http://www.raspberrypi.org/ This UK based tech company seeks to provide children of all ages and backgrounds with cheap, quality computers in hopes of educating kids in computer programming. For around 25$, educators can purchase a kit that includes the credit card sized computer, and simple how to assembly instructions. This allows kids to gain familiarity with how computers work, as well as how they are programmed.
http://learn.adafruit.com/ Adafruit is an online learning place where educators and makers can find articles, videos, tools and lessons that are centered on learning electronics.
https://learn.sparkfun.com/curriculum Sparkfun.com provides makers and educators with the foundation and tools required for them to be successful in the electronic and tech world. The site provides beginner, intermediate, and advanced tutorials, presentations, code, and curriculum guides that cover a wide array of DIY education.