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By default the header Pin Nr. 7 us used by the 1-wire kernel module.
I would like to change it to a one of the 4 new GPIO Pins of an Rev 2 Pi.
To change the default GPIO pin used for 1-wire communication you can edit the /boot/config.txt file and add this line:
where x is the GPIO pin you want to use. Reboot to see the change.
it must be exactly as indicated, without any space between parameters and values in the command
As written above in /boot/config.txt
Required, but never shown