#define buzzer 3
void setup() {
pinMode(buzzer, OUTPUT);
}
void loop() {
tone(buzzer, 200,2000);
delay(1000);
tone(buzzer, 400,1000);
delay(1000);
tone(buzzer, 700,2000);
delay(1000);
tone(buzzer, 1000,1000);
delay(1000);
}
#define buzzer 3
void setup() {
pinMode(buzzer, OUTPUT);
}
void loop() {
tone(buzzer, 200,2000);
delay(1000);
tone(buzzer, 400,1000);
delay(1000);
tone(buzzer, 700,2000);
delay(1000);
tone(buzzer, 1000,1000);
delay(1000);
}