source= http://www.piclist.com/piclist/2003/11/25/232357a.txt? rammerman says: > You'll still need some sort of VCO to convert the voltage at > Z into an output pulse train to drive the LED. > So why can't I just set it up so the output LED shines on both the input photo transistors? --- James Newton: PICList.com webmaster, former Admin #3 mailto:jamesnewton@piclist.com 1-619-652-0593 phone http://www.piclist.com/member/JMN-EFP-786 PIC/PICList FAQ: http://www.piclist.com -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body