive Buzzer Unit An image of Passive Buzzer Unit An image of Passive Buzzer Unit An image of Passive Buzzer Unit An image of Passive Buzzer Unit An image of Passive Buzzer Unit An image of Passive Buzzer Unit

Buzzer Unit is a mini passive buzzer unit, drived by 4KHz signal, that sounds up to 72dB within 10cm distance under rating input power.

With the feature of compact size, low-power consumption, awesome audio performance, and a protective housing. Applied for varied buzzer alarm scenario.

Features

  • Drive signal:
  • 4KHz oscillation frequency
  • Up to 72dB (within 10cm, at rating power)
  • Drive signal: 4KHz 1/2duty square wave

Include

  • 1x BUZZER Unit
  • 1x HY2.0-4P cable (20cm)

Specification

Specifications Parameters
Drive frequency 4KHz 1/2duty square wave
Power consumption 5V@86mA
Net weight 3.5g
Gross weight 8.5g
Product size 24 x 24 x 8mm
Packing size 93 x 138mm

PinMap

M5CORE - PORT B G26
BUZZER SIGNAL

Example

Arduino

#include <Arduino.h>

#define buzzer_pin 26
int freq = 4000;
int ledChannel = 0;
int resolution = 10;

void setup() {
ledcSetup(ledChannel, freq, resolution); //Sets the frequency and number of counts corresponding to the channel. 设置通道对应的频率和计数位数
ledcAttachPin(buzzer_pin, ledChannel); //Binds the specified channel to the specified I/O port for output. 将指定通道绑定到指定 IO 口上以实现输出
ledcWrite(ledChannel, 512); //Output PWM. 输出PWM
}

void loop() {
ledcWrite(ledChannel, 512); //Output PWM. 输出PWM
delay(3000);
ledcWrite(ledChannel, 0); //Output PWM. 输出PWM
delay(3000);
}

Reviews

User photos

Buzzer Unit is a mini passive buzzer unit, drived by 4KHz signal, that sounds up to 72dB within 10cm distance under rating input power.

U132

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SKU
U132
EAN
6972934173294
Brand
M5Stack
Stock available
0 units
Backorder not allowed on this product
Weight
7g

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