Things you can do to prepare for Contextual Electronics before ever signing up for the course.
YouTube channels to watch:
* https://www.youtube.com/user/vk2zay
* https://www.youtube.com/user/jeriellsworth
* https://www.youtube.com/user/w2aew
* https://www.youtube.com/user/EEVblog
* https://www.youtube.com/user/bkraz333
* https://www.youtube.com/user/mjlorton
* https://www.youtube.com/user/Afrotechmods
Online tutorials to check out (for Arduino and more):
* http://opensourcehardwaregroup.com/arduino-tutorials/
* http://learn.adafruit.com
* http://learn.sparkfun.com
Books to check out:
* http://www.amazon.com/Art-Electronics-Paul-Horowitz/dp/0521370957/
* http://www.amazon.com/Electronics-Ground-Up-Designing-Inventing/dp/0071837280/
* http://www.amazon.com/Make-Electronics-Discovery-Charles-Platt/dp/0596153740/
* http://www.amazon.com/s/field-keywords=forrest%20mims