my 2 cents from the manual $ man gpio edge This exports a GPIO pin in the /sys/class/gpio directory, set the direction to input and set the edge interrupt method to none, rising, falling or both. Use like the export command above and note that BCM_GPIO pin number is used not not wiringPi pin ...

The last dimmer looks very nice indeed! thanks to Thinkpad for the frontpage and all the ppl who are helping and creating ideas i cant find how to embed the weather prediction images ., i can make a python script that i hook to a dummy switch but there must be a easier way to read and display the ...