Also see: News Groups
All About Circuits Electronics Forum
Circuit Digest Electronics Forum
DipTrace & Bay Area Circuits PCB Creator Forum
EEVblog Electronics Community Forum
EDAboard.com, International Electronics Forum Center
Numerical Innovations CAM Software Forums
Nuts & Volts and SERVO Magazine Forum
PCB Heaven Electronics Workbench Forums Page
Reddit Printed Circuit Board Page
SMTnet Printed Circuit Board Assembly & PCB Design Forum
Stack Exchange Electrical Engineering
Trossen Robotics Community Forum