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  • ArneTR commented on SimonM83's instructable Improved Arduino Rotary Encoder Reading2 years ago
    Improved Arduino Rotary Encoder Reading

    This instructable is really great, Love it!Especially your thoughts about the rotary encoder problematic in the beginning really deepen the knowledge here.However, I think your wiring diagram is really confusing. It only makes clear how to connect the sensory inputs. But in your sketch you don't show the connection with VDD. I suggest you add the connection with 3.3V or 5.5V as it might not get clear to beginners that the rotary encoder needs a driving current to work. Also in my setup I had to use resistors on the inputs. This could be added as well.

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