Motion Triggered Fog Machine using an Arduino

Fog machines can be unruly beasts. Especially the non-professional models you buy for halloween. With low duty cycles, causing massive amounts of fog when you don't need it, and no fog when you do. Wouldn't it be nice to have fog only when people come up to your house? Yeah, I thought so too. Here we are going to make a motion triggered fog machine that will turn on when ever someone comes up to your door. ...

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