AWG Wire Chart
Acronyms & Abbreviations
Cable Pin-outs - Pin-outs for almost every type of industry standard cable including, RJ45, RS2332, PS/2, VGA, Crossover Cables, Null Modems, Apple Products, Joysticks & many, many more.
Capacitor Codes
Common Schematic Symbols - Commonly used electronic schematic symbols
Data Communications Cables FAQ
Don Klipstein's Lighting Info Site
Electrical Circuit Formulae - Calculations for Capacitance,Inductance,Resistance,Time Constant and Many more
Electrical Circuit Theorems - Ohms Law, Kirchoffs Laws, Thevenins Theorem, Nortons Theorem, Superposition and Many more
Electrical Machine Applications - Calculations for Syncronous Speeds,Efficiency,Transformers and Many more
Electrical Systems Formulae - Calculations for 3 Phase Power,Complex Resonance,Reactance and Many more
Embedded Systems Glossary
Frequency Spectrum Chart - Spectrum of Frequencies from O Hz to Gamma Rays
Industrial Community EE discussion board - This site has a nice array of various topics of interest for ee's with forums for each.
MOS Capacitor
MOSFET
Modem AT Commands
RS-232 Serial Communication - Complete Information on RS232 Including Pin Out, Description for all signal lines (CTS, DTR, etc.), terminology, and development history
Radio Electronics.com
Resistor Color Codes
Semiconductor Fundamentals
Technick.net - Tons of hardware information and more.
Telecommunications Technical Fundamentals
The Bipolar Transistor
Transistor & Diode Marking - Detailed description of JEDEC, JIS and Pro Electron component marking.
p-n diode