Part 6 of 15

Active buzzer

Active buzzer

Makes beeps

In your kit: 1×

🔎 What is it?

The buzzer makes a beep sound. It is an active buzzer: it beeps by itself as soon as it gets power. You only have to turn it on and off, just like a little light.

🔌 This is how you connect it

  • S (signal) to a pin, for example D8
  • + to 5V
  • − to GND

Wiring diagram

From To
Arduino UNO · GND Active buzzer · -
Arduino UNO · 5V Active buzzer · +
Arduino UNO · D8 Active buzzer · S

✨ What can you do with it?

  • An alarm
  • A parking sensor that beeps faster when you get closer
  • A doorbell or a timer

💡 Tip

Want a short beep? Turn the buzzer on, wait 100 milliseconds, and turn it off again.

Projects with this part

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