Piezo Buzzer (Big) 6-12V
Piezo Buzzer (Big) 6-12V
The Piezo Buzzer (Big) 6-12V is an electronic component designed to produce a high-pitched alarm sound when an electric current is applied to it. It is commonly used in various applications, including industrial control systems, security systems, and consumer electronics, to alert users of specific events or conditions.
The Piezo Buzzer (Big) 6-12V operates on the principle of piezoelectricity, where an electric current applied to the device causes a thin metal plate to vibrate, producing a high-frequency sound wave. When an alternating current (AC) is applied to the buzzer, the plate vibrates rapidly, generating a loud, high-pitched tone.
The Piezo Buzzer (Big) 6-12V can operate within a wide range of input voltages, making it suitable for various power supply configurations.
The buzzer produces a loud, high-pitched sound that is easily audible in most environments, making it ideal for warning or alert systems.
| Parameter | Value |
| --- | --- |
| Operating Voltage | 6-12V DC |
| Sound Pressure Level (SPL) | Up to 95 dB |
| Frequency | 2-4 kHz |
| Lifespan | Over 1 million cycles |
| Dimensions | 23.5 x 14.5 x 10.5 mm |
| Weight | Approximately 15 grams |
| Connection | 2 terminals |
By following proper usage guidelines and precautions, the Piezo Buzzer (Big) 6-12V can provide reliable and efficient sound output for a wide range of applications.
Component Documentation: Piezo Buzzer (Big) 6-12VOverviewThe Piezo Buzzer (Big) 6-12V is a high-decibel buzzer that operates within a voltage range of 6-12V. It is commonly used in various IoT projects, alarm systems, and other applications where a loud, high-pitched sound is required.PinoutThe Piezo Buzzer (Big) 6-12V has two pins:Positive pin (VCC): Connect to the positive voltage supply (6-12V)
Negative pin (GND): Connect to the ground (0V)Operating CharacteristicsOperating Voltage: 6-12V
Operating Current: 30mA (max)
Sound Frequency: 2.1 kHz (typical)
Sound Pressure Level: 95 dB (maximum)
Dimensions: 23.5 mm x 15.5 mm x 7.5 mmCode Examples### Example 1: Basic Buzzer Operation with ArduinoThis example demonstrates how to use the Piezo Buzzer (Big) 6-12V with an Arduino board to produce a continuous tone.
```c++
const int buzzerPin = 9; // Connect the buzzer to digital pin 9void setup() {
pinMode(buzzerPin, OUTPUT);
}void loop() {
digitalWrite(buzzerPin, HIGH); // Turn on the buzzer
delay(1000); // Keep the buzzer on for 1 second
digitalWrite(buzzerPin, LOW); // Turn off the buzzer
delay(1000); // Keep the buzzer off for 1 second
}
```
### Example 2: Generating a Melody with Raspberry Pi (Python)This example demonstrates how to use the Piezo Buzzer (Big) 6-12V with a Raspberry Pi to generate a simple melody.
```python
import RPi.GPIO as GPIO
import timeGPIO.setmode(GPIO.BCM)
buzzer_pin = 17
GPIO.setup(buzzer_pin, GPIO.OUT)def play_note(frequency, duration):
GPIO.output(buzzer_pin, GPIO.HIGH)
time.sleep(duration)
GPIO.output(buzzer_pin, GPIO.LOW)
time.sleep(0.05) # Short pause between notes# Define the melody
melody = [(261.63, 0.5), (293.66, 0.5), (329.63, 0.5), (349.23, 0.5), (392.00, 0.5)]for note in melody:
play_note(note[0], note[1])GPIO.cleanup()
```
### Example 3: Using the Buzzer as an Alarm with ESP32 (MicroPython)This example demonstrates how to use the Piezo Buzzer (Big) 6-12V with an ESP32 board to create a simple alarm system that triggers when a button is pressed.
```python
import machine
import timebuzzer_pin = 25
button_pin = 0machine.Pin(buzzer_pin, machine.Pin.OUT)
machine.Pin(button_pin, machine.Pin.IN, machine.Pin.PULL_UP)def alarm():
machine.Pin(buzzer_pin, machine.Pin.HIGH)
time.sleep(0.5)
machine.Pin(buzzer_pin, machine.Pin.LOW)
time.sleep(0.5)while True:
if machine.Pin(button_pin, machine.Pin.IN).value() == 0:
alarm()
```
PrecautionsHandle the buzzer with care to avoid damage to the internal components.
Ensure that the operating voltage and current are within the specified limits to prevent damage to the buzzer.
Use a suitable resistor in series with the buzzer to prevent excessive current draw, especially when using a voltage source higher than 6V.