On 14 September 2012 11:11, Jacques Legalland <legall...@hotmail.com> wrote: > Hi Adam, > > First idea : > the MAX323 board uses a MAX3232 IC. This IC doesn't respect exactly the > RS232 voltage (+12v, -12v), but only +5v, -5v (See the attached datasheet). > Maybe, this is not enough for the GPSnav which is supplied with 12v. > If you have an oscilloscope, you can see on pin 2 & 3 of DB9 if the GPSnav > exchanges with IOIO. >
I couldn't find the attached datasheet, but I reckon it may be talking about one of the other MAX chips? ------------------------------------------------------------------------------ Got visibility? Most devs has no idea what their production app looks like. Find out how fast your code is with AppDynamics Lite. http://ad.doubleclick.net/clk;262219671;13503038;y? http://info.appdynamics.com/FreeJavaPerformanceDownload.html _______________________________________________ Xcsoar-user mailing list Xcsoar-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/xcsoar-user
