A jouney with the Pi man - Day 2
Well - today we be mostly trying to control the world using a RaspberryPi :)
Well - not quite - I just wanted to be able to make an external LED go on and off via the GPIO and I've got there.
Lots of problems again - to summarise them :-
The GPIO pinouts that Google brings up are all over the place - trust none except what I say :)
Using the GPIO is restricted to root users so running Python from the menu will fail - you need to run it using sudo python.
The best article that gives you 99% of the info needed is Simple Guide to the RPi GPIO Header and Pins | Raspberry Pi Spy
All you need to know about the pinouts is that when python says GPIO.setup(11, GPIO.IN) that means the 11th pin on the connector marked P1 - TOTALLY IGNORE any of the confusion that lablels this as GPIO17 - ITS NOT AS FAR AS YOU ARE CONCERNED when programming in Python.
And of course don't forget to sudo Python :)
PS Of course there may be some more stuff later but I thought I'd better get this down before then beer kicks in!