Arduino Prototyping Inputs #53: Rotary Encoders

Rotary encoders are a very common user input, especially when used in your cars audio system. They use an interesting means of detecting direction and the amount of rotation.

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Prototyping Supplies:

My Camera Equipment:

A few other FREE sensor tutorials you might like: (I have 100's!)
A few other sensor tutorials you might like: (I have 100's!)

And some playlists on prototyping with Arduino: