Adi Linden wrote: >Hi, > >I need to have a totally isolated serial port on my PC. Is it possible to >drive an optocoupler directly off the TX line on the RS-232 port on a PC? >Just wondering if there's enough drive for the optocoupler LED. I am >thinking about using a 4N35. > >Thanks, >Adi > >-- >http://www.piclist.com#nomail Going offline? Don't AutoReply us! >email listserv@mitvma.mit.edu with SET PICList DIGEST in the body > > > This should be no problem, as I recall many years ago I built a inline tester using Tri-Color LED's. -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu