Alan, Yes, I mean that. I've planned to do something similar to James but to serial port oriented. Regards, [OTps:] I can't figured out what lost us that match (Ireland16-Argentina15). I wish I had been at pub just to see the Irish party. From: "Alan B. Pearce" To: Sent: Monday, October 27, 2003 7:55 AM Subject: Re: [PIC:] safely driving a pic input from a PC Parallel port. > >Dennis Crawley says: "3.- 6n317 opto, VERY fast!" > > I think he means the 6N137, which is a Darlington transistor output. > > However I prefer the HCPL2300 which has an internal opto receiver, and comes > out as an open collector digital signal, with a 1k pull up resistor > available for connection. Requires 5V supply for the receiver side, and is a > heap faster than the 6N137. Both devices are Agilent ones. > > -- > http://www.piclist.com#nomail Going offline? Don't AutoReply us! > email listserv@mitvma.mit.edu with SET PICList DIGEST in the body -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body