If you wanna go real crazy, take a look at these:
en.wikipedia.org/wiki/Cypress_PSoC
They have integrated hardware, so they are great for all sorts of electronics projects. A bit more towards electrical engineering than raspberry pi though.

If you wanna go real crazy, take a look at these:
en.wikipedia.org/wiki/Cypress_PSoC
They have integrated hardware, so they are great for all sorts of electronics projects. A bit more towards electrical engineering than raspberry pi though.