Boarduino+Nunchuk+Servo Todbot project

I just found this awesome project by the Arduino-expert Todbot, where he used this info (code to make Arduino get Nunchuk data) to make a sort of arrow-balancing thing (kinda weird name, but that's all I could think about as a name) where a plastic arrow attached to a servo always points upward by following the nunchuk accelerometer data:

Here's the post, with a video, too!