Hello again, I did forget to mention in my previous post about DCC That some of the companies out there have developed a back EMF decoder that lets the user set the speed of the train and no matter what the hill is it tries to maintain that same speed, up hill, down hill and on the flat. > -----Original Message----- > From: owner-piclist@MITVMA.MIT.EDU > Sent: Monday, June 22, 1998 3:55 PM > To: PICLIST@MITVMA.MIT.EDU > Subject: Re: DC motor speed regulation > > > there are pic controlled trains for as small as 'N' scale > that I have seen > on the web. The pic receives the digital signal (Train id, > and speed) from a > signal on the track. there is a site www.tttrains.com that > has the specs and > if you do an www.altavista.com search for +pic +microchip > +train +hobby > there are many links to poke around. > > michael > > Kevin Orcutt Software Engineer Vickers E.S.D., Inc. 1151 W. Mason-Morrow Road Lebanon, OH 45036-9699 (513) 494-5752 - Phone (513) 494-5400 - Fax kevin.orcutt@vickers-systems.com (Work) kntorcutt@fuse.net (Home) #include // "It just doesn't Matter!"