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3.3 - 5V Active Buzzer Module for Arduino with demo code AVR PIC
Specifications:
Active buzzer module
Buzzer is an integrated structure of electronic transducers, DC power supply, widely used in computers,
printers, copiers, alarms, electronic toys, automotive electronic equipment, telephones, timers and other
electronic products for sound devices . Active buzzer 5V Rated power can be directly connected to a
continuous sound, this section dedicated sensor expansion module and the board for Arduino in
combination, can complete a simple circuit design, to "plug and play."
Test code:
int speakerPin = 8 ;/ / control horn pin
int potPin = 4 ;/ / control pin adjustable resistor
int value = 0;
void setup ()
{
pinMode (speakerPin, OUTPUT);
}
void loop () {
value = analogRead (potPin); reading resistor values pin
digitalWrite (speakerPin, HIGH);
delay (value); adjust the speaker sound of the time;
digitalWrite (speakerPin, LOW);
delay (value); adjust the speaker does not ring a time;
}
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