Scratch Sensor Board needs access to TTYUSB*

[C. Scott Ananian]

On Thu, Sep 11, 2008 at 5:50 PM, John Maloney <jmaloney at media.mit.edu> wrote:
> To use the Scratch Sensor Board or Pico Sensor Board
> (http://scratch.wik.is/Support/Sensor_Boards), you must add a file to the
> folder:
>
> /etc/udev/rules.d
>
> This file should contain the single line:
>
> KERNEL=="ttyUSB*", MODE="0666"
>
> Adding this file allows Scratch to read and write data to the sensor board.
> You will need to make yourself root using the "su" command in order to add a
> file to that folder.

Isn't the traditional thing to have the tty* devices owned by the
serial group (uucp or dialout group if you're a real old-timer) and
then set certain users to be members of that group?  It seems like you
really want scratch's UID to be a member of the 'serial' group.
Michael?
 --scott

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