Strongly recommended · for beginners
Tutorial 01 for Arduino: Getting Acquainted with Arduino
Why people recommend it
Widely cited as the place to start with Arduino, a tutorial series that explains the electrical basics alongside the code.
Watch for: First episode of a longer series; follow it in order
In their words
Jeremy Blum also did a 10-part YouTube series on the basics of working with Arduino that I found extremely informative, if a little slow-paced at times (but never lacking in detail).
Jared Harley on electronics.stackexchange.com, Mar 2011. CC BY-SA.
