5PCS 3.3V-5V 8550 Electromagnetic Active Buzzer Alarm Module Sensor for Arduino

Description

Description: Using 8550 transistor driver Operating voltage:3.3V - 5 V With fixed bolt hole and easy installation PCB size: 27 * 15 mm Board interface: VCC connect external 3.3 V-5 V voltage (can connect with 3.3V or 5V microcontroller directly) IN connect external microcontroller IO port GND connect external GND Document link: https://www31.adrive.com/filemanager/downloadfile/84311297/FZ0497.rar Package include: 5 x Buzzer Module
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5PCS 3.3V-5V 8550 Electromagnetic Type Active Buzzer Sensor Module Board for Arduino
Product Description
Description:
Using 8550 transistor driver
Operating voltage:3.3V - 5 V
With fixed bolt hole and easy installation
PCB size: 27 * 15 mm
Board interface:
VCC connect external 3.3 V-5 V voltage (can connect with 3.3V or 5V microcontroller directly)
IN connect external microcontroller IO port
GND connect external GND
Arduino Code
int buzzer = 2;   // buzzer port
void setup()
{
pinMode(buzzer, OUTPUT);
}
void loop()
{
int i;
while (1)
{
for (i = 0; i < 80; i++) // 1st freq.
{
digitalWrite(buzzer, HIGH);
delay(10);
digitalWrite(buzzer, LOW);
delay(10);
}
for (i = 0; i < 40; i++) // 2nd frequ.
{
digitalWrite(buzzer, HIGH);
delay(20);
digitalWrite(buzzer, LOW);
delay(20);
}
}
}
Document link:
https://www31.adrive.com/filemanager/downloadfile/84311297/FZ0497.rar
Package include:
5 x Mini Buzzer Module
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