Links

Site	Description	Category
Bitsavers	Original Software, Computing, Communications, Components, Magazine, and Test Equipment document archives.	Reference & Tools
DiscoverCircuits	Electronic Circuits portal of free electronic circuits, schematics, designs, or diagrams & other resources	Reference & Tools
Electronics-Lab	Projects, Software, Forums	Reference & Tools
Falstad Circuit Simulator	Electronic Circuit Simulator	Reference & Tools
Instructables	Instructables is a community for people who like to make things.	Open Source Projects
Schematics For Free	Collection of more than 6000 electronic circuits and schematics in 550 categories. Circuits and/or links added regularly.	Reference & Tools