Difference Between Interrupts and Polling

How does chipKIT Uno32 know when the button is pressed... By Polling or Interrupts?
How does chipKIT Uno32 know when the button is pressed… By Polling or Interrupts?
If you’re new to microcontrollers and you want a quick overview for using polling or interrupts in your sketch, Digilent has just the blog post for you! In this post, James explains the differences between using polling vs. interrupts to determine when an input (like a button press) has occurred.
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