Introduction: Intro&Tools :
This project is using tone() with Arduino to make noise in an easy way.
You will need:
1 piezo speaker
1 supersonic sensor
BE CAREFUL WHEN YOU ARE USING THE PIEZO SPEAKER, IT IS FRAGILE!!!!!!!!!!!!!!
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Step 1: Code
Step 2: Try It!
connect the breadboard to your computer
you can try to get close to the supersonic sensor, it will make some noise when you get to a specific distance