Tobias Krieger wrote: > This would be a nice and fast solution, but unfortunatelly, it's like > that the C programm needs to surveilance the hardware all the time > (controlling values,...) hence, it would run more as a "daemon". > Depending your skill-levels with C, there is not much to it. Here is some fairly simple code I use for a daemon that controls an IOM142 (google it) board via the serial port. http://jessen.ch/files/fridged.tar.gz It's very much "send two-byte command", then "receive multi-byte response", but it also responds to simple http-style requests and I call it from php to produce this page: http://jessen.ch/refrigeration/ (in dire need up an update). /Per -- Per Jessen, Zürich (14.4°C) -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php