Extending the basic configuration, this circuit interfaces 12 switches using only four I/O pins of a microcontroller

AuthorsKartik Joshi
Main DocumentArticle «Novel Switch Interface Scheme Reduces Microprocessor Pin Count»
DescriptionFigure 2
File Format / SizePDF / 23 Kb
Document Languageenglish

Extending the basic configuration, this circuit interfaces 12 switches using only four I/O pins of a microcontroller

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