HEATKEYS

The Department of Electrical and Computer Engineering at Carnegie Mellon University is recognized worldwide for its undergraduate and graduate programs, as well as cutting-edge research.

Texas Instruments (TI) is a global analog and digital semiconductor IC design and manufacturing company.

International Electronic Discussion Forum: EDA software, circuits, schematics, books, theory, papers, asic, pld, 8051, DSP, Network, RF, Analog Design, PCB, Service Manuals

This blog includes innovative circuit schematics which can be built at home by the interested electronic enthusiasts. Designed by Swagatam

Electronic Design, a web site and print magazine for electronic design engineers and engineering management.

Free electronic circuit diagram (schematic diagram) collection, electronic design, video tutorial, great for hobby or do-it-yourself (DIY) project.

HeadWize is a non-commercial site specializing in headphones and headphone listening.

Free source of SPICE circuit files and tutorials for the hands-on learning of electronics through the SPICE simulator. Also inlcudes SPICE basics and a command summary. Links to free demo versions.

Electronic Ciruits portal of free electronic circuits, schematics, designs, or diagrams & other resources for engineers, inventors & students.