Vecoven is a collection of pages where you can find information about hardware and software projects, amongst other things and it is always under evolution.¬†Frederic Vecoven’s personal projects and hobbies site allow to download the schematics diagram of each project that they shared on their site. The owner of this site has two master’s degrees, one in Computer Science, and one in Electrical Engineering. Check this site and download circuits and schematics diagram from this site