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Check the RPi.GPIO

If you are a Python user, you can program GPIOs with API provided by RPi.GPIO.

RPi.GPIO is a module to control Raspberry Pi GPIO channels. This package provides a class to control the GPIO on a Raspberry Pi. For examples and documents, visit: http://sourceforge.net/p/raspberry-gpio-python/wiki/Home/.

Test whether RPi.GPIO is installed or not, type in python:

python
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In Python CLI, input import RPi.GPIO, If no error prompts, it means RPi.GPIO is installed.

import RPi.GPIO
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If you want to quit python CLI, type in:

exit()
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