Buzzer

you can hear the active buzzer beeping once powered on

hardware

• Arduino Board
• Buzzer Board (with tag)

wire

• SIG 7
• VCC VCC
• GND GND

code

const int buzzerPin = 7;

void setup() {
  // put your setup code here, to run once:
  pinMode(buzzerPin, OUTPUT);
  digitalWrite(bizzerPin, LOW); // initialize the buzzerPin as LOW level
}

void loop() {
}