schematics_485

Open Circuits

Open Circuits is a wiki for sharing electronics knowledge, schematics, board layouts, and parts libraries. Please help us to build this resource by submitting your component descriptions, projects, techniques, and PCB footprints.

http://www.opencircuits.com/Main_Page

Robot Room

A neat little site with David Cook's robotic projects documented, some with PCBs, schematics, and even a couple books he's written.

http://www.robotroom.com