HEATKEYS

The American Radio Relay League (ARRL) is the national association for amateur radio, connecting to hams around the U.S. with news, information and resources.

YouTube is a place to discover, watch, upload and share videos.

The University of San Diego is a Catholic university, committed to preparing compassionate and ethical leaders, and offering programs in liberal arts, business administration, education, law, nursing, and engineering.

Electrical Engineering Community for hardware designers with design tools, projects, articles, jobs, events, discussions, and social networking.

A community dedicated to helping everyone learn the art of audio. Projects by fanatics, for fanatics!

Learn how to do just about everything at eHow. Expert Village is now a part of eHow, adding expert How To videos to eHow, the world

PCB Heaven! Electronic theory, schematic circuits and PIC tutorials

Analog Devices, Analog, Semiconductors, Digital Signal Processing, World leader in high performance signal processing solutions. Offers ICs for data converters, amplifiers, DSP, RF & communications, power and thermal management, supervisory and i...

Schematic diagrams, circuits & projects for guitar effects pedals with vacuum tubes and transistor solid state electronics. FREE downloads of schematics such as TS-9, Fuzz Face and other classic rock devices. Build your own fuzz box!

Electronic Schematics for Hobbyists - The source of free FM transmitter related schematics, circuits, diagrams, projects, pcbs and tutorials.