[Arduino] ultrasonic bebebe servo gun

My Third Rubber Gun.

[Source Code]


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The Second  Rubber Gun.

My First Rubber Gun.
idea from: *1

Refference:
*1. https://www.youtube.com/watch?v=kh3-SYCRl5Q
*2. http://www.instructables.com/id/Easy-arduino-sentry-gun/