if you really want to learn more about embedded device programming, you should start digging deeper. Arduino library can only give you that much, it is not even

if you really want to learn more about embedded device programming, you should start digging deeper. Arduino library can only give you that much, it is not even remotely interesting to for your robot development in the future. I would recommend reading avr libc and see how much you could learn to do to make your robot cool :) Here is the project I'm working on (it works on arduino as well): https://github.com/wukong-m2m/NanoKong https://github.com/wukong-m2m/NanoKong