There are also several kinds of "H" drivers on the market that can drive the pump based upon duty cycle which gives the same effect as current control, but with more torque available. Regards, Les H On Thu, 2008-09-11 at 21:02 +0000, g wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > aragonx@xxxxxxxxxx wrote: > <snip> > > I have that web site that outlines a solid state relay. Looks pretty easy > > even though it has been quite a few years since I've used a soldering gun. > > > > The pump however is a variable speed type. Vary the current and it will > > vary the speed. That is where I'm hung up. > > most all can be done with wire cutters and knife, very little soldering > for pump. depending on which approach you take 'coming out' of computer. > > there are 'card adapters' that plug eisa and pci. in/output is from > 8 to 24, then you can get 32 to 64. > > some cards a fixed input / output. some are command programmable. > > control is; 'switched voltage', 'dry contact', 'analog voltage' in/output. > > variable speed control for pump can be done several ways. > > as stated before, 'are you good enough'? > > can you write simple 'c'? scripts? > > > - -- > tc,hago. > > g > . > > in a free world without fences, who needs gates. > > learn linux: > 'Rute User's Tutorial and Exposition' http://rute.2038bug.com/index.html.gz > 'The Linux Documentation Project' http://www.tldp.org/ > 'HowtoForge' http://howtoforge.com/ > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.5 (GNU/Linux) > Comment: Using GnuPG with Red Hat - http://enigmail.mozdev.org > > iD8DBQFIyYdj+C4Bj9Rkw/wRAooKAJ9A39QEg1d6JwnL3IR8Izeu82avbACaAifz > 6CVJi4yeumWW8w6Jgb2/NyQ= > =MRD9 > -----END PGP SIGNATURE----- > -- fedora-list mailing list fedora-list@xxxxxxxxxx To unsubscribe: https://www.redhat.com/mailman/listinfo/fedora-list Guidelines: http://fedoraproject.org/wiki/Communicate/MailingListGuidelines
