Electronic circuits (schematics) & do-it-yourself (DIY) circuit diagrams, for hobbyists, students, professionals etc. covering a wide range of categories in electronics like audio, music,home/garden related,computer hardware,radio,robotics etc to name a few.
There are also links to sites that offer hobby electronic kits and other electronics hobby related stuff. Use the menu on the left to browse different circuit categories. You can view the entire electronic circuit schematics