USE a BUZZER MODULE (PIEZO SPEAKER) USING ARDUINO UNO

1const int buzzer = 9; //buzzer to arduino pin 9
2
3
4void setup(){
5   
6  pinMode(buzzer, OUTPUT); // Set buzzer - pin 9 as an output
7
8}
9
10void   loop(){
11 
12  tone(buzzer, 1000); // Send 1KHz sound signal...
13  delay(1000);         // ...for 1 sec
14  noTone(buzzer);     // Stop sound...
15  delay(1000);         // ...for 1sec
16  
17}

1const int buzzer = 9; //buzzer to arduino pin 9
2
3
4void setup(){
5  
6  pinMode(buzzer, OUTPUT); // Set buzzer - pin 9 as an output
7
8}
9
10void  loop(){
11 
12  tone(buzzer, 1000); // Send 1KHz sound signal...
13  delay(1000);        // ...for 1 sec
14  noTone(buzzer);     // Stop sound...
15  delay(1000);        // ...for 1sec
16  
17}