A website dedicated to all electronic hobbyists where you can find electronic schematics,
projects, software and tutorials.
Identifying Delco Cassette Mechanisms

Professional Grade Serveillance Schematics and Circuits – This guy invented many of the intelligence gathering devices in use today.

Here are more free schematics sites:

Here are a bunch of links sent to me in February 2004 by TK in Hungary. I have not checked all of them but the ones I checked do work. Some are in languages other than English but then, schematic symbols and numbers are a universal language. Cope with it.$$Search?OpenForm