RPi.GPIO is usually pre-installed on Raspbian (Version 0.6.2~jessie-1): http://sourceforge.net/p/raspberry-gpio-python/wiki/BasicUsage sudo apt-get install python3-rpi.gpio Tkinter (Version 3.4.2-1): https://wiki.python.org/moin/TkInter sudo apt-get install python3-tk wiringpi2 (Version 2.32.2): http://wiringpi.com sudo pip-3.2 install wiringpi2 minicom (Version 2.7-1): http://linux.die.net/man/1/minicom sudo apt-get install minicom pyserial (Version 2.6): http://pyserial.sourceforge.net sudo pip-3.2 install pyserial pyusb (Version 1.0.0): https://github.com/walac/pyusb sudo pip-3.2 install pyusb