The HAL one-shot component can do that very easily. "man oneshot" from the command line should get you the documentation.
On Sun, Nov 11, 2012, at 08:52 PM, N. Christopher Perry wrote: > A 1 s pulse, +/-0.25 s, with +/-0.25 s timing accuracy would be adequate. > > N.C. > > On 2012-Nov-11, at 20:09, John Kasunich wrote: > > > On Sun, Nov 11, 2012, at 07:44 PM, N. Christopher Perry wrote: > >> Is there a way to have a parallel port output generate a single pulse on > >> command? I have a vacuum system that requires a pulse to turn it on/off, > >> and would like to have my machine turn the vacuum on automatically. > > > > How long of a pulse? How precise does the length need to be? > > > > HAL has a one-shot component, that generates a pulse its > > input signal changes state. Might do what you need. > > > > > > John Kasunich > > jmkasun...@fastmail.fm > > > > ------------------------------------------------------------------------------ > > Everyone hates slow websites. So do we. > > Make your web apps faster with AppDynamics > > Download AppDynamics Lite for free today: > > http://p.sf.net/sfu/appdyn_d2d_nov > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > ------------------------------------------------------------------------------ > Everyone hates slow websites. So do we. > Make your web apps faster with AppDynamics > Download AppDynamics Lite for free today: > http://p.sf.net/sfu/appdyn_d2d_nov > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users -- John Kasunich jmkasun...@fastmail.fm ------------------------------------------------------------------------------ Everyone hates slow websites. So do we. Make your web apps faster with AppDynamics Download AppDynamics Lite for free today: http://p.sf.net/sfu/appdyn_d2d_nov _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users
