The idea of attaching a push button to a GPIO input is deceptively simple. Use a push button and a couple of connections and some simple software to read a 1 or a 0, right? After all, it’s digital input and just 1s and 0s. It all seems so elementary, yet things are more complicated than that.


Button Press Schmitt Trigger Push Button CMOS Inverter Simple Software 

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© Warren Gay 2015

Authors and Affiliations

  • Warren Gay
    • 1
  1. 1.OntarioCanada

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