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Open Circuits is a wiki for sharing open source electronics knowledge, schematics, board layouts, ports and parts libraries. This include open hardware Music Players, atomic microscopes, PC, PDA and mobile phones, and batteries. Please help us to build this resource by submitting your component descriptions, projects, techniques, and PCB footprints.
Projects
Components
Lists of components, where to purchase them, how to use them.
Techniques
How to do things.
PCB Footprints
Don't reinvent the wheel. Known working open PCB footprints for various components.