Shades of using EPROMs as crude input devices ;-) -marc On 9/7/03 15:10, "Steve Smith" wrote: > A more simple soulition than sawing the top off :- > OC71 scrape the paint off and you have an OCP71 > > (maybe 30 years ago) > > Steve...... > > -----Original Message----- > From: pic microcontroller discussion list [mailto:PICLIST@MITVMA.MIT.EDU] On > Behalf Of Peter L. Peres > Sent: 09 July 2003 17:38 > To: PICLIST@MITVMA.MIT.EDU > Subject: Re: [EE]: Phototransistors (*holding my head in shame*) > > >>>> If it had two pins it would be called a photo diode... >>> >>> 2-pin phototransistors were more common than 3-pin in my experience. >> >> I concur with that...I've only ever dealt with the 2-pin variety >> before, which is why the 3-pin variety kinda had me wondering. > > Hehe. 3-pin phototransistors were the most common in hobbyist times because > that's what you set if you carefully saw off the top of a metal can > transistor like 2N2222 ;-) > > Peter > > -- > 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 > > -------------------------------------------------- Marc Nicholas Geekythings Inc. C/416.543.4896 UNIX, Database, Security and Networking Consulting -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body