Introduction: Easy Ultrasonic Sensor Siren

By https://www.instagram.com/haroon
About: just a hobby.

Part list:

  • Ultrasonic sensor
  • Pezo (I used a big one)
  • Some wires

OK, lets begin.

Step 1: Connect the Ultrasonic Sensor and Pezo

Trig pin to pin 4, echo pin to pin 3 and pezo positive pin to pin 12.

Step 2: Code

Download the code form here:

Attachments

Step 3: Finished