IO Pin Control – General

Permissions

Any program that accesses the GPIO pins must be run as root, so if you get an error, remember to “sudo” your command or run your application as root.

To avoid this the GPIO pins have to be exported and have their ownership changed appropriately:

http://quick2wire.com/2012/05/safe-controlled-access-to-gpio-on-the-raspberry-pi/

Please feel free to comment if you can add help to this page or point out issues and solutions you have found, but please note that we do not provide support on this site. If you need help with a problem please use one of the many online forums.
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