On Thursday 10 April 2003 09:41 am, John Nall wrote: > A friend (?) has given me a bag of about a 100 seven-segment LED's > which he said he found while cleaning out his workshop. He doesn't > know what they are and says that they probably date back to the mid > 1980's sometime. :-( > > I'd like to be able to use them in miscellaneous projects if I can > identify which pins are which. I can try trial and error, since > there are a lot of them, but thought I would take a chance and see > if someone on this list might be able to point me to a datasheet, > or something like that. > > They are 3/4" high by 3/8" wide, red in color. They are in the > shape of a 14-pin IC. Looking into the face, there are two > indentations at the bottom and a single indentation at the top, > with a dimple at the top left (probably to identify pin 1). > Assuming this is pin 1, then there is a pin 1, 2, 3 and 4. No pin > 5. Pin 6 and 7. Continuing to the othe side, there is pin 8, 9, > 10. No pin 11, no pin 12. Pins 13 and 14. Does this help? Remember that it could be either common anode or common cathode... http://www.iguanalabs.com/7segment.htm -- Ned Konz http://bike-nomad.com GPG key ID: BEEA7EFE -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body