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Obstacle-Avoiding Robot with a Personality!

Step 5Bob Needs Sound!

Bob Needs Sound!

Connect a piezo speaker to PIN 5, and - to ground. Bob needs to express himself! The best kind of piezospeaker to use would be a surface mount one. They are almost always 5 volts. Otherwise, if you use one rated below 5V, you are going to need a resistor.

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Author:mortaldoom780 (Reece)