Electronic Resources

Sparkfun Learning
Adafruit Learning

These are the two of the best and most comprehensive sites on learning electronics online. They are vendors selling electronic parts for makers, schools, and industry.

The Hardware Book

List of Device Bit Rates

How to Use a Breadboard (Sparkfun)
Breadboard for Beginners (Adafruit)

How to Solder

How to Use a Multimeter (video: https://www.youtube.com/watch?v=SLkPtmnglOI)

How to Use an Oscilloscope

Doctronics Online Resources

Digilent Classroom (FPGA related)