Anyone getting started in the “land of micro-controllers” will notice that there are countless different types. Even among certain platforms, there are many variations based on tasks and conditions. This is true too in the land of the Arduino platform.
Landon Cox, recently wrote up a good introduction to the Arduino platform and a comprehensive list of the *duino variants. It’s a good list along with a brief synopsis of what’s available out there.
Read Landon Cox’s article in OpenLogic: