On 12/27/2012 5:50 PM, Gene Heskett wrote: > Greetings; > > I have now spent several hours doing google searches, looking for a chip > that would be the reverse of a max232, so I can power this ttl based > sparkfun thing from what is available from the serial port. There appear > to be hundreds of variations on how to get from 5 or 3.3 volt powered > motherboards to a serial ports voltages, but nothing to reverse that short > of find an old ball mouse at a flea market and stealing the chip out of it. > > Unforch, I have attempted to look some of those chips up if they were > marked, with zero luck. Most of that stuff was never a JEDEC registered > chip design it seems. > > Am I going to need to invent what should be just another wheel? Any chance > there is a ttl level serial port on a header someplace on the D525MW > boards? > > Cheers, Gene Sorry, Gene, I've lost the bubble. What is the Sparkfun thingy you are working with? I'm looking at their website but your description over the last few messages don't get me to a specific product.
Since the max232 is a bidirectional device, I would have thought it would suit what I thought you are trying to do. So maybe I don't understand what you are trying to do. Regards, Kent ------------------------------------------------------------------------------ Master Visual Studio, SharePoint, SQL, ASP.NET, C# 2012, HTML5, CSS, MVC, Windows 8 Apps, JavaScript and much more. Keep your skills current with LearnDevNow - 3,200 step-by-step video tutorials by Microsoft MVPs and experts. ON SALE this month only -- learn more at: http://p.sf.net/sfu/learnmore_122712 _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
