Recommended · for beginners
SparkFun According to Pete 3-5-12: Mosfets
Why people recommend it
Pete from SparkFun gives a relaxed overview of MOSFETs and why they suit switching loads from a microcontroller.
Watch for: Pairs well with the companion transistor video
In their words
This point is explained in greater detail in the video SparkFun According to Pete 3-5-12: Mosfets, starting at 16:16
hlovdal on electronics.stackexchange.com, Feb 2015. CC BY-SA.