To get started with your GPIO Xmas Tree for the Raspberry Pi, type the following at the command prompt: sudo python example_1.py You can then try the other examples: example_1.py : each LED on in turn example_2.py : several LEDs on at once example_3.py : one LED off each time, all the others on example_4.py : all LEDs flashing on and off simultaneously example_5.py : random LEDs example_bicolour : an example with the Kickstarter bicolour LED For bicolour example, make sure you edit tree.py and set bicolour_fitted to True. Please share your own code! Go to www.pocketmoneytronics.co.uk or follow us on Twitter @pocketmoneytron