On Friday 28 December 2012 02:35:12 Roland Jollivet did opine: > On 28 December 2012 05:05, Gene Heskett <ghesk...@wdtv.com> wrote: > > On Thursday 27 December 2012 22:00:41 Dave did opine: > > > Gene, I know you wanted to derive power from an RS232 port, but why > > > not do a port steal from a USB port. > > > > > > Plenty of ma at 5vdc regulated. > > > > > > Also, there are lots of TTL to USB and RS232 converters already > > > assembled on Ebay - very cheap. > > > > > > Dave > > > > Cheap until you check the shipping... :( > > > > I have now arrived at the conclusion that the pin I reserved for one > > of the homing switches is of far less utility than this, so since I > > never wired it up anyway, it will get re-purposed for this. But I > > need some slightly warmer weather before embarking on that project. > > > > Thanks Dave. > > > > Cheers, Gene > > -- > > Why don't you just open the case and bring a 5V wire out from the PSU > harness? If it's a long stretch, then use the 12V line and put a 7805 at > your end. > > Roland
I already have locally regulated 5 volts available on my terminal strips, so the 48" run to the device is not a huge problem. Thanks Roland. Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) My web page: <http://coyoteden.dyndns-free.com:85/gene> is up! Delta: We never make the same mistake three times. -- David Letterman I was taught to respect my elders, but its getting harder and harder to find any... ------------------------------------------------------------------------------ Master HTML5, CSS3, ASP.NET, MVC, AJAX, Knockout.js, Web API and much more. Get web development skills now with LearnDevNow - 350+ hours of step-by-step video tutorials by Microsoft MVPs and experts. SALE $99.99 this month only -- learn more at: http://p.sf.net/sfu/learnmore_122812 _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users