Hi Koen, What is your 1-wire interface on the PC, especially Sheevaplug? john On Mon, Feb 8, 2010 at 1:39 PM, Koen Martens <gmc at sonologic.nl> wrote: > We're currently implementing a one-wire access control system, which > runs on arduino but also directly on a linux pc (or a sheevaplug, which is > what we're likely to be using).