The Raspberry Pi GPIO(General Purpose Input Output) module is already installed by default in Raspbian Operating System. Just to make it sure that it is at the latest version. just follow the instructions below.
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Installing the later development version from the project source code library below are the steps to install.
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To revert back the installation to default version on Rasbin
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On other Linux distributions installation you need to install Raspberry Pi GPIO using PIP UTILITY as superuser or root system privilege.
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Setup and Installation of Raspberry Pi GPIO on Raspbian
