• Interrupts on the PiFace — Odd Bits
  I recently acquired both a Raspberry Pi and a PiFace IO board. I had a rough time finding examples of how to read the input ports via interrupts (rather than periodically polling for values), especially for the newer versions of the PiFace python libraries. After a little research, here's some simple code that will print out pin names as you press the input buttons. Button 3 will cause the code to exit:
  in Hus & Hem > Home Automation > Raspberry Pi with interrupts piface polling raspberry

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