[arm-allstar] RPi2 gpio command

[Doug Crompton]

With the inquiries lately about GPIO I wrote a document on the 'gpio' command available on the RPi2 v1.0 release. It is in the how-to section of hamvoip.org

Direct link -

http://www.crompton.com/hamradio/BeagleBoneBlackAllstar/GPIO_how-to.pdf
73 Doug
WA3DSP
http://www.crompton.com/hamradio
 		 	   		  
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