The links appear to be broken...must be a typo in there somewhere. Kris At 11:42 AM 6/26/00, you wrote: > > Hi All, > > I have seen somewhere a circuit for how to connect standard > > 5v output ports to RS232 serial port of a PC using a couple > > of diodes... but can't find it again. > > > > Anyone point me in the right direction please? > >http://www.xs4all.nl/~/wouter/pic/wisp >http://www.xs4all.nl/~/wouter/pic/wloader > >Note: such circuits are non-inverting, so they can NOT be used with for >instance the f877 hardware uart! > >(I'm sure there are plenty other such circuits) >Wouter