[arduino source code for KC868-Uair-2] let Buzzer beep

[admin]

void setup() {
  pinMode(26,OUTPUT);
}

void loop() {
  digitalWrite(26,HIGH);
  delay(3000);
  digitalWrite(26,LOW);
  delay(2000);
}


download arduino IDE source code file: 

  beep.zip (Size: 247 bytes / Downloads: 315)