Electronics

Information

ARRL Technical Information Service
B&B Electronics Data comm protocols incl RS485
Battery University
Discover Circuits
UofW EE Stores

E-Ham.net Forum for amateur radio, lots of reviews

Tutorials

Op Amp Electronics basics of electronics
US Navy Training Course
WEB EE
Williamson Labs 90 tutorials

Electronics Suppliers

All Elecronics * surplus
B&B Electronics Serial and Data communications
Digi-Key * distributor
Jameco surplus
Jaycar kits
Mouser distributor
Marlin P Jones & Associates surplus, test equip
MCM Electronics repair & retrofit
Ocean State Electronics
Q Kits * kits
PAiA musical instrument kits
Radio Shack
Ramsey Electronics kits
Sparkfun Electronics * sensors, gps modules
Velleman Kits kits and components

• my personal favorites

Amateur radio

AES
Tower Electronics Connectors and adapters
Universal radio

A few books

The Art of Electronics, Horowitz and Hill
Mechatronics
Op Amps, Fredrick Hughes
Circuitbuilding for Dummies, H Ward Silver