Electronics Resources
On-Line References
wikipedia.org Has a wide variety on information on electronics. For Example:
Geoff Martin's Audio Textbook
(Audio Electronics Section).
Tony R. Kuphaldt's comprehensive set of pdf formatted electronics textbooks.
Electrical Engineering Training Series - a comprehensive series of online textbooks in
electrical engineering. See the Solid-State Devices and Power Supplies section for a tutorial on diode and transistor
function and circuits.
Resistor Color Codes
Analog to Digital Conversion Tutorial - Note the ADC on the Atmel processors are the successive approximation type.
On-Line Tools
The Electronics Calculator - Handy calculator for Ohm's law,
filter frequency responses etc....
Resistor Color Code Calculator