ahendricks

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/home/pi/.rvm/gems/ruby-2.2.1/gems/pi_piper-1.3.2/lib/pi_piper/pin.rb:23:in `close': Device or resource busy @ fptr_finalize - /sys/class/gpio/export (Errno::EBUSY)

PiPiper doesn't release (unexport) the pins for me at the end of my programs. To release the pin at the end of the script I do this, where 18 is...